Latest Reports

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Office of Inspector General
  • Management Letter: DOE-OIG-26-30
    Document
    April 13, 2026
    Internal Control Weaknesses Identified During the Southwestern Federal Power System’s Fiscal Year 2024 Combined Financial Statements Audit
    Office of Inspector General
  • Financial Statement Audit: DOE-OIG-26-29
    Document
    April 13, 2026
    The Southwestern Federal Power System’s Fiscal Year 2024 Combined Financial Statements Audit
    Office of Inspector General
  • Inspections and Evaluations Peer Review 2025
    Document
    April 10, 2026
    September 30, 2025 Report on the System of Quality Control of the Inspection and Evaluation Function of the Department of Energy, Office of the Inspector General
    Office of Inspector General
  • Evaluation: DOE-OIG-26-28
    Document
    April 2, 2026
    The Department of Energy Took Actions Necessary to Implement the Cybersecurity Information Sharing Act of 2015
    Office of Inspector General
  • Audit: DOE-OIG-26-27
    Document
    March 30, 2026
    Jefferson Science Associates, LLC’s Costs Incurred and Claimed for Fiscal Years 2019 and 2020 Under Contract No. DE-AC05-06OR23177
    Office of Inspector General
  • Audit: DOE-OIG-26-26
    Document
    March 30, 2026
    Fluor Federal Petroleum Operations, LLC’s Costs Incurred and Claimed for Fiscal Years 2017 Through 2020 Under Contract No. DE-FE0011020
    Office of Inspector General
  • Audit: DOE-OIG-26-25
    Document
    March 30, 2026
    Opportunities Exist to Improve the Department’s Oversight of Demonstration and Deployment Projects
    Office of Inspector General
  • Audit: DOE-OIG-26-24
    Document
    March 30, 2026
    Additional Actions Will Help the National Nuclear Security Administration Realize Guaranteed Savings Through Its Energy Savings Performance Contract With Siemens Government Technologies Inc. at Pantex Plant
    Office of Inspector General
  • Audit: DOE-OIG-25-25
    Document
    March 18, 2026
    The Office of Nuclear Energy’s Contract Award to American Centrifuge Operating, LLC (Centrus) for the High Assay Low Enriched Uranium Demonstration Project
    Office of Inspector General
  • Audit: DOE-OIG-26-24
    Document
    March 17, 2026
    Additional Actions Will Help the National Nuclear Security Administration Realize Guaranteed Savings Through Its Energy Savings Performance Contract With Siemens Government Technologies Inc. at Pantex Plant
    Office of Inspector General