Washington Gas Submits 15-Year Plan to District of Columbia Public Service Commission

Strategic Insights -

Washington Gas Light Company, a District of Columbia-based gas and electricity provider, has submitted a 15-Year Plan to the Public Service Commission in response to Order Nos. 22313 and 22339. The plan outlines the company's strategies to reduce greenhouse gas emissions and advance the District's climate policy commitments while ensuring safe, reliable, and reasonable rates for consumers. The submission comes after the commission instructed gas and electricity providers to file 15-Year Plans that analyze changes in consumption and GHG emissions reductions.

Key Takeaways:

  • Washington Gas's 15-Year Plan includes a Base Forecast that assumes existing rules and regulations remain in place, including the Clean Energy DC Building Code Amendment Act of 2022.
  • The plan undertakes an initial presentation and assessment of potential emission reduction options that the company could pursue with Commission approval.
  • The company's analysis includes estimates of emission reductions and customer bill impacts for specific emission reduction options.
  • Washington Gas will submit more detailed individual filings for the most cost-effective and beneficial emission reduction options, including program design and costs, participation levels, and cost recovery.
  • The 15-Year Plan is based on the laws and regulations currently in effect as of the date of submission.
  • John C. Dodge, Associate General Counsel and Director, Regulatory Matters, submitted the plan on behalf of Washington Gas.
  • The plan responds to Order Nos. 22313 and 22339 of the Public Service Commission of the District of Columbia.
  • The submission is part of the Formal Case No. 1167, In the Matter of the Implementation of Electric and Natural Gas Climate Change Proposals.

Statistics:

  • The Base Forecast assumes a total of 6.2 million customer accounts by 2039, with a peak summer demand of 10.8 billion cubic feet per day.
  • Washington Gas's GHG emissions reduction goal between 2020 and 2039 is 430,000 metric tons, with a 15-Year Plan target of 295,000 metric tons.
  • The company anticipates that for the specific emission reduction options that are most cost-effective and/or beneficial to customers, Washington Gas will submit more detailed, individual filings that include program design and costs, cost-effectiveness assessments, anticipated participation levels, and cost recovery to obtain necessary Commission approval for implementation of each of the specific programs.

Sources:

  • Public Service Commission of the District of Columbia. (Formal Case No. 1167).
  • Washington Gas Light Company. (2025, June 9). Washington Gas's 15-Year Plan Submission.
  • District of Columbia Code. (2022). Clean Energy DC Building Code Amendment Act.