By Dan Cwalinski, Director of Contracts and Pricing

Following a two-year delay, PJM Interconnection held the 2022/2023 Base Residual Auction (BRA) from May 19, 2021 through May 25, 2021 and published the results on June 2, 2021. The 2022/2023 BRA is the third auction where PJM has procured 100% Capacity Performance Resources, which, according to PJM, are resources capable of sustained, predictable operation, and are expected to be available and capable of providing energy and reserves when needed throughout the entire Delivery Year.

BRAs are typically held three years in advance of the Delivery Year, however, the 2022/2023 BRA that was originally scheduled for May 2019 was postponed while FERC considered changes to capacity market rules, principally the new Minimum Offer Price Rules (MOPR). This was the first BRA that concluded under the new MOPR, which requires PJM to establish resource based MOPRs for both new and existing resources that either collect, or are eligible to collect, state subsidies in order to prevent artificially low capacity prices.

PJM has since compressed the future BRA schedule to eventually return to a dynamic where the capacity auction is held three years in advance of the Delivery Year. The traditional BRA timing will resume in May 2024 with the 2027/2028 Delivery Year.

auction schedule table by month and year

The 2022/2023 BRA concluded with the procurement of 144,477.3 MW of unforced capacity representing a reserve margin of about 19.9%. Resource

Clearing Prices (RCP) for the RTO in BRA 2022/2023 were $50/MW-day which is much lower than in BRA 2021/2022 where the RTO RCP was $140/MW-day. Constrained Locational Deliverability Areas (LDAs) for 2022/2023 were MAAC, EMAAC, BGE, COMED, and DEOK while constrained LDAs for 2021/2022 were EMAAC, PSEG, BGE, ATSI, and COMED.


2022/23 constrained LDAs table

A few elements that contributed to the lower 2022/2023 BRA resource clearing prices relative to 2021/2022 BRA are below:

Supply Side Elements:

Overall, offer prices from supply resources in BRA 2022/2023 were lower in this auction than the previous auction.

Demand Side Elements:

The forecasted peak load for the PJM RTO was lower for the 2022/2023 Delivery Year than for

the 2021/2022 Delivery Year by 2,418.4 MW or 1.6%. The lower forecasted peak load along with a lower Reserve Margin (19.9% versus 21.5%) and pool-wide Equivalent Demand Forced Outage Rate (EFORd) translated to a 3,086 MW decrease in the overall reliability requirement for the RTO compared to the 2021/2022 BRA.

The Net CONE (Cost of New Entry) also decreased by 19% for the RTO as well as each of the modeled LDAs. The decrease in the individual LDA Net CONE values varied from 7.4% in BGE to 28.0% for the COMED.

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