The U.S. Army Corps of Engineers will increase camping fees at Greers Ferry Lake beginning Jan. 1. Non-electric sites will increase to $18, electric sites (30/20 amp) $22, electric (50 amp) $24, electric (30/20 amp and water) $26 and electric (50 amp and water) $28. The fees are used to recover a portion of the cost of administering, operating, maintaining and improving the parks.