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capacity markets


Market Transitions: The MOPR Merry-Go-Round

The PJM Interconnection’s Minimum Offer Price Rule (MOPR) was introduced in 2006 as a floor to bar new generators from artificially depressing capacity auction clearing prices through below-cost bids. In…


FERC Nixes PJM’s Fixes for Capacity Market Besieged by Subsidized Resources
FERC-Federal-Energy-Regulatory-Commission

In a 3–2 decision, the Federal Energy Regulatory Commission (FERC) rejected approaches filed by PJM Interconnection to reform its capacity market, whose integrity and effectiveness has been increasingly and “untenably…


MISO: Avoiding the Mess Facing Other Wholesale Competitive Electric Markets

The Midcontinent Independent System Operator’s (MISO’s) geographic footprint extends down the middle of the U.S. Because of the structure of its market, MISO has artfully avoided some nasty policy and…


FERC Order 745 and the Epic Battle Between Electricity Supply and Demand

From its modest origins as a way to shed load when the grid is stressed, demand response (DR) has grown to be a significant player in electricity markets. In the…


PJM Tightens Capacity Market Rules to Improve Reliability

The effects of the January 2014 polar vortex have led to big changes in the PJM capacity market, as the board has approved changes to tighten up operations and improve…