All Reports

At the request of the Tennessee Valley Authority's (TVA) Supply Chain and Senior Vice President, Generation Construction, the OIG audited the costs billed to TVA by AMEC Environment and Infrastructure, Inc., (AMEC) for loading coal combustion by-products from the spill at TVA's Kingston Fossil Plant onto rail cars and/or trucks for off-site disposal under an advance authorization agreement (AA) and AMEC's contract with TVA. The audit included $19.3 million in costs billed to TVA from June 2, 2009, through January 13, 2011.

The OIG audited the distributor compliance assessments completed through December 31, 2012, to determine if (1) the assessments were adequately planned and performed to verify distributors' compliance with key provisions of the wholesale power contract, (2) the assessments were performed in accordance with the Distributor Compliance Charter and applicable policies, and (3) there was adequate segregation between the group charged with developing, interpreting, and implementing TVA's retail regulatory policy, Retail Regulatory Affairs, and the group responsible for assessing distrib

Because of the importance of a reliable transmission system, the OIG audited the risk of significant equipment failure in the Energy Delivery (ED) organization. ED identified four specific actions in its enterprise risk management documentation to mitigate the risk of significant equipment failure. We found the identified mitigation strategy and supporting actions were appropriately designed; however, a lack of funding to the asset preservation program contributed to ED's inability to effectively reduce the risk as planned.

The OIG audited $4.8 million in costs billed to the Tennessee Valley Authority (TVA) by Nol-Tec Systems, Inc., to design, furnish, and install hydrated lime injection systems for SO3 mitigation at various TVA fossil plants.

The OIG investigated allegations that TVA Board Chairman William "Bill" Sansom's personal financial interests and position at TVA constituted a conflict of interest and that he had a relative who worked at TVA in violation of TVA's nepotism policy. Federal conflict of interest law prohibits federal officials and employees from acting on a particular matter in their official capacity which affects personal financial interests. There was no evidence Mr.

The OIG completed agreed-upon procedures to assist the Center for Resource Solutions (CRS) in determining TVA's compliance with the annual reporting requirements of the CRS Green Pricing Accreditation Program for the year ended December 31, 2012. The results of the procedures performed, which were related to TVA's renewable energy initiative, "Green Power Switch," were provided to the CRS. Summary Only

We audited the risk program at Bellefonte Nuclear Plant (BLN) to determine the adequacy of TVA's consideration of risks associated with the construction of BLN Unit 1. The scope included BLN construction risk management program activities beginning August 2009 through November 2011 and subsequent changes to the risk management program. We determined that while a renewed emphasis has been placed on BLN's risk management program, previous program failures indicated significant improvements to the program were needed.

As a result of delays and overruns on the Tennessee Valley Authority (TVA) Watts Bar Nuclear Unit 2 (WBN U2) construction project, questions have been raised about the quality of the work performed. Nuclear Construction (NC) Quality Assurance (QA) plays a key role in ensuring that work completed meets high-quality standards. The objective of our review was to determine if the NC QA program was effective in its oversight of the WBN U2 construction project.

The OIG audited the costs billed to the Tennessee Valley Authority (TVA) by MPW Industrial Services, Inc. (MPW) for providing hydroblasting services at TVA locations under Contract No. 38764. Our scope included $2.33 million in costs paid by TVA from January 7, 2009, to December 27, 2011. This amount included $1.88 million paid under Contract No. 38764 and $0.45 million paid under stand-alone purchase orders which incorporated the pricing terms of Contract No. 38764.