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ISO: interconnection queue now dominated by batteries; quarter of proposals have executed agreements
Summary
ISO New England told senators that most new proposals in the interconnection queue are grid‑scale batteries, many projects remain in earlier stages, and roughly one quarter of ~40,000 MW in the queue have executed interconnection service agreements.
ISO New England staff briefed the Senate Natural Resources & Energy Committee on the region’s interconnection queue and the recent dominance of battery storage proposals.
Sarah Adams told the committee that the interconnection queue now contains a mix of resources markedly different from 2017: where earlier filings included substantial natural gas and wind proposals, most new filings are for lithium‑ion battery projects paired with other…
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