The latest New England Independent System Operator (ISO) capacity auction for 2027-28 saw a surge in demand for coal, while solar, storage and wind all increased their market share. Approximately 950 energy resources successfully bid to provide capacity, with 603 of these being solar power or solar-plus-storage facilities accounting for 16.6 GW of the total 31.5 GW of capacity. The smallest facility, Grasshopper 142 Blackstone, in Massachusetts, secured a bid for 77.1 MW of capacity, while Three Corners Solar in Maine secured 77.5 MW. The largest resource in New England to win capacity was the Seabrook Nuclear Power Plant in New Hampshire. In 2019, Sunrun secured capacity payments for a distributed solar and storage portfolio for the first time, with delivery beginning in fall 2022.
Solar Dominates US Energy Capacity Growth
The Federal Energy Regulatory Commission (FERC) has published data showing that solar accounted for over 75% of US electrical generating
