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New York City's major power line goes offline for the second time this July

The $6 billion transmission system that was designed to bring Canadian hydropower to New York City has been shut down a second time in the last month. This disrupted a clean energy project that was meant to reduce New York City's dependence on dirty fossil fuel generators. The 1,250 megawatt Champlain Hudson Power Express transmission line (CHPE) can provide up to 20% New York City electricity. Hydro-Quebec announced on Monday that the transmission line is offline because of a cable problem. Hydro-Quebec and private-equity company Blackstone Inc. developed the project. New York ISO's data, which controls the flow of electricity in the state grid, shows that the shutdown is expected to last until at least Friday. Hydro-Quebec has confirmed that the current cable problem with?CHPE is not related to a shutdown on July 1. The line began operation in May after a 15-year planning and development period. The energy demand in New York is expected to increase this week as temperatures reach 100 degrees Fahrenheit. According to federal data, the city's reliance on generators that have?the best pollution controls will be 6 times higher than those with the most advanced emissions controls due to CHPE's power outage. The 339-mile (546km) 'power line' stretches along the length of New York State from the Canadian border up to Astoria in Queens where the?energy is fed into the New York City grid. New ISO stated that its energy demand planning studies didn't assume CHPE was available to meet summer peak demand. "That's one of the reasons why the grid worked reliably during this heatwave earlier in August." While reserves were tight, we had enough generation and reliability resources to meet the demand regardless of CHPE status," New York ISO spokesperson Kevin Lanahan stated. (Reporting by Tim McLaughlin, Editing by Chizu Gregorio and David Gregorio).

(source: Reuters)