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.  The 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 FEPA Auction Information Website?

Answer: The Daily Zonal Scaling Factors are updated on the first business day of each month on the FEPA 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 (i.e., the "Load and Other Data" page under Documents on the FEPA Auction Information Website). 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 on the "Load and Other Data" page. Please note that the raw PLC values when scaled may not match those posted to PJM eRPM because they are created on a monthly basis after the fact.  The data on the "Load and Other Data" page 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 on the "Load and Other Data page" under Documents on the Information Website 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 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 00043 (revised 01/18/2017)
Published On: 12/11/2014

Question: We looked at the historical load data on the "Load and Other Data" page under documents on the Information Website. 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 00048
Published On: 03/25/2015

Question: In reference to FAQ DAT 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 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:

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 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 on the "Load and Other Data" page under Documents on the Information Website by the reconciliation factors for the applicable delivery year? Or have the hourly load data on the "Load and Other Data" page 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 on the "Load and Other Data" page 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 on the "Load and Other Data" page at  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 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: Are transmission 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 00075
Published On: 09/26/2016

Question: Can FEPA 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 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 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 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 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 FEPA 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 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 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 FEPA Information Website.

Answer: We have not changed how we treat or report capacity tags in the data files found on the FEPA Information Website.  The unscaled tags continue to be provided as well as the respective 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 00123
Published On: 01/11/2019

Question: Similar to the Penn Power load data, can FE provide hourly load for ME, PN, and WP small commercial customers that will be migrating to the large commercial class?

Answer: Unlike Penn Power, Met-Ed, Penelec, and West Penn Power have not been fully converted to AMI (advanced metering infrastructure) and we are unable to provide hourly load respective to the customers that will migrate among the classes at this time.

DAT 00124
Published On: 01/15/2019

Question: Can you please provide the NSPL tags for all the zones with the class breakouts for the new transmission year 2019?

Answer: The 2019 NSPL data for 1/1/2019 by class have been posted to this Information Website along with the daily zonal scaling factor for 1/1/2019 for each zone.

DAT 00125 (revised 04/23/2019)
Published On: 01/16/2019

Question: Can we please ask the four utilities to provide an update on the "Percentage of Commercial Load served by Non-Shopping Accounts on the GSM and GP30 rate tariffs with billing demands > 100kW for 12 Consecutive Months" through December 2018 (Penn Power was not provided back then)? Also, we would like an update to the January 2018 proxy provided with a January 2019 proxy "12 consecutive months for the 12-month period ending January 2018 as a proxy for the population of customers that will migrate from the Commercial to Industrial customer class in June 2019". Lastly, please post an update (if any) to the "Percentage of PLS ICAP kW Aggregates of Non-Shopping Commercial Accounts on GSM and GP30 rate tariffs metered over 100 kW".

Answer: Historical commercial load has been posted for Penn Power by hour respective to the customers migrating from the commercial to the industrial class on June 1, 2019; please note the additional column labeled "Commercial Migration". Unlike Met-Ed, Penelec, and West Penn Power, Penn Power is fully converted to advanced metering, and as such, it has been possible to provide the hourly breakout. 

Accounts Metered over 100 kW 12 Consecutive Months
02/2017 - 01/2018

The following data use the number of customers currently served on rate tariffs GSM in Penelec, Met-Ed, and Penn Power, and GP30 in West Penn with billing demands greater than 100 kW for 12 consecutive months for the 12-month period ending January 2018 as a proxy for the population of customers that will migrate from the Commercial to Industrial customer class in June 2019.

Number of Non-Shopping Commercial Accounts on GSM and GP30 rate tariffs metered over 100 kW Met-Ed Penelec West Penn Penn Power Total
# of Accounts from 02/2016 - 01/2018 983 1,149 1,539 274 3,945
Shopping Accounts as of 01/2018 912 1,059 1,357 245 3,573
Non-Shopping Accounts as of 01/2018 71 90 182 29 372
Total # of Accounts as of 01/2018 983 1,149 1,539 274 3,945

2019 (2019/2020 for PLC) Delivery Year ICAP kW Aggregates of Non-Shopping Commercial Accounts on the GSM and GP30 tariffs metered over 100 kW Met-Ed Penelec West Penn Penn Power
PLC* 8,958 10,060 26,120 4,816
NSPL* 10,335 18,415 27,522 6,846

Non-Shopping Commercial kW Aggregate on 1/1/2019 and 6/1/2019 (Projected) for Transmission and Capacity Met-Ed Penelec West Penn Penn Power
PLC 167,951 198,850 283,500 75,083
NSPL 169,094 229,556 276,100 83,248

Percentage of PLS ICAP kW Aggregates of Non-Shopping Commercial Accounts on GSM and GP30 rate tariffs metered over 100 kW Met-Ed Penelec West Penn Penn Power
PLC* 5.3% 5.1% 9.2% 6.4%
NSPL* 6.1% 8.0% 10.0% 8.2%

*Based on 2019 (2019/2020 for PLC) Delivery Year ICAP values on 1/1/2019 (NSPL) and 6/1/2019 (PLC)

DAT 00126 (revised 04/16/2019)
Published On: 01/16/2019

Question: Can you please provide PLC data for PJM Planning Year 2019/2020 for each utility, by customer class?

Answer: Please refer to DAT 00125 for information regarding the number of customers currently served on rate tariffs GSM in Penelec, Met-Ed, and Penn Power, and GP30 in West Penn Power with billing demands greater than 100 kW for 12 consecutive months for the 12-month period ending January 2018. These data will be used as a proxy for the population of customers that will migrate from the Commercial to Industrial customer class in June 2019. The tables below depict the 2019 PLC values and Daily Zonal Scaling Factors that will become effective on June 1, 2019 for the current customer classes for each PA utility. The stated values do not take into account customer migration taking place between April 1, 2019 and June 1, 2019.

2019 Unscaled PLC kW - Snapshot of 6/1/2019

  Non-Shopped Commercial  Non-Shopped Industrial Non-Shopped Residential Non-Shopped Total
Met-Ed 167, 951 26,297 903, 258 1,097,506
Penelec 198,850 10,182 648,556 857,588
Penn Power 75,083 1,493 303,576 380,152
West Penn 283,500 70,900 1,169,600 1,524,000

  Shopped Commercial Shopped Industrial Shopped Residential Shopped Total
Met-Ed 454,245 801,346 377,803 1,633,394
Penelec 472,477 781,341 226,453 1,480,271
Penn Power 186,022 189,646 96,208 471,876
West Penn 586,100 1,057,700 384,700 2,028,500

  PLC Scaling Factor
Met-Ed 1.005
Penelec 1.013
Penn Power 0.997
West Penn 1.005

DAT 00129
Published On: 01/21/2019

Question: FAQ GEN 00060 refers to Rider H and the transmission loss component. It implies that the transmission loss component should be added to Rider H. Using West Penn Power as an example, FAQ GEN 00060 gives the transmission loss component as 0.02184. When I look at the West Penn Power Supplier Tariff, I can see 2.184% as the on-peak line losses for Transmission Voltage under the Company Line Loss Factor Rider. The off-peak line losses are 1.938%. Rider H in the West Penn Power Electric Tariff states that the Loss Factor for the Commercial Customer Class is 1.0899 and for the Residential Customer Class is 1.0910. Can you please provide me with the correct calculation I need to do in order to get the correct load at the retail meter? It is my understanding that all residential load should be at a Secondary voltage, and there are different percentages for this. For example the West Penn Power Supplier Tariff states 9.434% and 8.537% for on-peak and and off-peak. What should I do about this?

Answer: A customer's service voltage level determines transmission and distribution loss factors.  Please refer to the following link for additional information:

DAT 00130
Published On: 04/23/2019

Question: Can you confirm DAT 00125 – Penelec NSPL, Non-Shopping Commercial data in the third table?

Answer: There was a typo in the table for FAQ DAT 00125.  The Penelec Non-Shopping Commercial aggregate NSPL should be 229,556 not 29,556.  The table has been corrected.

DAT 00131 (revised 05/21/2019)
Published On: 04/30/2019

Question: (1) In the PLC data posted in FAQ DAT 00126, have the 100 kW+ customers been migrated to the Industrial class? (2) To confirm, the historical commercial load in West Penn, Met-Ed, and Penelec still includes customers that average over 100 kW, correct?

Answer: Yes, the historical commercial loads in West Penn, Met-Ed, and Penelec reflect customers with billing demands greater than 100 kW for twelve consecutive months ending January 2018 as a proxy for commercial customers expected to migrate from the commercial to industrial class starting June 1, 2018.  FAQ DAT 00126 initially was published in October 2018.  Since October 2018, there has been a change in shopping status for these commercial customers expected to migrate in June.  The PLC data were revised in April 2019 to reflect this change from non-shopping to shopping.

DAT 00132 (revised 05/21/2019)
Published On: 04/30/2019

Question: Monthly migrating commercial class loads are updated in FAQ SMA 00037 for Met-Ed, Penelec, and WestPenn. Hourly loads of Penn Power (that show the migrating class) are still from January. Can you please either update the migrating load table in SMA 00037 with Penn Power, or provide refreshed hourly loads of Penn Power for the migrating class?

Answer: Penn Power hourly loads have been updated through 3/31/2019 to reflect the expected commercial migration starting 6/1/2019.

DAT 00133
Published On: 05/02/2019

Question: In Hourly Load by Class for Penelec listed on the Information Site, the Excel file has a strange character in one of the cells. In the spreadsheet, go to the "Penelec old <2011" tab, and check row 691 column R (data for 2008/06/29 TOTAL PN COMPANY). The value shows up as "???/1652179". Would you be able to amend this for future revisions?

Answer: This has been corrected.

DAT 00134
Published On: 05/10/2019

Question: Regarding the Penn Power historical Commercial load, which tab and column within the load file reflects the migrated load? From what date forward are the migrated load available?

Answer: Historical loads representing the expected commercial migration starting 6/1/2019 are available from 9/1/2017 through 3/31/2019.  In the file "Penn Power Hourly Load by Class", please refer to the columns "Commercial (1)" and "Commercial Migration (2)" -- and the notes associated with those columns -- in the tabs "PP Load 010118-Current" and "PP Load 060111-123117".

DAT 00135
Published On: 05/21/2019

Question: For Penn Power, there is a considerable level (600-800 kW) change starting Sept. 2018 in migrating commercial load (customers with demands greater than 100 kW for 12 consecutive months that will transition to the Industrial class on June 1, 2019) compared to 2018 and 2017. Is there any explanation for this change?

Answer: There was an error in the hourly data posted for August 2018.  The primary data were not updated to reflect secondary data despite the label.  Also, the non-shop commercial hourly loads were overstated for all hours of August 31.  The necessary corrections have been made now, and as a result the change has been normalized to look in line with previous periods.

DAT 00136 (revised 05/21/2019)
Published On: 05/21/2019

Question: For Met-Ed, West Penn, and Penelec, do the data for the Non-Shopped Commercial customers in the Hourly Load by Class files represent (1) all non-shopping Commercial customers, or (2) non-shopping Commercial customers that have not voluntarily switched to the Hourly Pricing Default Service Rider? If the answer is option 2, then what period of historical data is impacted by the customers that have voluntarily switched to the Hourly Pricing Default Service Rider? Are the historical Capacity PLS and Transmission PLS values also reduced for customers that have voluntarily switched to the Hourly Pricing Default Service Rider?

Answer: For Met-Ed, West Penn, and Penelec, the hourly data for the non-shopped commercial load represent all non-shopping commercial customers in the Hourly Load by Class files for the posted time periods.

DAT 00137
Published On: 05/21/2019

Question: Based on the response to FAQ GEN 00120, as of February 1, 2019, all four utilities have deployed smart meters to more than 90% of their customers. For Met-Ed, Penelec, and West Penn, do the historical hourly data reported in the Hourly Load by Class reflect interval usage collected from these smart meters or is the usage for customers with smart meters still based on utility temperature based profiles scaled to monthly customer meter reads? We note that when Penn Power’s customers became smart meter enabled in February 2017, and the utility switched from profile to actual load, the shape of the load changed meaningfully. We do not see a similar change in the load data for Met-Ed, Penelec, and West Penn.

Answer: When interval data from a smart meter have been bill certified, it is reported in the Hourly Load by Class files as of that bill certification date forward.  The utility weather informed profile is no longer used to report hourly load for that account.  Please note there are time lags between deploying/installing smart meters and bill certifying their interval output.  In order to determine meaningful load shape changes, most if not all smart meters would need to be bill certified and reported in the Hourly Load by Class files for twelve months.  All customers in Penn Power were bill certified in February 2017 enabling that load change comparison.  In contrast, customers in Met-Ed, Penelec, and West Penn have been bill certified using a phased-in approach over the past couple of years.

DAT 00138
Published On: 06/10/2019

Question: I understand that the hourly volumes cannot be provided for the Meted, Penelec, and West Penn Power commercial customers that are migrating to industrial. Would it be possible to provide historical monthly or annual volumes for the customers that are migrating over?

Answer: Please refer to FAQ SMA00037 for historical monthly volumes for customers migrating between the commercial and industrial classes in MetEd, Penelec, and West Penn Power.

DAT 00139
Published On: 06/20/2019

Question: After checking both Capacity and NSPL Tags for June, we don’t see the expected effects of the commercial customers supposed to be moved to the LCI class. Can you please tell us the reason? Is the reclassification supposed to happen later in the month?

Answer: Data have been re-posted to reflect the reclassification.  Data that were originally posted for June reflected estimates that did not include the reclassification.

DAT 00140
Published On: 06/20/2019

Question: In FAQ response DAT 00125, it was stated that there would be about 5%-10% of non-shopping Commercial customers (based on PLC/NSPL) metered over 100kW. We would expect these customers to be required to take Default Service through the Hourly Pricing Default Service Rider starting June 1, 2019. However, when comparing the historical utility NSPL values between May 31, 2019 and June 1, 2019, we noticed that the change in NSPL values was less than 1%. Does this mean that the customers have yet to be moved to the Hourly Pricing Default Service Rider, and that the NSPL values have yet to reflect this change, or have these customers already moved to the Hourly Pricing Default Service Rider as of a prior date?

Answer: Please re-check the data posted to the Website.  Estimates were posted for June prior to the migration which did not reflect the change since it had not occurred yet.  Actual data now are posted for the first few days in June which reflect the commercial-to-industrial migration.

DAT 00141
Published On: 06/20/2019

Question: Could you provide Penn Power PLC daily zonal scaling factors for a few days in June 2019?

Answer: These are available on the Website through 6/6/2019.

DAT 00142
Published On: 06/20/2019

Question: In the posted data files for load, NSPL, and PLC, are the migrating commercial to industrial customers in the commercial class for dates prior to 6/1/19 and industrial class for dates 6/1/19 and after?

Answer: Yes, that is correct.

DAT 00143
Published On: 06/21/2019

Question: In the Penn Power hourly load data, we noticed that the Non-Shopped Commercial load between the tabs “PP Load 090118 – Current” and “PPLoad010118-052219_W_Migration” are different for the months of November 2018, and February – March 2019. For the Shopped Commercial load, the difference exists only in March 2019. Which tab contains the correct hourly volumes?

Answer: Refreshed data have been posted to the Website.  The numbers should tie between the two tabs for all months.

DAT 00144
Published On: 06/25/2019

Question: Can you please update the tables in FAQ SMA 00037 for 2018 Fall and after? The NSPL change between May 31 and June 1, and also load level change in Penelec, West Penn , MetEd, and Penn Power, don't reflect the expected migration for June due to the load redefinition.

Answer: Please re-check the data posted to the Website for NSPL from June 1, 2019 through June 6, 2019 as the data demonstrate a load shift in the Non-Shopping MW between the Commercial and Industrial classes.  June 1, 2019 forward values posted to the Website before the actual date reflected estimates that did not include the migration.

DAT 00145
Published On: 10/10/2019

Question: In the "WPP_Hrly_Data" file, the settlement type for June 2019 is "P". While for July 2019, it is "S". Can you please confirm that is correct?

Answer: Please recheck the WPP_Hrly_Data file, the Settlement type for June is "S".  There may have been a delay in updating the June data.

DAT 00146
Published On: 10/14/2019

Question: Reconciled load data are provided for three of the Utilities (Penelec, Met-Ed, and Penn Power) through June 2019. Can the data be updated through July 2019? Also, can West Penn Power post reconciled data for both June 2019 and July 2019?

Answer: Reconciled hourly load data are posted for Met-Ed, Penn Power, and West Penn Power through July 2019.  Reconciled hourly load data for Penelec will be posted for July 2019 by close of business on October 14, 2019.  Hourly load data are posted by the fifth business day of the month for the previous calendar month as well as the last reconciled period.  Our Data Description Document will be updated to indicate this frequency.

DAT 00147
Published On: 10/16/2019

Question: In the Met-Ed and Penelec load data, what's the reason that the Commercial Shopped load dropped in June 2019? Even if I add up the shopped and non shopped commercial data, there is still a drop in June 2019 in Penelec data.

Answer: Customers with billing demands greater than 100kW for twelve consecutive months migrated from the Commercial to the Industrial customer class starting June 1, 2019.

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