Hours Of Operations Green Mountain Energy Pennsylvania Pittsburgh Green Mountain Energy Hours of Operation and Locations in Pittsburgh, PA 4.9 - 20 votes 1 Locations in Pittsburgh www.greenmountain.com Green Mountain Energy Hours Category: Home & Garden Green Mountain Energy - Pittsburgh, PA 15203 3859 S Water St(412) 586-7554 View Store Details Explore PittsburghView More Apparel Sam's ClubCostcoMarshallsTJ MaxxRoss Dress for Less Sports CostcoTargetNew BalanceLA FitnessDick's Sporting Goods Jewelry Sam's ClubCostcoMarshallsHobby LobbyBurlington Coat Factory Recommend For You Green Mountain Power Henry B Ball Jewelers Heritage Propane High Plains Power Home Sense Idaho Urgent Care Indianapolis Power & Light Company Jax Mercantile Lee County Electric Co-Op Matheson Tri-Gas