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October 21, 2026

Battelle Energy Alliance, LLC’s Costs Incurred and Claimed for Fiscal Years 2022 and 2023 Under Contract No. DE-AC07-05ID14517

Audit: DOE-OIG-27-03

October 14, 2026

Additional Effort Is Needed to Improve the Department of Energy’s Unclassified Cybersecurity Program – 2025

Evaluation: DOE-OIG-27-02

October 9, 2026

Action Needed to Ensure Centerra-Savannah River Site Appropriately Manages High-Risk Property at the Savannah River Site

Audit: DOE-OIG-27-01

October 8, 2026

The Department of Energy Has Made Limited Progress Implementing the Geospatial Data Act of 2018

Audit: DOE-OIG-26-52

October 1, 2026

Work Plan FY2027

FY2027 OIG Annual Audit Plan

September 30, 2026

Improvements Needed to Reduce Risk of Unauthorized Access to Highly Sensitive Data and Personally Identifiable Information

Management Alert: DOE-OIG-26-51

September 25, 2026

Internal Control Weaknesses Identified During the Southwestern Federal Power System’s Fiscal Year 2025 Combined Financial Statements Audit

Management Letter: DOE-OIG-26-50

September 25, 2026

The National Nuclear Security Administration Is Correcting an Oversight Lapse in the Department of Energy’s Aviation Management Program

Audit: DOE-OIG-26-49

September 25, 2026

The Southwestern Federal Power System’s Fiscal Year 2025 Combined Financial Statements Audit

Financial Statement Audit: DOE-OIG-26-48

September 23, 2026

Actions Needed to Strengthen the Department of Energy’s Accountability of Explosives

Audit: DOE-OIG-26-47

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