A pipeline extension project that would have brought natural gas to New York has been cancelled, months after a grid watchdog warned that New York state faces elevated blackout risks. Oklahoma-based Williams Companies effectively scrapped its plans to build the Northeast Supply Enhancement pipeline extension project to bring more natural gas to the New York City area, allowing crucial paperwork to expire rather than seeking extensions, according to E&E News. The pipeline extension was intended to increase grid reliability in the New York City area, a region identified by the North American Ele…