FAQs
Data
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FAQ-58:
Is the daily peak load contribution (“PLC”) or the daily network transmission service peak load (“NSPL”) data scaled using the daily zonal scaling factors?
The daily peak load contribution (“PLC”) and network transmission service peak load (“NSPL”) data provided in Data Room are not scaled by the daily zonal scaling factor. The daily zonal scaling factors are provided in the file “PECO Daily Zonal Scaling Factor”.
12/21/2023 in Data
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FAQ-57:
Is the daily peak load contribution (“PLC”) and network transmission service peak load (“NSPL”) data adjusted for the NYPA allocation? Why is the sum of the values across the detail sheets not always exactly equal to the values on the summary sheet in the “PECO R PLC&NSPL Data” file?
The daily peak load contribution (“PLC”) and network transmission service peak load (“NSPL”) data for the Residential class are not adjusted for the NYPA allocation. The differences are due to the loss of precision—the Summary Sheet and Detail Sheet are published independently to one decimal. As a result, the summary sheet is a more accurate representation of total than adding up details.
12/21/2023 in Data
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FAQ-52:
Can you please provide the Planning Year 2024-2025 peak load contribution data for default service customers and for customers served by EGSs for each customer class?
The Total Peak (MW) and Default Peak (MW) for each Class provided in the Addendum to the RFP Rules was updated on December 19, 2023 for Planning Year 2024-2025. Historical daily peak load contribution data for the total retail load, default service customers and for customers served by EGSs is available by Class and strata in the Data Room.
12/21/2023 in Data
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FAQ-51:
Is the hourly load data in the Data Room already adjusted to include UFE? How does PECO allocate UFE?
The hourly load data in the Data Room has already been adjusted to include Unaccounted for Energy (“UFE”).PECO allocates UFE to all Load Serving Entities in the PECO zone (i.e., to EGS and default service Load Serving Entities) each month based on load-ratio share. Prior to March 2015 UFE is allocated to monthly-metered customers and not to hourly/interval metered customers. Starting in March 2015 UFE is allocated to all customers, including hourly/interval metered customers.
12/21/2023 in Data
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FAQ-39:
Where can I find ICAP Weather Factors for each load profile?
ICAP Weather Factors are available in the Data Room - Additional Data section of the RFP website.
12/21/2023 in Data
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FAQ-34:
What are the line loss factors for calculating retail load from wholesale load?
The loss percentages for each customer class are available in PECO’s Current Electric Generation Supplier Tariff (see 6.6 Line Losses on page 30) available here: Current Electric Rate Information | PECO - An Exelon Company.
12/21/2023 in Data
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FAQ-33:
What is PECO’s two-step process to settle the hourly load obligations with each LSE and PJM?
PECO settles hourly load obligations with each LSE and PJM via a two-step process:- Settlement A – PECO determines the estimated “day after” (delivery day) hourly load responsibility by recreating the load characteristics of the delivery day in question using a combination of available known, preliminary, and historically-based information. PECO then submits the load responsibility for all LSEs serving load on the settled day(s) to PJM in accordance with PJM procedural requirements and energy market schedules.
- Settlement B – PECO determines the final hourly load responsibility approximately 60 days after an energy delivery month by reconciling actual individual customer meter readings and applicable load profile data with the Settlement A data for that month. PECO then calculates and submits the energy variances from Settlement A hourly scheduling for all LSEs to PJM in accordance with PJM procedural requirements and energy market schedules.
PECO provides an overview of the determination of hourly load obligations on their website here: https://electricandgaschoice.force.com/s/article/Determination-of-Hourly-Load-Obligations-Overview
12/21/2023 in Data
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FAQ-30:
In the hourly load data file, for the CCI-GS rate schedule, the Default Energy (MWh) is negative for hours 10-13 on 10/27/2017. Also, for those same hours, in the Unaccounted For Energy (UFE) file, the Total Zone UFE (MW) is positive. Please confirm that the data is correct.
The values provided for the Default Energy (MWh) for the CCI-GS rate schedule and the Total Zone UFE in hours 10-13 on 10/27/2017 should be disregarded due to metering error.
12/21/2023 in Data
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FAQ-28:
Are the Hourly PJM Deration Factors for the PECO Zone provided in Eastern Standard Time or Eastern Prevailing Time?
Hourly reports align with Eastern Prevailing Time. For instance, Hour 1 pertains to the hour between 12:00 a.m. EPT and 1:00 a.m. EPT. Daylight Savings Time (DST) is treated as follows:- Hourly reports spanning the Fall DST period contain 25 consecutive hours.
- Hourly reports spanning the Spring DST period contain 23 consecutive hours.
For more information please see the Data Description document posted to the Data Room.
12/21/2023 in Data
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FAQ-26:
Is the hourly load data posted in the Data Room for wholesale energy?
As stated in the data description document, the hourly load data provided in the Data Room on the RFP website includes applicable distribution and transmission losses. These values will be de-rated by PJM for marginal losses prior to energy settlement. PECO provides hourly marginal loss deration factors in the Data Room.
12/21/2023 in Data
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