Tennessee Valley Authority OIG

In June 2019, the Tennessee Valley Authority (TVA) completed an Integrated Resource Plan and recommended the expansion of solar generating capacity by up to 14,000 megawatts (MW) by 2038. According to TVA’s fiscal year 2020 Sustainability Report, TVA set a sustainability aspiration to achieve 10,000...

The Tennessee Valley Authority’s (TVA) Power Supply Plans (PSPs) combine optimized capacity and generation plans that balance load and power supply and provide detailed dispatch and generation forecasts used in resource decisions, budgeting, and analysis. PSPs incorporate key planning assumptions...

We performed an audit of costs billed to the Tennessee Valley Authority (TVA) by GE Vernova International, LLC (GEVI) for parts and services for the covered units at the Allen Combined Cycle Plant as part of a long-term service agreement under Contract No. 11930. Our audit objective was to determine...

According to Tennessee Valley Authority (TVA) Standard Programs and Processes 26.003, Community Contributions, TVA helps enable a better quality of life in the communities it serves (1) through its work in energy, the environment, and economic development and (2) by supporting educational and...

The Tennessee Valley Authority (TVA) performs an annual cost of service study that, according to Commercial Energy Solutions Standard Programs and Processes 21.7.3, Cost of Service, “is used to estimate the cost to TVA of serving particular classes of customers and to compare that cost to the...

At the request of the Tennessee Valley Authority’s (TVA) Supply Chain, we examined the cost proposal submitted by a company for engineering and construction services in connection with the validation phase of TVA’s Small Modular Reactor and Clinch River Nuclear project. Our examination objective was...

At the request of the Tennessee Valley Authority (TVA) Supply Chain, we examined the contractor’s cost proposal for work in connection with the validation phase of TVA’s Small Modular Reactor and Clinch River Nuclear project. Our examination objective was to determine if the cost proposal was fairly...

We are pleased to present our report for the period April 1, 2024, to September 30, 2024. In this semiannual period, our audit, evaluation, and investigative activities identified more than $48.4 million in questioned costs; funds put to better use; recoveries, fees, and fines; and opportunities for...

Proper practices and procedures can reduce the number of accidents resulting from an inadvertent release of hazardous energy, according to the Occupational Safety and Health Administration. The Tennessee Valley Authority’s Safety Procedure 18.613, Clearance Procedure to Safely Control Hazardous...

In keeping with its responsibilities under the Inspector General Act of 1978, as amended, the OIG monitored the audit of TVA's fiscal year 2024 financial statements performed by Ernst and Young LLP (EY) to assure their work complied with Government Auditing Standards. Our review of EY's work...