Latest Reports and News

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

August 11, 2026

The Trustees of Princeton University’s Costs Incurred and Claimed for Fiscal Years 2016 Through 2019 Under Contract No. DE-AC02-09CH11466

Audit: DOE-OIG-26-46

August 11, 2026

National Technology & Engineering Solutions of Sandia, LLC’s Statement of Costs Incurred and Claimed for Fiscal Years 2019 and 2020 Under Contract No. DE-NA0003525

Audit: DOE-OIG-26-45

August 11, 2026

The Department of Energy’s Payment Integrity Reporting in the Fiscal Year 2025 Agency Financial Report

Audit: DOE-OIG-26-44

July 28, 2026

Savannah River Nuclear Solutions, LLC Generally Met Requirements for Site Access and Security Badging at the Savannah River Site

Audit: DOE-OIG-26-43

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