Tennessee Valley Authority OIG

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

We audited $9.5 million of costs billed to TVA by a contractor for providing assistance in implementing a Power System Optimization Project. In summary, we found the contractor had overbilled TVA $234,406 including (1) $227,763 in overstated subcontractor costs and (2) $6,643 in unsupported...

The OIG performed a review of the City of Chattanooga Electric Power Board (Chattanooga) which is based in Chattanooga, Tennessee and a distributor of TVA power. Our review of Chattanooga found issues involving customer classification and metering that could impact (1) the proper reporting of...

We reviewed a contractor's tool program for the Watts Bar Nuclear plant (WBN) Unit 2 construction project. Our objective was to assess the procedures and key control activities used to track and account for tools used in the Watts Bar Nuclear (WBN) Unit 2 construction project. Our review of the WBN...

TVA Office of the Inspector General retained Marshall Miller & Associates, Inc. (Marshall Miller) to conduct a peer review of the report entitled "Report of Geotechnical Exploration and Slope Stability for Dike C," prepared by Stantec Consulting Services, Inc. (Stantec) of Lexington, Kentucky. In...

We performed an audit $3.3 million in payments made by TVA to a contractor for geotechnical services between January 2003 and July 15, 2009. In summary, we determined the contractor overbilled TVA $395,479 as follows:$216,865 in labor costs, including (1) $110,016 due to the use of hourly billing...

This review was the fourth in a series of reviews that will benchmark TVA's performance in key areas and answer the question, "How is TVA doing in regard to environmental performance." In conducting this review we: (1) assessed environmental performance, including key performance measures and, (2)...

As part of our annual audit plan, we audited $35.07 million in costs billed to TVA by a contractor for providing quality control inspections and nondestructive examinations under two contracts. In summary, we found TVA had been overbilled $159,662 under one of the contracts, including (1) $136,030...

The OIG performed a review of the City of Scottsboro Electric Power Board (Scottsboro) which is a distributor for TVA power based in Scottsboro, Alabama. Scottsboro also operates a telecommunications department that offers cable, internet, and telephone services. Also, Scottsboro is one of four...