National Grid Ventures, co-owner of Long Island’s first two battery storage plants, has withdrawn plans for a half-dozen other plants across the region, even as it works with partner NextEra Energy Resources to overhaul a plant in Montauk that’s offline. National Grid Ventures, a division of London-based National Grid whose U.S. operation owns a fleet of Long Island power plants and the regional natural gas system, had been listed in a state grid-connection database as proposing battery plants in West Babylon, Southampton, Far Rockaway, Port Jefferson, Wading River and Glenwood Landing.

Together the projects represented hundreds of megawatts of potential energy storage, some using space at power stations National Grid owns from its acquisition of KeySpan in 2007. (The plants were previously owned by the former LILCO.)

Mark Harrington reports in NEWSDAY that New York Independent System Operator, which manages requests to connect to power grids across the state, previously had proposals for about 60 battery-storage facilities for Long Island in 2025. That list has since been whittled to 20. "National Grid is not planning to develop any additional battery sites on Long Island at this time," other than the two on the South Fork, National Grid Ventures spokesman Will Brunelle told NEWSDAY. "The other proposals were withdrawn in favor of opportunities that better aligned with our business priorities."

National Grid was listed as proposing battery plants in Wading River, Southampton and Glenwood Landing. The two existing facilities on the South Fork, in Montauk and in East Hampton, have been operating under contract to LIPA since 2018. LIPA’s 20-year contracts to use the facilities, which are rated at 5-megawatts each, amount to a combined $109 million.

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Suffolk County health department testing of Peconic River samples following last week’s sewage discharge at an East Main Street construction site have shown “bacteriological indicator levels …. well below NYS Standards for bathing beaches” a health department official wrote in an email to Riverhead Sewer District Superintendent Tim Allen yesterday. Denise Civiletti reports on Riverheadlocal.com that the Suffolk Health Department has lifted a Jan. 14 health advisory urging the public against recreating in the tidal waters of the Peconic. The agency said in a press release “recent analysis of surface water samples collected from the potentially affected area indicates this area is suitable for primary contact recreation.” “SCDHS took multiple rounds of samples for bacterial contamination at various locations in the tidal portion of Peconic River. Results were unremarkable and do not suggest any sewage-related contamination,” Suffolk County Associate Public Health Sanitarian Nancy Pierson said in her email to Allen. A break in a Riverhead Sewer District pipe at the 203-213 East Main Street construction site on Jan. 14 resulted in a discharge of approximately 10,000 gallons of untreated wastewater at the site, located a short distance from the river. Allen said last week the situation was quickly “mitigated” and there was no visible evidence of the discharged wastewater contaminating the river. The property under construction is being developed by Heatherwood with a 165-unit apartment building. Allen told the Riverhead Town Board last Thursday that the discharged wastewater “saturated into the ground” so “there was no cleanup.” The contractor has a dewatering box on site because the shallow depth to groundwater requires dewatering during excavation for sewer pipes and the building foundation.

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The Calverton Civic Association is urging members of the public to attend this evening’s Riverhead Town Zoning Board of Appeals meeting at 6 p.m. to raise concerns about a proposed construction and demolition debris processing plant at 1792 Middle Road, which is currently the site of a single family...