All Reports

The OIG audited the electric system of Memphis Light, Gas, and Water Division (Memphis), a distributor based in Memphis, Tennessee. The objective of the audit was to determine compliance with provisions of the power contract between TVA and Memphis during the period January 2009 through December 2010.

The OIG audited $15.4 million in costs billed to TVA by Pressure's On, Inc. (POI), for providing hydro blasting services at the Tennessee Valley Authority (TVA) locations, including $14.82 million in costs paid by TVA to POI as of January 16, 2009. In addition, the OIG reviewed $596,789 in costs for hydro blasting services incorrectly billed under a separate contract that TVA had with POI for vacuuming services only.

The OIG audited the electric system of Knoxville Utilities Board (KUB), a distributor based in Knoxville, Tennessee. The objective of the audit was to determine compliance with provisions of the power contract between TVA and KUB for the audit period July 2008 through June 2010.

The WBN Unit 2 construction project has experienced significant schedule and cost overruns. The project was originally expected to be completed in October 2012 at a cost of just under $2.5 billion. However, TVA will not meet these targets. On April 5, 2012, TVA announced an additional $1.5 billion to $2 billion would be required to complete the project with an estimated time of completion between September and December 2015.

In light of recent gas-related explosions in the utility industry, we conducted a review of Tennessee Valley Authority's (TVA) safety of gas line and gas plant operations. The objective of our review was to determine if TVA has taken appropriate steps to identify and mitigate risk associated with the operation of gas plants and gas lines. We found that the vast majority of gas-related explosions were gas line related. According to TVA personnel, TVA is not responsible for gas until it reaches the reducing stations on TVA property.

On Monday December 22, 2008, the ash containment area at the Kingston Fossil Plant failed. Approximately 5.4 million cubic yards of fly ash and bottom ash were released onto land and adjacent waterways.

At the request of the Tennessee Valley Authority's (TVA) Supply Chain, we audited Westinghouse Electric Company LLC's billed and estimated remaining material escalation costs under Contract No. 65717. In summary, we determined Westinghouse overbilled a net $26,917 in escalation costs and overestimated the remaining material escalation costs by $137,408.

The Office of the Inspector General performed an audit of the TVA's compliance with the Improper Payment Information Act (IPIA) for FY 2011. In summary, we found TVA was in compliance with IPIA requirements that were applicable to TVA. In our opinion, TVA was only required to comply with the IPIA requirement to conduct a program specific risk assessment. We reviewed the process used by TVA to identify programs susceptible to improper payments and noted it is in compliance with IPIA guidance.

We are pleased to present our report for the period October 1, 2011, through March 31, 2012. The theme of our semiannual is "Managing Change," and our feature highlights the challenges with managing one particular change-the decision to increase the Tennessee Valley Authority's (TVA) reliance on nuclear energy.In TVA's lengthy history, one thing that has remained constant is change.

The OIG audited the electric system of Meriwether Lewis Electric Cooperative (MLEC), a distributor based in Centerville, Tennessee. The objective of the audit was to determine compliance with provisions of the power contract between TVA and MLEC for the audit period July 2008 through June 2010.