Maryland has for two decades relied on competitive wholesale markets within the PJM Interconnection (PJM) regional transmission organization (RTO) to procure low-cost and reliable power. Maryland customers have benefitted enormously from participation in the broad regional marketplace for electricity, saving on the order of $270-340 million per year from wholesale power market participation. These savings have derived largely from efficient generation dispatch across the large multi-state region, reductions in the quantity of resources needed to maintain reliability, and competition in PJM’s markets that spurred innovative technologies such as demand response and low-cost new generation.

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