RPAG Meeting | Feb. 27, 2025

Resource adequacy methodology and electric modeling for the 2027 ISP 5/15/25 | 1 p.m. – 3 p.m. Puget Sound Energy will host a virtual RPAG meeting on Thursday, May 15 from 1:00 p.m. to 3:00 p.m. PSE will discuss electric modeling for the 2027 Integrated System Plan (ISP), which includes updates on emerging resources, hydroelectric, and geothermal modeling as well as resource alternatives, alternative fuels, and generic resource costs. Additionally, E3 will provide an overview of resource adequacy methodology. Please register in order to participate in this webinar, which will be held via Zoom. You do not need a Zoom account to join. Please contact Emilie Pilchowski at epilchowski@triangleassociates.com if you have questions or trouble registering. Members of the public wishing to watch the meeting without participating may watch a live stream of the meeting on the PSE Integrated System Plan YouTube channel . Members of the public are invited to observe this meeting and provide public comment at the end of the webinar. Interested party feedback on the meeting topics received between May 8 and May 22, 2025 will be included in the meeting feedback report. Feedback may be submitted via online form, by email at isp@pse.com or via voicemail at 425-818-2051. How to join Register on Zoom to participate in the meeting You can also observe the meeting on YouTube

Customer strategy for the 2027 ISP 3/25/25 | 1 p.m. – 4 p.m. Puget Sound Energy will host a virtual RPAG meeting on Tuesday, March 25 from 1:00 p.m. to 4:00 p.m. PSE will discuss customer strategy, including conservation, demand response, and solar and storage for the 2027 Integrated System Plan (ISP). Please register in order to participate in this webinar, which will be held via Zoom. You do not need a Zoom account to join. Please contact Emilie Pilchowski at epilchowski@triangleassociates.com if you have questions or trouble registering. Members of the public wishing to watch the meeting without participating may watch a live stream of the meeting on the PSE Integrated System Plan YouTube channel . Members of the public are invited to observe this meeting and provide public comment at the end of the webinar. Interested party feedback on the meeting topics received between March 18 and April 1, 2025 will be included in the meeting feedback report. Feedback may be submitted via online form, by email at isp@pse.com or via voicemail at 425-818-2051. How to join Register on Zoom to participate in the meeting You can also observe the meeting on YouTube Meeting Materials Agenda Presentation Feedback report Meeting summary