Reconciliation billing determinants are used by PJM to reconcile past months' billings between EDCs and Retail Load Aggregators (a.k.a. Electric Generation Suppliers) for certain allocations that are based on real-time load ratio shares. The reconciliation kWh data supplied to PJM by the EDCs, which represents the difference between the scheduled Retail Load Responsibility eSchedules and the "actual" customer usage based on metered data, are multiplied by the applicable billing determinants to determine the reconciliation billing amounts for each of the following:
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| Post 08.01.2008 Daily and Hourly Recon Determinants - Sample File (CSV) |
| Post 08.01.2008 Monthly Recon Determinants - Sample File (CSV) |
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Reconciliation billing determinants are used by PJM to reconcile past months' billings between EDCs and Retail Load Aggregators (a.k.a. Electric Generation Suppliers) for certain allocations that are based on real-time load ratio shares. The reconciliation kWh data supplied to PJM by the EDCs, which represents the difference between the scheduled Retail Load Responsibility eSchedules and the "actual" customer usage based on metered data, are multiplied by the applicable billing determinants to determine the reconciliation billing amounts for each of the following: |
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PJM Charges - January 1999 - December 2000 |
Monthly $/MWh rate calculated as PJM's operating expense divided by total PJM transmission use |
PJM Charges - January 2001 - May 2006 |
Monthly $/MWh rate calculated as PJM's Control Area Administrative Service (Tariff Schedule 9-1) expense divided by total PJM transmission use, plus PJM's Market Support Service (Tariff Schedule 9-3) rate for transmission customers. |
| PJM Charges - June 2006 - present |
Monthly $/MWh rate calculated as PJM's Control Area Administrative Service (Tariff Schedule 9-1) rate, plus PJM's Market Support Service (Tariff Schedule 9-3) rate for transmission customers. |
Transmission Owner Charges - January 1999 - June 1999 |
| Monthly $/MWh rate calculated for each zone as the portion of RTO control center expense (less the amount recovered from point-to-point transmission customers) divided by total network load served in that zone. |
Transmission Owner Charges - July 1999 - present |
Monthly $/MWh rate for each zone as filed in Schedule 1A of the PJM Open Access Transmission Tariff. | |
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Regulation Charges - January 1999 - May 2000 |
Hourly $/MWh rate calculated as 1.1% of Regulation market rate |
Regulation Charges - June 2000 - March 2002 |
Hourly $/MWh rate calculated as total cost of Regulation divided by total PJM load |
Regulation Charges - April 2002 - April 2004 |
| Hourly $/MWh rates calculated as total cost of Regulation in applicable East or West regulation market divided by total real-time load in that market |
| Regulation Charges - May 2004 - July 2005 |
Hourly $/MWh rates calculated as total cost of Regulation in applicable PJM (East), Allegheny Power, or ComEd Control Zone regulation market divided by total real-time load in that market |
| Regulation Charges - August 2005 - present |
Hourly $/MWh rates calculated as total cost of Regulation in applicable PJM Mid-Atlantic or Western Control Zone regulation market divided by total real-time load in that market | |
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Spinning Reserve Charges - January 1999 - May 2000 |
| Daily $/MWh rates calculated as total cost of Operating Reserves divided by total PJM real-time load plus exports |
Spinning Reserve Charges - June 2000 – March 2002 |
| Daily $/MWh rates calculated as total cost of Balancing Operating Reserves condenser payments divided by total PJM real-time load plus exports |
Spinning Reserve Charges - April 2002 - December 2002 |
Daily $/MWh rates calculated as total cost of Ten-minute Reserves in applicable East or West energy market divided by total real-time load plus exports in that market |
| Spinning Reserve Charges – December 2002 - April 2006 |
| Hourly $/MWh rates calculated as total cost of Spinning Reserve in the applicable reserve zone divided by the total real-time load in that zone |
| Synchronized Reserve Charges - May 2006 – present |
| Hourly $/MWh rates calculated as total cost of Synchronized Reserve in the applicable reserve zone divided by the total real-time load in that zone | |
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Transmission Loss Credits – January 1999 – May 2007 |
| Hourly $/MWh rates calculated as total point-to-point transmission loss revenues divided by total PJM real-time load |
| Transmission Loss Credits – June 2007 - present |
| Hourly $/MWh rates calculated as total transmission loss revenues divided by total PJM real-time load plus exports | |