Con Ed is asking residents in some parts of Brooklyn to stop using "non-essential appliances" (including air-conditioning) because of power line issues. The issues have left around 2,000 customers--and keep in mind a customer can be an entire apartment building--without power in Sunset Park, Bay Ridge, Borough Park, and Park Slope. Per MyFoxNY, the "affected area includes approximately 89,000 customers, and is bounded by 3rd and 4th Streets on the north, the Gowanus Canal......