Federal Reports

The Office of Inspector General is required by statute to annually identify what it considers to be the most significant management challenges facing the Department of Energy. The Office of Inspector General’s goal is to focus attention on significant issues with the objective of working with Department officials to enhance the effectiveness of agency programs. 

This year’s management challenges report provides a high-level view of five challenge areas with specific challenges facing the Department in each area. We identified the different challenges based on our completed and ongoing work, including audits, inspections, investigations, our prior Management Challenges reporting, our risk assessments, and our assessment of ongoing national and Congressional interest. Our intent is to provide the Secretary, other policymakers, and the public with a brief overview of the challenges facing the Department and a starting point to learn more. 

This report should assist the Secretary and senior Department officials in addressing its challenges, as well as illustrate the progress that the Department has made to address the challenges.

The U.S. Postal Service’s mission is to provide timely, reliable, secure, and affordable mail and package delivery to more than 160 million residential and business addresses across the country. The U.S. Postal Service Office of Inspector General reviews delivery operations at facilities across the country and provides management with timely feedback in furtherance of this mission. 

This interim report presents the results of our self-initiated audit of delivery operations and property conditions at the Cleveland Heights Branch in Cleveland Heights, OH. The Cleveland Heights Branch is in the Ohio 1 District of the Central Area and serves about 59,123 people in ZIP Codes 44112 and 44118, which are considered urban communities.

Audit of the Federal Labor Relations Authority's Financial Statements for Fiscal Year 2025

The Tennessee Valley Authority (TVA) has 109 conventional hydroelectric generating units with a capacity of 3,783 megawatts (MW). The hydro fleet supports TVA’s mission of providing clean, reliable, and affordable electricity to people and businesses of the Tennessee Valley.  As of 2021, 53 of TVA’s 109 hydro units had low asset health scores indicating the need for repair.  To extend the life of the hydro fleet, the Hydro Life Extension (HLE) program was formed in 2021.  Due to the importance of TVA’s hydro fleet in providing low cost, clean, and reliable energy, we performed an evaluation of TVA’s HLE program to determine if the program was achieving intended results.

We determined the HLE program achieved the intended results on completed projects for availability, efficiency, and flexibility, but did not meet the efficient project execution goal for some projects.  Specifically: 

• All hydro units that have completed an HLE project have availability greater than 85 percent.
• All 4 hydro units that have completed a turbine replacement as part of an HLE project met contractual vendor efficiency guarantees and increased efficiency.
• All hydro units that have completed an HLE project achieved their intended result to increase generation output capability.  In total, the HLE projects added an additional 29 MWs of capacity.
• All HLE projects met budget targets, but only two met In Service Date (ISD) targets.  Variances between target and actual ISDs ranged from 59 to 261 days. 

While HLE projects have increased the maximum output capability, these additional MWs cannot be transmitted to the system due to transmission limits for the hydro sites. The transmission limits (1) were not evaluated during HLE project planning and (2) have not been increased due to a lack of funding.  In addition, we found one lesson learned related to cost and schedule had not been incorporated into future projects as required.

Statement on Auditing Standards AU-C 260 Letter

AU-C 265 Management Letter