FirstEnergy's Pennsylvania Default Service Program

Load Data

DAT 00007 (revised 10/01/2018)
Published On: 12/21/2012

Question: Can you explain the jump in migration in the Penelec Commercial Customer Class in January 2011 (migration went from 10% to 35% in that one month)? Was there a PUC mandate, or expiring contracts, or some other factor that induced customers to switch during that time period?

Answer: Generation Rate Caps ended on 12/31/2010, and rates associated with the Default Service that started 1/1/2011 reflected market-based pricing.  Commercial customer shopping increased during this time period.

DAT 00009 (revised 11/06/2014)
Published On: 12/27/2012

Question: The historical load data are unadjusted for Unaccounted for Energy (UFE) and deration. Therefore, to determine the amount that a Default Service supplier must deliver and gets paid for (which are equal) in the historical data, you first add the load ratio portion of UFE to each class, and then scale that number by the deration factor. This represents a Default Service supplier's obligation and volume that will be paid on. Is this correct?

Answer: Effective June 1, 2015, in accordance with the PA PUC orders in P2013-2391368, P2013-2391372, P2013-2391375 and P2013-2391378, the PA utilities will be responsible for total UFE and no longer allocate UFE to LSE loads.  A Default Service supplier should no longer add the load ratio portion of UFE to each class’ historical load data to determine its amount of load delivered. Simply apply the deration factor to the historical hourly class loads (which include T&D losses and exclude UFE) to determine energy volumes for delivery and payment.

DAT 00010 (revised 11/06/2014)
Published On: 12/27/2012

Question: Could you confirm if the following statements regarding final settlement load are correct: "(1) Unaccounted for Energy (UFE) load needs to be allocated to historical load for each customer class before the load can be correctly de-rated. (2) The adjusted load with UFE needs to de-rated."

Answer: See FAQ DATA 00009.

DAT 00012
Published On: 01/08/2013

Question: We have adjusted the Peak Load Contribution (PLC) data provided for each Company on the Auction Information Website with the Daily Zonal Scaling Factors also provided. When we compare our adjusted PLCs to those published by PJM for each Company they do not reconcile. If 100% of the customers are on Default Service, these two numbers should be very close. Why does this occur and how can we reconcile these numbers?

Answer: The load data posted on the PJM Website include wholesale load, which is not included in the Default Service load used in this procurement.

DAT 00013
Published On: 01/10/2013

Question: In the Shopping Statistics data file, the implied number of total (shopping plus non-shopping) customers for the Commercial customers and Industrial customers increases substantially, from ~95,563 and ~129 respectively as of April 1, 2012, to ~114,986 and ~624 respectively as of July 1, 2012, using the provided %'s and number of customers served by an AS. Is this in fact correct, and if so, could you perhaps explain why this is occurring?

Answer: The July 1, 2012 statistics for West Penn Power Commercial and Industrial customers reflect the integration of West Penn Power with its sister FirstEnergy PA utilities following the Allegheny Energy/FirstEnergy merger.  The statistics now are reported from the same FirstEnergy systems and on the same basis as Met-Ed, Penn Power, and Penelec.  The Commercial statistics represent the combination of Types 20 and 30 and now include street light counts, which are reflected in increased total counts.  The Industrial statistics include Type 40, including Schedule 30 Large (greater than 500 kW), which is reflected in the increased in customer counts.

DAT 00014
Published On: 01/11/2013

Question: In the load data files provided for each zone, does the load make up the entire zone or are there additional loads within each load not included in the load data?

Answer: The load data files make up the entire retail load in each zone.  The load attributable to the wholesale munis and coops served within each zone are not included.

DAT 00015 (revised 09/21/2016)
Published On: 01/11/2013

Question: In the provided hourly load data files, the data are broken up between residential, small commercial, and large commercial. The descriptions do not directly correlate with the data definitions provided in the "Data_Description_Document.pdf". Can you provide what rate schedules make up the small commercial data as well as the large commercial data, or explicitly state what customer class the data series correlate with in the data description document?

Answer: The small commercial and large commercial nomenclature appears only in the Penn Power hourly load profile data file.  This small commercial data align with Penn Power Commercial in Section II B of the Data Description document, and large commercial data align with the Penn Power Industrial in the Data Description document.  This has been revised to alleviate any further confusion.

DAT 00018 (revised 11/06/2014)
Published On: 02/05/2013

Question: When do the Companies plan to update the Hourly Load Data, Hourly UFE Data, and Historical Daily Capacity and Transmission Obligations?

Answer: The Historical Daily Capacity and Transmission Obligations are updated the last business day of each month.  The Hourly Load Data and Hourly UFE Data are updated the first week of each calendar month.

DAT 00019 (revised 07/07/2014)
Published On: 02/05/2013

Question: Will the Companies be able to provide forecasted Capacity Obligations by customer type for the current Procurement month?

Answer: No.  The Companies do not forecast Capacity Peak Load Contributions ('PLC').  As noted in the Data Description Document (, these data are provided on an historical basis.

DAT 00021 (revised 07/08/2014)
Published On: 02/15/2013

Question: Can you please provide the expected Daily Zonal Scaling Factors for the upcoming Planning Year for each zone?

Answer: The forecasted Daily Zonal Scaling Factors will not be posted as the factor is calculated based upon the Capacity Peak Load Contributions which the Companies do not forecast.

DAT 00023 (revised 02/10/2016)
Published On: 06/25/2013

Question: How often are the Daily Zonal Scaling Factors updated on the FE-PA Auction Information Website?

Answer: The Daily Zonal Scaling Factors are updated on the first business day of each month on the FE-PA Auction Information Website.

DAT 00024
Published On: 07/15/2013

Question: It is my understanding that the PLCs that FirstEnergy submits to PJM have already been scaled by the Daily Zonal Scaling Factors provided in the Data Room. Therefore, PJM’s Zonal Scaling Factors as posted in PJM’s eRPM eSuite are equal to one. However, when I take the 5/31/2013 PENELEC Commercial Capacity PLS value posted on the FEPA Auction Load and Other Data page ( of 275.093 MW and multiply that value by the 5/31/2013 PENELEC Daily Zonal Scaling Factor of 89.781%, I get a value of 247.708 MW. Using our share of the PENELEC commercial load on 5/31/2013, the computed PLC is not equal to the value posted in eRPM for 5/31/2013. Is there another daily factor that is applied to the PLC outside of the Daily Zonal Scaling Factor prior to uploading the values to PJM?

Answer: The PLCs submitted to PJM already have been scaled by the Daily Zonal Scaling Factors as provided in the Data Room.  Please note that the raw PLC values posted in the Data Room when scaled may not match those posted to PJM eRPM because they are created on a monthly basis after the fact.  The Data Room data are not intended, nor should they be used, to verify or validate the values posted to PJM.

DAT 00025
Published On: 07/29/2013

Question: How are the daily zonal scaling factors that are provided in the FEPA data room calculated?

Answer: The DZSF (Daily Zonal Scaling Factor) is calculated by dividing the retail zonal load by the sum of the LSEs PLC values on a daily basis.

DAT 00026 (revised 01/18/2017)
Published On: 12/11/2013

Question: The Met-Ed file containing Daily Zonal Scaling Factors for Network Transmission Service Peak Loads (“NSPLs”) begins with data from 12/1/2012. Are there historical data available prior to this date? Also, can you explain the significant difference between the factor on 12/31/2012 and on 1/1/2013?

Answer: We added the NSPL daily zonal scaling factors to the load data postings starting December 2012.  We are unable to create these data historically.  The significant difference in NSPL Daily Zonal Scaling factors between December 31 and January 1 is due to newly assigned NSPL tickets , as well as a new PJM zonal NSPL target, that are effective each January 1.

DAT 00027 (revised 09/21/2016)
Published On: 12/27/2013

Question: Within the Unaccounted for Energy (UFE) data file, the UFE Factor starts to be published 06/01/2011. Please explain how those factors are calculated.

Answer: Unaccounted for Energy (UFE) represents the hourly Mega-Watt (“MW”) variance between the Companies’ total retail hourly energy (system load) and the sum of (i) the estimated hourly customer loads (both interval metered and profiled) and (ii) associated electrical losses.  The hourly UFE values are in Eastern Prevailing Time (EPT).  See section E of the Data Description Document,  Also see FAQ DATA 00009.

DAT 00031
Published On: 01/11/2014

Question: Can the Company share any background information as to the reason for the substantial increase in Reactive Services in the Penelec Zone in 2013 and whether that is expected to continue in the future?

Answer: Explanation of changes in Reactive Services charges should be obtained from PJM.

DAT 00032
Published On: 01/11/2014

Question: Does the non-shopped residential data provided on the Website as "Capacity and Transmission PLC by Rate" include the Default Service peak load contribution (PLC) associated with load served by the 48-month round-the-clock fixed 50-MW energy-only block procured in January 2010?

Answer: Yes, the posted Capacity and Transmission data include the fixed block Default Service.

DAT 00033
Published On: 01/11/2014

Question: Does the non-shopped residential data provided on the Website as "Hourly Load by Class" include the Default Service load served by the 48-month round-the-clock fixed 50-MW energy-only block procured in January 2010?

Answer: Yes, the posted Hourly Load by Class data include the fixed block Default Service.

DAT 00035
Published On: 01/11/2014

Question: In the historical peak load contribution (PLC) file, the December 31st PLC value for West Penn Residential Default Service customers is 1,088.9 MW. However, the projected Planning Year (PY) 2014-2015 PLC for West Penn Residential Default Service is 910.6 MW. This reflects a decrease of approximately 16% in year-over-year PY PLC values. Can you confirm that this decrease in PY 2014-2015 PLCs relative to PY 2013-2014 PLCs for West Penn Residential Default Service customers is accurate?

Answer: The 2014 PLC snapshot is not a projected value.  It is simply a snapshot of the new 2014 PLC tickets as assigned to the current Residential population.  The decrease is due to the recalculation of new PLCs based on new peak days and an updated zonal target.

DAT 00036 (revised 09/21/2016)
Published On: 01/11/2014

Question: For each EDC how many Default Service customers have enrolled in the Standard Offer Referral Program since its inception?

Answer: This information is posted at under Shopping Statistics.

DAT 00041 (revised 11/04/2015)
Published On: 10/30/2014

Question: Regarding the new hourly load data posted for West Penn Power, and specifically with respect to the reclassification of the Commercial and Industrial load classes, can you explain why the total load for the zone has changed in many periods? For example: between the WPP_Hrly_Data.xls file available on the Information Website on 9/8/14 and the same file available 10/22/14, the New Industrial column does not explain all the load data differences for HE3-10 in every day of October 2013. In months prior to this there are many periods that also have changes that are not explained by the New Industrial column. Specifically, the very first data point provided, 6/1/13 Hour 1, on 9/8/14 the total eligible load was 2,007,856 and on 10/22/14 the total eligible load was 1,994,476. Non-Shopped Commercial was 185,639 on 9/8/14 and became 180,660 on 10/22, but the Non-Shopped New Industrial load is only 3,459. Once these inconsistencies have been addressed, can you please provide additional historical data for the New Industrial sub-class, optimally starting 1/1/11?

Answer: Until the most recent file posting in October, there was a misclassification of on-peak vs. off-peak hours used in the previous data postings for the time period 6/1/13 through 9/30/13.  To be specific, loads were reported using on-peak losses hours 1 through 23 in error.  Additionally, for October 2013, load was represented incorrectly in hours 3 through 10 as a result of shifting hours forward; i.e., HE 4 should have been HE 3, etc.  With the creation of the New Industrial group, data were re-pulled and these misclassifications were diagnosed and corrected for the historical time periods of 6/1/13 through 10/31/13 in the latest procurement posting.  You will see a correction in total load for West Penn Power as a result of these adjustments.  This error correction impacted calculations specific to this Web posting only.

DAT 00043 (revised 01/18/2017)
Published On: 12/11/2014

Question: We looked at the historical load data in the online data room. For Penelec and Met-Ed, sometimes hourly load is significantly higher than for the previous hour and following hour. For example, in the Penelec hourly load data file, on 12/22/2013, hour 10, both shopped and non-shopped residential load is almost 3 times higher than the load in hour 9. The same load jump also is found for 9/5/2014-Hr12 and for some days in Sept 2010. The issue also exists in the Met-Ed load data (9/11/2013-Hr10). Is this a data error?

Answer: Residential loads, more so than commercial and industrial loads, are weather-sensitive and respond to temperature fluctuations.  9/5/2014 was one of PJM's five critical peak days in both Penelec and Met-Ed as energy demands were at their highest.  Temperatures were above normal this day, especially compared to other days during the summer, and residential loads responded in kind.  The data have been reviewed and are accurate.  Additionally, extreme weather conditions on 12/22/13 also would explain the residential load jump at hour 10.  When weather conditions are extreme, the customer class load diversity decreases significantly as many residential customers turn on their A/C or heat simultaneously, depending on the season.

DAT 00047 (revised 01/18/2017)
Published On: 01/08/2015

Question: Please confirm the TRANS PLS values are correct for Met-Ed. Specifically, there looks to be a significant drop in both the Shopped and Non-Shopped values on 1/1/2015 vs 12/31/2014.

Answer: Yes, the new Trans PLS values for Met-Ed as posted for 1/1/15 are correct.  Met-Ed's 2015 transmission peak target is 200 MW below the previous year's peak.  Additionally, please note that the provided Trans PLS values are not scaled and the Trans (NSPL) scaling factors must be applied.  The scaling factor for 1/1/2015 is somewhat higher than for 12/31/2014.

DAT 00048
Published On: 03/25/2015

Question: In reference to FAQ DATA 00009, can you confirm that the energy volumes that Default Service Suppliers are required to deliver and on which they will be paid effective June 1, 2015, are equal to the provided Hourly Load by Class data multiplied by [1 - (Hourly Deration Factor)]?

Answer: Yes, that is correct as described.

DAT 00052 (revised 11/04/2015)
Published On: 06/18/2015

Question: For Penn Power, the first hour in the load data file is missing. Can you confirm the load is in "Hour Ending" as the Data description document specifies, or if it is in "Hour Beginning"?

Answer: In the file, load data for hour 0 represents hourly load measured between 12:00 am EST and 1:00 am EST which is Hour Beginning EST.  The file has been reposted in Hour Ending EST to be consistent with the time convention language described in the Data Description Document.

DAT 00054
Published On: 06/19/2015

Question: The loss factors are provided by schedules, and without class information that gives us the make-up of each class, we cannot develop a properly weighted loss factor. Can you provide us with either the load data applicable by schedule or the applicable weighted loss factors for the different classes?

Answer: The load data posted on the Information Website are by class type with losses.  The purpose of the data specifically is to provide potential Default Service Suppliers with the information needed to competitively bid to serve non-shopped load available for Met-Ed, Penelec, Penn Power, and West Penn.  These are the data posted to PJM used for billing Default Service Providers and also used to create the EDC invoice to pay Suppliers for purchased power.  While we agree the class type load data do not provide the granularity needed to determine a weighted loss factor, we do not agree that there is a need to determine a weighted loss factor for each class type in order for Default Service Suppliers to competitively price this product since the aggregated load by class with losses is provided.

DAT 00055 (revised 07/24/2015)
Published On: 07/24/2015

Question: Where can I find the actual electrical load numbers (in megawatt-hours) for the previous auctions and future auctions?

Answer: All actual MWh information used for previous auctions and to be used for future auctions can be found here:  Under Hourly Load you will find the MWh data for each operating company by class type.

DAT 00056 (revised 09/21/2016)
Published On: 09/22/2015

Question: Where can information related to demand response add-back during the high 5 peak hours for the PJM Region be found?

Answer: Information on PJM add-backs (also referred to as Load Drop Estimates) can be found in the PJM's Website Manual 19, Load Forecasting and Analysis, in Section 4 and Attachment A: For the 2015 five (5) coincident peaks, West Penn Power had one add-back on 7/29/15 @ 1600 of 7.3 MW, and Met-Ed had three minimal add-backs on 7/28/15 @ 1600 of 0.2 MW; 7/29/15 @ 1600 of 0.6 MW; and 8/17/15 @ 1400 of 0.2 MW.

DAT 00057 (revised 12/03/2015)
Published On: 09/29/2015

Question: For West Penn Power load data, I noticed an increase in both shopping and non-shopping commercial load starting around 6/1/2015 (what looks like around 30 MW for non-shopping and 50 MW for shopping). Is there a reason for this, or is this an error in the data?

Answer: We verified the accuracy of the data.  When compared to June 2014 average loads, there was very little change in the commercial class year-over-year; less than a 1% decrease in commercial non-shopping load and about a 2% increase in commercial shopping load.  Seasonal changes may influence increased load patterns from month to month; May is generally considered a shoulder month with moderate swings in temperature and load usage versus June which is a warmer weather month with higher consumption.

DAT 00059
Published On: 10/09/2015

Question: For Penn Power small commercial/industrial (SCI) Default Service, PLC dropped about 10MW (~10%) in June 2015. What is the reason behind the drop in PLC during June 2015?

Answer: The posted peak load contribution (PLC) values are unscaled values.  Penn Power's actual load contribution to the 2014/2015 five coincident peak periods (5 CPs) was above target and the zone's actual load contributions to the 2015/2016 5 CPs were below target due to mild summer weather.  If the daily zonal scaling factor is applied to the posted PLC values for May 31 and June 1 (0.98 and 1.02, respectively), you will find that the scaled PLC values are in line.

DAT 00060 (revised 01/18/2017)
Published On: 11/04/2015

Question: Could you provide Network Transmission Service Peak Load (NSPL) values for all utilities and classes for 2016?

Answer: PJM published the 2016 NSPL values by zone on October 26, 2015. The NSPL values by operating company are provided below. The 2016 NSPL values by class will not be available until the end of this year.

Company NSPL (MW) Date Hour
Met-Ed 2,798.4 2/20/2015 0800
Penelec 3,024.3 2/19/2015 1900
Penn Power 983.3 7/29/2015 1600
West Penn Power 3,842.9 2/20/2015 0800

DAT 00062 (revised 11/30/2015)
Published On: 11/30/2015

Question: In order for a Default Service Supplier to estimate their capacity obligation, do they need to scale the hourly load data found in the data room by the reconciliation factors found here, for the applicable delivery year? Or has the hourly load data found in the data room already been scaled by these factors?

Answer: The reconciliation factors referred to are applied to a customer's metered load with losses to determine a customer's peak load contribution (PLC) value.  Applying these factors to the hourly data posted in the data room would estimate a PLC value not capacity obligation.  To determine capacity obligation, apply PJM's UCAP conversion factor and the daily zonal scaling factor to the class type PLC values.  Both the daily zonal scaling factor and the class type PLC values can be found in the data room  The PJM's UCAP conversion factor is the ratio of the respective zone's Final Zonal UCAP to the Base Zone WN Summer Peak.  These values can be found in PJM"s eRPM.  The UCAP conversion factor typically is around 15%.

DAT 00064
Published On: 01/19/2016

Question: In looking at the PLCs posted for PY 16/17 in FAQ DATA 00063, please clarify the following for West Penn Power. Specifically, the posted values in the FAQs imply that 64% of the WPP Commercial MWs have migrated away. In the posted PLC Excel file, the values imply that 59% of the WPP commercial MWs have migrated away as of 12/31/2015. Given that FAQ DATA 00063 states "The stated values do not take into account any migration taking place between January 1, 2016 and June 1, 2016", how do you explain the difference in the two calculated values above?

Answer: The Commercial class PLC values for PY 16/17 reflect the same population as the PLCs provided for 12/31/15. The fact that the shopping Commercial population’s PLCs are a higher percentage of the total commercial PLC for PY 16/17 is a reflection that this population’s load at the time of the PJM five 2015 summer peak hours used to determine PY 16/17 was higher than the non-shopping commercial customers. There is no customer migration taken into account.

DAT 00065 (revised 09/21/2016)
Published On: 01/19/2016

Question: The following question is in regards to the posted FAQ DATA 00057: We are seeing a year-over-year (Jun14-Sept14 to Jun15-Sept15) increase of approximately 11% when comparing eligible (shopped plus non-shopped) load for the West Penn Power Commercial class. When comparing June 2014 average loads to June 2015 average loads we are seeing an increase of 2% for Non-Shopped and 12% for shopped. Could you please confirm that the posted data are correct or provide an explanation for this increase?

Answer: We verified the accuracy of the data.  For June-September 2014, please include the hourly loads in the New Industrial column along with the Commercial column in order to compare against June-September 2015 Commercial loads.  By doing so, there is only a 4% increase in shopping Commercial load and a 2% decrease in non-shopping Commercial load.  The 4% increase in shopping Commercial load can be explained by migration of non-shopping Commercial customers and a moderate increase in load usage year over year.  The New Industrial column represents interval metered Commercial customers with demands between 400-500 kW that were expected to transition to the Industrial class as of 6/1/2015 with the introduction of new rate codes, but that never materialized and they reverted back to the Commercial class.

DAT 00066 (revised 09/21/2016)
Published On: 02/10/2016

Question: What is the size of the total load in the auction?

Answer: For the upcoming auctions, the tranche targets and approximate tranche sizes will be announced on the Information Website.  Additionally, load data can be found on the Information Website at

DAT 00070 (revised 01/18/2017)
Published On: 04/21/2016

Question: In the answer to question GEN 00060, you give the transmission loss factors. For example, Met-Ed is 0.021. Are these loss factors the same as the average duration factors for the zones? If so, over what period are they the average? If not, what is the source of the loss factor? Can they be found in published tariffs?

Answer: These transmission loss factors are from company loss studies.  These loss factors are provided in the PJM OATT Attachments M-1 and M-2.  They also can be found in the Company retail tariffs.  They do not reflect the PJM company zone deration factors, however the hourly deration factors are posted to this portal monthly.

DAT 00073
Published On: 09/14/2016

Question: West Penn Power hourly data are updated through 7/31/2016; will the utility provide an additional update? The files for the other three utilities are updated through 8/31 or 9/5.

Answer: The updated report will be posted by end of day today.

DAT 00074 (revised 09/26/2016)
Published On: 09/26/2016

Question: West Penn Power Hourly Data file has the following notes:
(1) Please note, starting June 1, 2013, Commercial has been redefined to exclude interval customers with demands of 400-500kW; loads previously associated with these customers have been subtracted from Commercial and are now reported in New Industrial.
(2) New Industrial represents interval metered customers with demands between 400-500 kW; loads were previously reported as Commercial, and as of 6/1/2015, qualifying loads will be classified as Industrial.

Contradicting the second note, on the FAQ Web page, DATA 00065 and 00069 both indicate that the 400-500 kW customers were never transitioned into Industrial class and will stay in Commercial class going forward (Data 00069: “The New Industrial column represents interval metered Commercial customers with demands between 400-500 kW that were expected to transition to the Industrial class as of 6/1/2015 with the introduction of new rate codes, but that never materialized and they reverted back to the Commercial class”).

So from what we understand, in the Hourly Data file, the 400-500 kW customer load is excluded from Commercial for 6/1/2013-5/31/2015 and is under New Industrial starting 6/1/2015, but this contradicts FAQ DATA 00069 that indicates these customers’ load is supposed to be included in Commercial starting in June 2015.

To get the correct history of Commercial load on default service, we will just need to add the load under “New Industrial” for 6/1/2013-5/31/2015 to Commercial, correct? Also, starting in June 1, 2015 either note (2) needs to be revised to reflect that the 400-500 kW load is now included under “Commercial” or if this was a mistake and the 400-500 kW customers is included in the Industrial then the data needs to be corrected. Please advise.

Answer: Yes, add the New Industrial class together with the Commercial class from 6/1/2013 through 5/31/2015 to get an hourly history of the Commercial class during that time period. To avoid further confusion, we will re-post the file with the classes of Commercial, Industrial, and Residential only, and remove the New Industrial grouping.

DAT 00075
Published On: 09/26/2016

Question: Can FE-PA please provide some background on how the capacity file takes into account the customer redefinition? Based on the “WPP_Cap_Trans” file customers in question appear to be included in the Commercial class, please confirm that is the case.

Answer: Starting 6/1/2015, interval metered customers with demands between 400-500 kW and qualifying loads are reported in the industrial class as a result of new rate design; previously, they were classified as commercial.  As such, PLC and NSPL values associated with these customers are reflected in the industrial class starting 6/1/2015.

DAT 00076
Published On: 10/18/2016

Question: Could the Companies provide estimated Network Transmission Service Peak Load (NSPL) values for all utilities and classes based on current customer splits for 2017?

Answer: PJM has not yet published the Zone NSPL targets for 2017 which serve as the basis for the annual customer class NSPL calculations.  The new customer class NSPL values are made available in late December each year.

DAT 00077
Published On: 11/29/2016

Question: To follow up FAQ DATA 00056, where did you get the PJM add-backs for West Penn Power on 7/29/2015 @1600 of 7.3MW? What document indicates that you need to add back 7.3 MW? I looked in PJM's Website Manual 19, Load Forecasting and Analysis, in Section 4 and Attachment A, and could not find that number in there.

Answer: PJM makes the add-backs available in its eLRS system respective to each of the 5 coincident peak (CP) days.  PJM provides the add-back kW on a customer basis respective to each zone.  Add-backs are calculated values based on reductions made at Load Management locations as follows:  (1) under the economic program, (2) for Load Management tests, and (3) for Load Management events.

DAT 00078
Published On: 12/01/2016

Question: For the Penn Power Cap_Trans_PLS, are the units KW or MW?

Answer: The units are kW.

DAT 00079
Published On: 01/09/2017

Question: Can you post the data for the first couple of days of the Capacity and Transmission PLC by Rate class, so we can see how it changed starting January 1, 2017?

Answer: The data have been posted.

DAT 00080
Published On: 01/17/2017

Question: Can you please explain why in the Capacity and Transmission PLC by Rate (PP_Cap_Trans_PLS) file, PennPwr Non-Shopped NSPL increased 6 times from 12/31/2016 to 1/1/2017?

Answer: The large increase in the Penn Power Industrial customer class NSPL is due to a 15 MW Industrial customer that became active last year and was assigned a default Transmission PLC value less than 1 MW at that time.  The 2017 Transmission PLC calculation used this customer's actual load data, increasing its Transmission PLC from less than 1 MW in 2016 to 14.6 MW effective Jan 1, 2017.  A similar change occurred with the Capacity PLC value assigned to this customer effective June 1, 2017.

DAT 00081 (revised 03/22/2017)
Published On: 01/17/2017

Question: Can you please provide PLC data for PJM planning year PY 2017/2018 for each utility by customer class?

Answer: The tables below depict the 2017 PLC values and Daily Zonal Scaling Factors that will become effective on June 1, 2017 for the current populations by customer type for each PA utility. The stated values do not take into account any migration taking place between March 20, 2017 and June 1, 2017.

2017 UNSCALED PLC kW - Snapshot as of 03/20/2017

Non-Shopped Commercial Non-Shopped Industrial Non-Shopped Residential Non-Shopped Total
Met-Ed 172,721 26,998 794,404 994,122
Penelec 207,718 22,981 588,885 819,584
Penn Power 83,243 15,368 242,206 340,817
West Penn 294,300 51,100 1,078,900 1,424,300

Shopped Commercial Shopped Industrial Shopped Residential Shopped Total
Met-Ed 482,560 813,790 434,223 1,730,573
Penelec 512,366 768,172 275,764 1,556,302
Penn Power 211,313 213,027 97,750 522,090
West Penn 635,152 1,102,893 436,892 2,174,938

PLC Scaling Factor
Met-Ed 0.98735
Penelec 1.03140
Penn Power 0.99540
West Penn 1.01143

DAT 00082
Published On: 01/17/2017

Question: Can you please post PJM PY2017/1018 Shopped & Non-Shopped PLCs by class for all four EDCs? Back in January 2016 these values were made available for PJM PY2016/2017 through FAQ DATA 00063.

Answer: Refer to FAQ DATA 00081.

DAT 00083
Published On: 01/20/2017

Question: Could you explain why the daily NSPL number in the PJM MSRS report is different from the number in the online data room? For example, for a single tranche for default residential class at Nov 30, 2016, the MSRS report shows 32.9 for NSPL, however, the data room shows 34.3 (Trans PLS for Default Res.) - (834,231 / 1000) * (0.98706 NSPL scaling factor) * (4.167% Tranche Size ). Similar issue for the UCAP too.

Answer: For Met-Ed, there were 25 tranches bid for the residential class which makes the tranche size percentage 1/25 = 4% rather than the 4.167% value used in your calculation.  The NSPL values in PJM MSRS will match those posted in the data room with this correction.

DAT 00084
Published On: 03/27/2017

Question: From May 3, 2015, West Penn Power Commercial was redefined to exclude interval customers with demands of 400-500kW. Is the West Penn Power load data prior to this date provided adjusted accordingly to the new class definition?

Answer: No, historical Commercial data prior to May 1, 2015 are not recast according to the new class definition, but instead represent Commercial load respective to the class definition effective during that time.

DAT 00085
Published On: 04/18/2017

Question: Can you please provide updated PLC data for PJM planning year PY 2017/2018 for each utility by customer class?

Answer: FAQ DAT 00081 posted at is now updated with a 3/20/17 snapshot of PLC data for PY 2017/2018 for each utility by customer class.

DAT 00086
Published On: 05/22/2017

Question: Can someone review and revise the posted data for Penn Power UFE rates for January 2017? Right now the file just repeats values for January 2016 exactly.

Answer: The January 2017 UFE information for Penn Power has been corrected.

DAT 00087
Published On: 06/02/2017

Question: Can you please provide updated PLC data for PJM planning year PY 2017/2018 for each utility by customer class?

Answer: The data now are posted on the Information Website at

DAT 00088
Published On: 06/05/2017

Question: Can you please provide PY17/18 PLC as of 6/1/17 as well as the DZSF?

Answer: The data now are posted on the Information Website at

DAT 00089
Published On: 06/07/2017

Question: While reviewing the Penelec Capacity and Transmission PLC by Rate worksheet on 5/31/2017, we noticed posted values for Capacity for June 1-3. These values differ from the posted PLC values found in FAQ DAT 00081 to start in June. Can you confirm the source of these readings?

Answer: The posted June 1-3 PLC values represent a customer population snapshot as of May 30.  These are not the final official values but have been posted as information for the upcoming DSP-IV auction.  These values will differ from the PLC values found in FAQ DAT 00081 because those values were reflective of the 2017/2018 PLC values for the population snapshot on 3/20/17.  Customer switching from non-shopping to shopping and vice versa, in addition to normal customer attrition, account for any differences.

DAT 00090
Published On: 06/07/2017

Question: Can you please advise why the DZSF as of March 20, 2017 published in FAQ DAT 00081 for Penelec and Penn Power changed so materially versus the prior auction data?

Answer: The DZSF values as of March 20, 2017, published in FAQ DAT 00081 for Penelec and Penn Power, regretfully were reversed.  The correct PLC DZSFs effective June 2017 are now available at and

DAT 00091
Published On: 10/10/2017

Question: What's wrong with the Penelec data (Capacity and Transmission PLC by Rate, Daily Zonal Scaling Factor)?

Answer: The issue has been resolved and the data are now available.

DAT 00092
Published On: 10/16/2017

Question: We are still seeing some data classified as preliminary and wondering when the final settlement data will be updated? Specifically, the Hourly Load by Class data and the Unaccounted for Energy data beyond 2017-08-01 are currently marked as (P).

Answer: The (P) indicates the data posted are respective to the Primary (daily) settlement posted to PJM.  The (S) indicates that the data posted are respective to the Secondary (60-day) settlement posted to PJM.  The Secondary settlement has been completed and posted through July 2017.  The August Secondary settlement will not be performed until the end of October.  All data posted are the most current data available.

DAT 00093
Published On: 10/16/2017

Question: We noticed a significant change in the shape of the load for the shopping and default service Penn Power commercial load starting in mid-February 2017. Do you have any explanation for this change?

Answer: All Penn Power consumption customers became smart meter enabled in February 2017, and FirstEnergy started to report their actual interval data as of February 20, changing the load shape from profiled to actual.

DAT 00094
Published On: 10/25/2017

Question: In general across the four zones, we noticed that the residential load coincident peaks for 2017 were on the high end based on the historical data posted to the Website. Can you confirm whether or not all consumption customers in all FE-PA zones experienced a change to smart meters this year, similar to the shift in Penn Power zone?

Answer: The conversion of consumption meters to smart meters is ongoing for Met-Ed, Penelec, and West Penn Power.  As smart meters are installed and the meter testing is completed, the hourly data from smart meters have been incorporated into the Residential historical hourly data starting in March 2017.  The percentage of Residential customers with smart meters for these three operating companies will continue to increase through 2019.

DAT 00095
Published On: 10/26/2017

Question: Just to clarify the response to FAQ - DATA 00092 as the data problem is with the “Hourly Load By Class” file for West Penn Power: Row 32197 to Row 33612 (corresponding to date range between 2017-02-01 to 2017-03-31) and Row 16789 to Row 17532 (corresponding to date range between 2015-05-01 to 2017-05-31) have their settlement type (Column-L) marked as “P”. Why is that?

Answer: The data for May 2015 are final and the label has been corrected.

DAT 00096
Published On: 10/26/2017

Question: Do the Companies have estimated PLC data for PJM PY 2018/2019 for each utility by customer class?

Answer: Customer class PLC estimates for the upcoming PJM planning year 2018/2019 are not currently available.  Customer PLC data for planning year 2018/19 will be made available prior to January 1, 2018.

DAT 00097
Published On: 10/30/2017

Question: Regarding the Penelec residential and commercial loads for the second half of July 2017 (July 18-30), it looks like there is a significant increase in the load as compared to previous months. Could you provide an explanation for this anomaly?

Answer: This anomaly is due to an error.  The Penelec hourly load and UFE data files have been re-posted with corrected July 2017 information.

DAT 00098
Published On: 10/30/2017

Question: Can you explain the large increase in hourly peaks for the Penelec settled summer 2017 load? These peaks are significantly higher than any other previous summer peaks.

Answer: The large increase in the hourly peaks for Penelec settled summer 2017 load was due to an error identified in the Residential and Commercial hourly load data beginning on July 18, 2017.  Corrected hourly load data for July 2017 is now posted.

DAT 00099
Published On: 10/30/2017

Question: There appears to be a significant increase in Penelec Residential & Commercial load beginning on July 18th, 2017. During the same period there is an offsetting increase in the zonal UFE allocation. Is this shift due to switching customers in this zone and these classes on to smart meters?

Answer: An error was identified as the cause of the significant increase in the Penelec Residential and Commercial load beginning on July 18, 2017.  The July 2017 hourly load and UFE data files have been corrected and re-posted.

DAT 00100
Published On: 10/30/2017

Question: Will Default Service Suppliers be allocated any UFE to smooth the transition from profiled to smart-metered load?

Answer: There are no current plans to allocate any UFE to the Pennsylvania Default Service loads.

DAT 00101 (revised 10/30/2017)
Published On: 10/30/2017

Question: Could you provide NSPL values for all utilities and classes for 2018?

Answer: PJM published the 2018 NSPL values by zone on October 23, 2017. The NSPL values by operating company are provided below. The 2018 NSPL values by class will not be available until the end of this year.

Company NSPL (MW) Date Hour
Met-Ed 2,897.0 7/20/2017 1700
Penelec 2,889.9 12/15/2016 1900
Penn Power 900.3 7/19/2017 1700
West Penn Power 3,778.4 12/15/2016 2000

DAT 00102
Published On: 12/08/2017

Question: After June 1, 2017, PJM started reporting scaling factors other than 1 for Met-Ed and Penelec. Before June 1, all scaling factors reported for both Met-Ed and Penelec were 1. Because of the change in scaling factors since June 1, we would like to know if Met-Ed and Penelec have changed how they treat or report the capacity tags provided in the data files on the FE-PA Information Website.

Answer: We have not changed how we treat or report capacity tags in the data files found on the FE PA Information Website.  The unscaled tags continue to be provided as well as the respective scaling factors.

DAT 00103
Published On: 12/15/2017

Question: Please provide PY 2018/19 capacity tags for each customer type for all four utilities. If the capacity tags are not readily available, please let us know when we can expect to receive them. The EDCs are mandated to provide capacity tags to retailers by the end of the year.

Answer: The capacity tags for PY 2018/19 will be provided for all four utilities for each customer type on or before December 27, 2017.

DAT 00105
Published On: 01/05/2018

Question: Can the FEPA companies provide initial Transmission/NSPL tags for January 2018 for prospective bidders to tighten up their NITS and related cost estimates?

Answer: The 2018 Transmission/NSPL tags have been posted by class type for all FEPA companies through January 3, 2018 along with the respective Daily Zonal Scaling Factors.

DAT 00106
Published On: 01/09/2018

Question: I understand that the hourly load profile of a tranche is an estimate based on historical loads. Will the companies or PJM provide their own forecasts closer to delivery to be scheduled using InSchedule? Who does this scheduling - the companies or the Default Service provider?

Answer: Please see section 7.3 (Energy Scheduling) of the Supplier Master Agreement.  The Companies are not obligated to provide any day ahead scheduling services.  Also, the Companies do not provide forecasts.

DAT 00107
Published On: 03/28/2018

Question: Will you update the PY 2018/2019 PLC snapshot posted on the FAQs before the upcoming bid?

Answer: The tables below depict the 2018 PLC values and Daily Zonal Scaling Factors that will become effective on June 1, 2018 for the current populations by customer type for each PA utility. The stated values do not take into account any migration taking place between April 1, 2018 and June 1, 2018. 

2018 UNSCALED PLC kW - Snapshot as of 3/26/2018

Non-Shopped Commercial Non-Shopped Industrial Non-Shopped Residential Non-Shopped Total
Met-Ed 168,317 29,223 847,083 1,044,623
Penelec 200,128 12,930 583,198 796,256
Penn Power 71,512 1,215 287,448 360,175
West Penn 313,832 33,255 1,085,859 1,432,946

Shopped Commercial Shopped Industrial Shopped Residential Shopped Total
Met-Ed 453,100 772,139 406,824 1,632,063
Penelec 464,505 799,254 229,579 1,493,338
Penn Power 178,347 200,603 99,215 478,165
West Penn 584,349 1,161,340 384,366 2,130,055

PLC Scaling Factor
Met-Ed 1.01155
Penelec 1.02533
Penn Power 1.00449
West Penn 1.00749

DAT 00108
Published On: 04/05/2018

Question: Can you confirm the current and PY 2018/19 PLC data posted on the Information Website in FAQ DAT 00107? The change between the 12/19/2017 and 3/26/2018 snapshots for the PY 2018/19 non-shopping PLC increased more than current planning year PLC. As an example, we calculate a 5.7% increase in the Met-Ed Commercial PY 2018/19 PLC and a 4.4% increase in the current planning year PLC. Alternatively, what is the cause of these differences?

Answer: The PLC snapshot for PY 2018/19 posted in FAQ DAT 00107 is correct.  While the population migration between shopping and non-shopping is the same for the PY 2017/18 and PY 2018/19 between 12/19/2017 and 3/26/2018, there is no expectation that the percentage change in the aggregate of these two planning year PLC values will vary by same percentage.  Each customer's PLC is calculated independent of the previous year and can vary significantly (higher or lower) from the prior year depending on each customer's operation at the defined peak hours.

DAT 00109
Published On: 04/06/2018

Question: Will FEPA be updating the Penelec "Load and Other Data" through 3/31/2018 similar to the other three utilities?

Answer: Yes. The Penelec "Load and Other Data" now are updated through 3/31/2018.

DAT 00110
Published On: 06/12/2018

Question: Can the EDCs refresh the data posted in FAQ DAT 00107 with a snapshot from on or after June 1, 2018 with actual Cap PLC MW and PLC scaling factors for Planning Year 2018/19?

Answer: Yes, PLC values along with daily zonal scaling factors for June 1 will be made available by close of business today.

DAT 00111
Published On: 06/12/2018

Question: From 5/31/18 to 6/1/2018, the Capacity MW (PLC) for Penn Power customer classes seems to have increased more than expected. Can you please confirm that these data are correct?

Answer: The June 1 Capacity MW (PLC) values have been corrected on the Website.

DAT 00112
Published On: 06/14/2018

Question: The initial load data for Penn Power Commercial shows migration into default service (DS) during the last week of May 2018, but the PLC tags do not support a material migration into DS during May 2018. What is driving the higher DS load for Penn Power Commercial?

Answer: The Penn Power hourly load will be corrected on the Website by tomorrow morning for May 2018.  The values currently posted are in error.

DAT 00113
Published On: 09/26/2018

Question: Can you please provide Hourly Load by Class for the period prior to January 2018 for Penn Power?

Answer: A second tab has been added to the Penn Power Hourly Load file with history prior to January 2018.

FAQs Disclaimer

The information provided in the Frequently Asked Questions (“FAQs”) section of the Site has been prepared by the Companies and its advisors for the purposes of facilitating the auction process. The information presented and distributed here is subject to update, modification and/or amendment. The information is current as of the posting date. The material presented and distributed here is for informational purposes only and is made available with the understanding that any individual accessing it will use it for the sole purpose of participating in the aforementioned auction process. The information is not intended to form any part of the basis of any investment decision, valuation, or any bid that may be submitted during the auction process. This information should not be relied upon, and each recipient should make its own independent assessment of the subject opportunity after making all investigations it deems necessary.

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