Tennessee Valley Authority OIG

We reviewed the physical and environmental controls at two of TVA's data centers to determine the adequacy of (1) physical controls to ensure only authorized access to system resources and (2) environmental controls to appropriately protect computing assets from hazards. We determined both data...

We reviewed $615.5 million TVA paid a contractor from 1999 through 2004 for providing modification and supplemental maintenance services for TVA's fossil plants. We questioned $833,655, including (1) payroll taxes and G&A costs where recovery rates for these costs had been applied to non-salary...

We reviewed controls pertaining to program and data backup storage and retrieval for TVA's data centers and the physical controls of an offsite storage facility to determine if controls surrounding the backup storage and retrieval process were adequate to ensure ongoing system operations, and if...

We compared invoiced vendor/terminal weights to TVA delivered weights for both WCF rail and barge coal deliveries. We found (1) significant variances between vendor/terminal invoiced weights and TVA delivered weights, (2) weights were not recorded for many coal shipments, and (3) delivery weight...

We found no instance where TVA's external auditor's reviews of TVA interim financial information for the third quarter of FY 2005 did not comply with Government Auditing Standards in all material respects, including required communications to appropriate parties.

The Office of the Inspector General performed an audit to determine if TVA’s security controls were appropriately configured to protect corporate Wi-Fi networks. Our scope was limited to Wi-Fi networks maintained by TVA’s Technology and Innovation organization. We determined TVA’s security controls...

The Tennessee Valley Authority’s (TVA) Executive Policy 37.000, Real Property, states that a strategic guiding principle for management of TVA’s real-property portfolio is to “manage real property from an enterprise perspective and invest in core assets to improve condition, safety, and utilization...

The Office of the Inspector General performed an audit to determine the effectiveness of the Tennessee Valley Authority’s (TVA) business application retirement process. Our scope included application retirement requests in TVA’s ticketing system as of December 6, 2023. We determined TVA's business...

We included an audit of the Tennessee Valley Authority’s (TVA) management of early payment discounts on vendor invoices in our annual audit plan as a follow up to audit 2017-15500, Early Payment Discounts on Vendor Invoices, dated May 30, 2018, where we reported TVA missed 19 percent of all early...

Due to the risk of employee exposure to airborne radioactive materials and industrial/chemical airborne hazardous materials at the Tennessee Valley Authority’s (TVA) nuclear plants, we performed this evaluation of the radiological respiratory program. We found the selected respiratory requirements...