The New England energy market

A 2024 ISO New England study forecasts a 17% increase in regional electricity consumption over the next decade, a significant shift from previous projections. This surge in demand is attributed to building and vehicle electrification, the retirement of fossil fuel generators, general economic growth, and the escalating energy requirements of data centers. These developments coincide with New England's transition to cleaner energy and efforts to reduce dependence on imported fossil fuels, despite disruptions in the offshore wind industry. The region faces ongoing structural challenges in securing sufficient energy and transmission capacity, particularly as it seeks to integrate large-scale renewable sources. Massachusetts has been a key player in promoting transmission development, citing statutory climate requirements and concerns about long-term energy affordability. Regional coordination, primarily through the New England States Committee on Electricity (NESCOE), is seen as crucial for aligning transmission planning with shared policy goals of reliability, cost containment, and emissions reduction. In March 2025, ISO New England launched a landmark regional Request for Proposals (RFP) to address long-term transmission needs, specifically targeting upgrades between northern Maine, where significant onshore wind generation is anticipated, and demand centers in southern New England. The solicitation seeks proposals to increase power flows across key Maine-New Hampshire interfaces and develop new infrastructure to connect future wind generation, with a preference for projects operational by the end of 2035. Despite the clear technical need for new transmission infrastructure due to rising demand and climate mandates, the article highlights that timely project delivery remains challenging. Fragmented permitting regimes, complex multi-state coordination, environmental reviews, and local opposition often lead to years of delays, increasing costs and jeopardizing grid reliability and emissions targets. Future success will depend on early regional coordination, policy alignment, and potential reforms to siting and permitting processes.