Tennessee Valley Authority

We audited $4.27 million of costs billed to TVA by a contractor for providing preemptive full structural weld overlays on Sequoyah Nuclear Plant Units 1 and 2. In summary, we found the contractor billed TVA $320,700 in unsupported and ineligible costs including (1) $271,200 of unsupported delay...

As part of our annual audit plan, we reviewed the process for postponing and cancelling Nuclear Power Group (NPG) capital projects. Our audit objectives were to determine whether fiscal years (FY) 2007 and 2008 project postponements and cancellations were (1) properly approved, (2) effectively...

As part of our annual audit plan, we reviewed the process for postponing and cancelling Power System Operations (PSO) capital projects. Our audit objectives were to determine whether fiscal years (FY) 2007 and 2008 project postponements and cancellations were (1) properly approved, (2) effectively...

As part of our annual audit plan, we reviewed the process for postponing and cancelling capital projects. Our objectives were to determine whether fiscal years 2007 and 2008 project postponements and cancellations for River Operations (RO) were properly approved, effectively communicated, and...

As part of our annual audit plan, we reviewed the process for postponing and cancelling fossil capital projects. Our objective was to determine whether fiscal years 2007 and 2008 project postponements and cancellations were properly approved, effectively communicated, and monitored to prevent...

We audited $61.92 million in costs billed to TVA by a contractor, under two contracts for performing engineering services between October 2004 and December 2008 and found TVA had been overbilled $683,122 as follows:TVA was overbilled $70,838 because labor costs were billed using hourly billing rates...

We completed agreed-upon procedures to assist the Center for Resource Solutions (CRS) in determining TVA's compliance with the annual reporting requirements of CRS' Green Pricing Accreditation Program for the year ended December 31, 2009. The required information on TVA's renewable energy initiative...

At the request of the Chief Executive Officer, we initiated a review of records retention policies and practices at TVA. The objectives of our review were to determine (1) whether records are being maintained in accordance with TVA policies and procedures and (2) if opportunities exist to improve...

We audited $59.5 million of costs billed to TVA by a contractor for the supply of ammonia and urea for TVA's Selective Catalytic Reduction systems. In summary, we found TVA (1) overpaid the contractor $188,231 due to invoice payment errors and the contractor's use of incorrect unit prices, (2) paid...

We performed an audit of $19.1 million in costs billed to TVA by a contractor for diving services between November 2003 and September 2009. In summary, we determined TVA paid $643,700 in inflated labor costs. Summary Only