Cascade Natural Gas Corporation (CNGC or the Company) filed its 2026-2027 Biennial Conservation Plan (BCP) on November 14, 2025, in compliance with the Revised Code of Washington (RCW) 80.28.380. Within the BCP the Company establishes its two-year acquisition target identifying available and cost-effective therm savings opportunities. On January 14, 2026, the Washington Utilities and Transportation Commission accepted and acknowledged the Company’s Acquisition Target and Two-Year Conservation Goal of 1,042,648 therms.
Conservation Plan and Reports
Biennial Conservation Report
On June 11, 2026, Cascade filed its Biennial Conservation Report in Docket UG-230937, satisfying the commitment made in the Docket UG-230937 Attachment A Biennial Conservation Plan (BCP) Conditions. The report summarizes the Company’s efforts for the 2024-2025 program years, with annual energy savings of 1,062,092 therms in 2024 and 1,309,816 therms in 2025 across its Residential, Commercial, and Low-Income Weatherization programs.
The Biennial Conservation Report consists of a main report document and five supporting work papers. The work papers cover portfolio-level cost effectiveness, a summary of therm achievements per measure organized by program, and a report summarizing the Northwest Energy Efficiency Alliance’s efforts on behalf of the Company.
- 230937-CNGC-2024-2025-ARpt-Cltr-06-11-2026 |
- 230937-CNGC-2024-2025-ARpt-6.11.26 |
- 230937-CNGC-2024-2025-Biennium-Conservation-Arpt-WP-1-06-11-2026 |
- 230937-CNGC-2024-2025-Biennium-Conservation-Arpt-WP-2-06-11-2026 |
- 230937-CNGC-2024-2025-Biennium-Conservation-Arpt-WP-3-06-11-2026 |
- 230937-CNGC-2024-2025-Biennium-Conservation-Arpt-WP-4-06-11-2026 |
- 230937-CNGC-2025-NEEA-Arpt-for-CNGC-WP-5-06-11-2026 |