Exelon provoked ire among ISO-NE stakeholders after signaling it plans to keep its Mystic plant open after expiration of its cost-of-service agreement with the RTO.

FERC rejected ISO-NE Tariff revisions to clarify that resources retained for fuel security reasons will not be retained for other reasons once the fuel security retention period ends.

FERC rejected Exelon’s request to allow it the option to terminate its cost-of-service agreement to keep Mystic Units 8 and 9 in operation until 2024.

ISO-NE announced its first competitive transmission solicitation to address concerns associated with the retirement of the Mystic Generating Station.

ISO-NE identified a 160-MVAR reactor at National Grid’s Golden Hills 345-kV substation as a key part of its solution to Boston’s 2028 needs.

NEPOOL’s Reliability Committee did not endorse ISO-NE’s installed capacity requirement values, as the Generation and Supplier sectors voted in opposition.

Despite a few bumps, scrapes and scares throughout the year, ISO-NE delivered on time by dispatching key market initiatives.

FERC voted 2-1 to approve ISO-NE’s cost-of-service agreement with Exelon for its Mystic plant, including payments to the company’s Distrigas LNG facility.

FERC tentatively accepted a cost-of-service agreement between Exelon and ISO-NE for Mystic 8 and 9, ordering an expedited hearing process.

FERC denied ISO-NE’s request for a Tariff waiver to keep Exelon’s Mystic plant running, instead ordering the RTO to allow cost-of-service agreements.