FirstEnergy Corp. (NYSE: FE) subsidiary The Illuminating Company is teaming with the City of North Olmsted in Cuyahoga County to begin a $590,000 streetlight conversion project later this year to replace about 2,440 existing streetlight fixtures with LED lights. The new LEDs are about 50% more efficient than the previous high-pressure sodium lights and are expected to save the city an estimated $144,650 in energy costs annually. They are also expected to last 15 to 20 years, compared to t...