Tennessee Valley Authority

The Office of the Inspector General found Coal and Gas Services (CGS) met its reliability metrics for gas and coal in fiscal year (FY) 2015 through January, FY 2016. However, some of its cost-effectiveness and fuel flexibility targets during the same period were not met because of outside factors...

The Office of the Inspector General audited local rate adjustments processed during fiscal year 2015 to determine if TVA's process for reviewing Local Power Company (LPC) rate change requests complied with the approved Revised Rate Review Process (RRRP) in the TVA regulatory policy. We found TVA's...

The Office of the Inspector General previously conducted a review of Corporate Accounting (Evaluation Report 2015-15313, issued November 5, 2015) to identify operational and cultural strengths and areas for improvement that could impact Corporate Accounting's organizational effectiveness. Our report...

Along with steam, the coal combustion process produces hot gases (called flue gases), including sulfur dioxide, nitrogen oxides, and ash particles. Flue gas moves through ductwork to various air pollution control devices prior to being emitted through the stack. The objective of our evaluation was...

The OIG audited TVA's fraud risk management activities to determine if it had incorporated the practices in its organizational culture and structure conducive to fraud risk management as identified by the U.S. Government Accountability Office (GAO) framework for managing fraud risk. In summary, we...

This report is a follow-up to an interim report we issued on July 11, 2016 regarding TVA's proposed sale of Bellefonte Nuclear Plant site (Evaluation 2016-15376). Under the interim report we determined TVA had taken reasonable actions to date to promote transparency of the sales process and...

Maintenance personnel at coal plants use firearms (i.e., shotguns) to remove boiler slag, which is the buildup of molten ash. The objective of this evaluation was to determine if firearms and ammunition at coal plants are properly accounted for and safeguarded. In summary, we determined TVA does not...

The Tennessee Valley Authority (TVA) uses bulk industrial gases, including oxygen, hydrogen, nitrogen, and carbon dioxide as part of its normal operations. Due to hazards associated with handling bulk industrial gases and the importance of worker and public safety at TVA, the OIG initiated an audit...

The OIG assessed operational and cultural strengths and areas for improvement that could impact Bull Run Fossil Plant's (BRF) organizational effectiveness. We determined, overall, BRF has significant opportunity to improve its effectiveness. While we identified strengths associated with trust of...

We assessed operational and cultural strengths and areas for improvement that could impact Kingston Fossil Plant's (KIF) organizational effectiveness. We determined overall, KIF has significant opportunity to improve its effectiveness. While we identified strengths associated with trust of first...