Integrated System Planning consolidation request approved

On July 11, 2024 the Washington Utilities and Transportation Commission approved PSE’s request to consolidate our Integrated Resource Plan (IRP) and Clean Energy Implementation Plan (CEIP) into a single Integrated System Plan (ISP) due on Jan. 1, 2027. PSE is rapidly shifting focus toward the new ISP and will provide additional details soon.


Additional information can be found under Commission Dockets 240433 and 240434.

September 3, 2026
Draft scenarios and sensitivities results for the 2027 Integrated System Plan (ISP) PSE will host an RPAG meeting Wednesday, September 23 from 1 p.m. to 3:30 p.m. to present draft scenarios and sensitivities results for the 2027 Integrated System Plan (ISP). Ways to join Join the webinar on Zoom (a Zoom account is not required) Watch the livestream on YouTube
August 5, 2026
Draft scenarios and sensitivities results for the 2027 Integrated System Plan (ISP) PSE hosted an RPAG meeting Tuesday, August 25 from 1 p.m. to 3 p.m. to present draft scenarios and sensitivities results for the 2027 Integrated System Plan (ISP). Ways to join Join the webinar on Zoom (a Zoom account is not required) Watch the livestream on YouTube Meeting materials Agenda Presentation (updated August 24)
July 22, 2026
Integrated System Planning: What we've learned so far
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