Tennessee Valley Authority

The OIG audited electronic communications by the TVA Board of Directors. The objective was to evaluate controls over the electronic distribution of TVA business information to and from the Board by non-TVA managed mediums. We determined current Board email practices were consistent with the...

Fires in substations can severely impact the supply of power to customers and the utility company's revenue and assets. These fires can also create a fire hazard to utility personnel, emergency personnel, and the general public. There are 14 sites managed by Transmission that have fire protection...

Due to TVA aging equipment and the risk parts would be unavailable, the OIG scheduled a review of Hydro Generation obsolete equipment. The objective of our review was to determine if Hydro Generation was effectively managing obsolete equipment. During our review, we found Hydro Generation could more...

In response to increasing workplace violence occurring throughout the country and weaknesses identified in a previous OIG evaluation, 2012-14636 - Master Key Program Management - Property and Natural Resources, the OIG initiated a review of TVA firearms and ammunition. The objective of our review...

This review was initiated to assess recent efforts by the TVA Nuclear Power Group (NPG) to improve outage performance. The objective of the OIG's review was to determine whether the initiatives implemented by the NPG to improve outage performance achieved planned results and current improvement...

The likelihood of fire is lower at hydro plants than at coal plants, but hydro plants are not without fire risk. Hydroelectric stations share many of the same fire hazards as coal plants, such as oil-filled transformers, electrical cables and switchgear, air-cooled generators, and large quantities...

The OIG performed this audit to determine Enterprise Architecture and Planning's (EAP) current effectiveness and actions completed in the implementation of management action plans in response to a previous audit, and TVA IT's 1,000 Days to Success initiative (IT1K). The TVA OIG also assessed the...

At the request of the TVA Supply Chain, we reviewed a cost proposal submitted for a planned $30 million contract to provide hydro modernization, unit rehabilitation, and functional support services in support of TVA's hydro facilities. The objective of our review was to determine if the cost...

At the request of the Tennessee Valley Authority's (TVA) Supply Chain and Watts Bar Nuclear Plant Unit 2 (WBN2) construction management, we reviewed a contractor's potential rework and damages liability in association with work performed at WBN2. Our objective was to determine the reasonableness of...

The OIG audited the Area Access Manager (AAM) application to determine the adequacy of: (1) data processing and application controls to ensure data integrity and reliability, (2) logical security controls to ensure only authorized access to system resources and protection of sensitive information...