Historical Transmission Costs
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What are transmission costs?
In addition to energy supply, capacity and other charges, your energy bill also includes transmission costs. Transmission costs are charges from your local utility for moving a vast amount of electricity from generating power plants to utility substations.
In some utilities, these rates are set and fixed annually by your local utility and are based on your organization’s Network Service Peak Load Contribution (NSPL), which is set annually and is based on your energy usage during peak hours. Network Integrated Transmission Service (NITS) is also factored into your transmission cost, which is specific to your respective utility and may or may not change every year on June 1.
Can I reduce my transmission costs?
You can lower your transmission costs for next year by reducing your usage during high peak times in 2023, which happens only a few hours a year. You can take control of your demand costs with AEP Energy’s complimentary PeakAdvisory® program where you’ll receive notifications during high-demand days alerting you to reduce your energy usage. 1 Learn more about our demand management programs.
The graph below highlights historical transmission rates from various utilities within the PJM and MISO system areas.
Source: PJM, PJM – network-integration-trans-service-january-2023.ashx (pjm.com)
PJM Transmission Network Service Peak Load Contribution (NSPL) Time Periods
Sources:
PJM – Capacity Market (RPM)
PJM – Load Forecast Development Process
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Time Period Date Load (MW) Hour Ending Nov 1 - Oct 31 2022-08-09 2614.005 18:00 2022-08-04 2593.299 19:00 2022-07-23 2558.683 19:00 2022-07-22 2529.098 19:00 2022-07-24 2516.931 19:00 -
Time Period Date Load (MW) Hour Ending Nov 1 - Oct 31 2022-06-22 21741.038 16:00 -
Time Period Date Load (MW) Hour Ending Dec 1 – Mar 31
or
Jun 1 - Sep 302022-01-27 9154.323 08:00 2022-02-15 8668.779 08:00 2022-01-21 8567.872 09:00 2022-01-22 8496.149 09:00 2022-01-26 8412.946 08:00 -
Time Period Date Load (MW) Hour Ending Dec 1 – Mar 31
or
Jun 1 - Sep 302022-06-15 12771.05 16:00 2022-06-16 12606.18 14:00 2022-06-22 12589.65 16:00 2022-08-03 12385.61 19:00 2022-08-08 12205.71 19:00 -
Time Period Date Load (MW) Hour Ending Nov 1 - Oct 31 2022-08-09 6520.047 18:00 2022-08-04 6450.846 17:00 2022-07-24 6199.112 18:00 2022-07-23 6114.996 18:00 2022-07-21 6101.997 17:00 -
Time Period Date Load (MW) Hour Ending Jun 1 - Sep 30 2022-06-21 21262.332 19:00 2022-06-15 20730.608 18:00 2022-06-14 20605.676 18:00 2022-07-05 19685.373 17:00 2022-06-16 19210.372 18:00 -
Time Period Date Load (MW) Hour Ending Jun 1 - Sep 30 2022-06-15 3348 17:00 -
Time Period Date Load (MW) Hour Ending Jun 1 - Sep 30 2022-06-16 5166.122 18:00 -
Time Period Date Load (MW) Hour Ending Nov 1 - Oct 31 2022-08-09 4125.325 18:00 2022-08-04 4058.22 18:00 2022-07-21 3920.129 16:00 2022-07-24 3911.25 18:00 2022-08-08 3910.512 18:00 -
Time Period Date Load (MW) Hour Ending Jan 1 - Dec 31 2022-06-16 2714.698 16:00 -
Time Period Date Load (MW) Hour Ending Nov 1 - Oct 31 2022-08-09 6123.494 18:00 2022-07-20 5994.141 18:00 2022-08-04 5970.577 18:00 2022-07-21 5928.717 17:00 2022-08-08 5819.709 17:00 -
Time Period Date Load (MW) Hour Ending Dec 1 – Mar 31
or
Jun 1 - Sep 302022-08-09 3021.278 15:00 2022-08-08 2999.254 18:00 2022-08-04 2966.605 17:00 2022-07-20 2935.64 18:00 2022-07-21 2916.752 18:00 -
Time Period Date Load (MW) Hour Ending Nov 1 - Oct 31 2022-08-09 8582.561 17:00 2022-08-04 8262.847 18:00 2022-08-08 8193.806 18:00 2022-07-21 8126.393 16:00 2022-07-20 7988.749 18:00 -
Time Period Date Load (MW) Hour Ending Nov 1 - Oct 31 2022-08-09 5833.778 18:00 2022-08-04 5814.379 17:00 2022-08-10 5530.429 16:00 2022-08-08 5518.454 16:00 2022-07-22 5487.627 18:00 -
Time Period Date Load (MW) Hour Ending Nov 1 - Oct 31 2022-01-27 7500.983 08:00 -
Time Period Date Load (MW) Hour Ending Dec 1 – Mar 31
or
Jun 1 - Sep 302022-01-27 2830.312 09:00 2022-06-16 2800.822 14:00 2022-07-20 2795.491 17:00 2022-06-22 2768.598 15:00 2022-08-08 2766.988 17:00 -
Time Period Date Load (MW) Hour Ending Jun 1 - Sep 30 2022-08-09 10147.018 17:00 2022-08-08 9715.669 18:00 2022-08-04 9576.08 18:00 2022-07-20 9515.353 18:00 2022-07-21 9468.006 18:00 -
Time Period Date Load (MW) Hour Ending Jun 1 – Sep 30 2022-07-20 147715.655 18:00 2022-07-21 145526.838 17:00 2022-07-22 144647.596 18:00 2022-08-08 143393.144 16:00 2022-08-03 142416.969 18:00

1PeakAdvisory program is not applicable for customers in AEP Ohio, AES Ohio, Duke Energy and First Energy utilities.
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