Tennessee Valley Authority OIG

At the request of the Tennessee Valley Authority's (TVA) Supply Chain, the OIG examined a cost proposal submitted for engineering and management services for hydroelectric power train and associated systems. Our objective was to determine if the vendor's cost proposal was fairly stated for a planned...

As part of its annual audit plan, the OIG audited $16.7 million in costs billed to the Tennessee Valley Authority (TVA) by EnergySolutions, LLC (ES) under Contract No. 69836. The contract provided for ES to furnish personnel, equipment, chemicals, and consumables necessary to process liquid...

The OIG audited cyber security at a power generation facility to determine (1) the adequacy of physical and environmental controls, logical security controls, network infrastructure controls, and general controls such as backup and recovery, change control, and incident response, and (2) compliance...

The OIG audited the payments TVA made to Seven States Power Corporation (Seven States) under Contract No. 544179 for a demand response pilot study in which Seven States was to demonstrate its capability to provide aggregated demand response (ADR) services. Under the ADR Proof of Concept (POC)...

The OIG completed procedures agreed to by TVA and the Center for Resource Solutions (CRS) to assist in determining TVA's compliance with the annual reporting requirements of the CRS's Green-e Energy program for the reporting year 2015. Results of the agreed-upon procedures applied were provided to...

As part of the OIG's annual audit plan, we audited $172.6 million in costs billed to the Tennessee Valley Authority (TVA) by Medco Health Solutions, Inc. (Medco), for prescription drug benefits services from January 1, 2012, through December 31, 2013, under Contract No. 00077345. The contract...

The objective of this evaluation was to determine if the Tennessee Valley Authority's (TVA) delivered costs of fuel included all appropriate costs and were calculated consistently across commodities. We hired a consultant, Synapse Energy Economics, Inc. (Synapse), to (1) review TVA's delivered cost...

In 2008, the Tennessee Valley Authority's (TVA) Office of the Inspector General (OIG) performed an audit (2007-11348, Information Services Organizational Effectiveness, March 27, 2008) on the effectiveness of the Information Technology (IT) organization and made several recommendations for...

The OIG audited costs billed to the Tennessee Valley Authority (TVA) by ABB, Inc. (ABB), for providing large and medium power transformers under Contract No. 4645. Our audit included $83.3 million in costs paid by TVA between June 1, 2011, and March 31, 2015. Our objective was to determine if the...

At the request of the Tennessee Valley Authority (TVA) Supply Chain, the OIG examined the cost proposal submitted by a contractor for construction management services. Our objective was to determine if the contractor's cost proposal was fairly stated for a planned $100 million contract. In our...