TULSA, Okla. - In an effort to keep Lake Eufaula stakeholders up to date on lake conditions, the Tulsa District, U.S. Army Corps of Engineers, provides the following information:Southwestern Power Administration (SWPA) estimates weekly generation for January 30-February 5, 2011 at 1,300 Mega Watt hours (2-3 hours per day with all three hydropower