Connecticut sues United Illuminating for failing to clean up contaminated power plant

Source:, January 30, 2024
By: Phil Hall

Attorney General William Tong filed an enforcement action today against United Illuminating, a division of Avangrid (NYSE:AGR), for failing to remediate the contamination at its defunct English Station power plant in New Haven.

English Station operated as a coal and oil-fired power plant for United Illuminating from 1929 until it was deactivated in 1992. Tong said the site has been extensively contaminated with polychlorinated biphenyls (PCBs), a known carcinogen, heavy metals, and other contaminants. United Illuminating is obligated by a 2015 PURA order to remediate certain environmental conditions at English Station regardless of cost, but made little to no progress and even failed to secure the site against vandals. Read more.

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