Governors' Wind Energy Coalition Largest grid operator advances overhaul of FERC market rule Source: By Jeffrey Tomich, E&E News reporter • Posted: Sunday, July 11, 2021 Grid operators monitoring electricity use in a control room in PJM Interconnection’s headquarters near Valley Forge, Pa. PJM Interconnection The operator of the bulk power grid across parts of the Mid-Atlantic and Midwest is proposing to revamp controversial market rules — a change that could empower states to reshape energy policies to address climate goals. The updated rules by PJM Interconnection LLC were approved by the grid operator’s board yesterday and are expected to be filed with federal regulators by mid-month.