Special Open Meeting - AU-99999A-26-0010 - 2026 Summer Preparedness Workshop
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What opening remarks and agenda are set at the beginning of the meeting?
There you go. Okay. All right. We will call this meeting to order. And we'll start with the commission uh commissioner opening statements. Welcome to our summer preparedness workshop. All right, uh we've got Uh Chair Myers on the line and Commissioner Thompson on the line. Any issues, gentlemen?
All right. I don't think so. Can you hear me okay?
Yeah, excellent. Thank you.
Think I'm good too.
Awesome. Right, well welcome and uh we will get started and we'll go in our uh usual order, but I'll go last uh chairing the meeting. But uh Commissioner Marcus Peterson, do you have any opening comments you'd like to make? Yes. Yes,
thank you, and good morning, everybody. Thank you for participating today. I think this conversation is vitally important. Um it's something that I'm glad we're starting with WEC and kind of getting that Western regional approach, and then we'll talk about each of our utilities. One question I wanted to ask at the ons at the beginning and ask that each utility address this please, um, is please talk about uh the load projections, including large loads such as data centers, and how you arrived at these projections. I'd like to know what sources you considered. Are the sources confidential? Um, and just want you to speak to that, please, as each of you present. But thank you again for participating today.
Commissioner Thompson.
I um apologize for not being there and just getting over an illness um that lasted over the weekend. Yes, thank you all for um being here today. Looking forward to seeing how our utilities will be able to handle What should be another record breaking summer um in You know, especially since you've added more load to your to your grid. Um, you know, meeting the capacity on our hundred and twenty degree temperature days. Um is no small feat. And so uh I just interested in learning more about how you're going to keep the lights on across Arizona. So thank you.
Chair Myers.
Yeah,
thank
you. Um As the others have said, I just wanna thank everybody for participating today. I think it's uh going to be an interesting discussion. We we've had uh some pretty um uh big announcements this last year. So I wanna I'm looking forward to seeing how all that plays into how we're gonna make sure to to maintain the reliability going forward throughout the summer. So thank you all again for being here.
Commissioner Lopez.
Yep, uh expressed my appreciation also. Uh looking forward to uh the presentations gets a little preview, so have some queued up questions also. Um But then uh uh Again. Everybody's already kind of mentioned uh the talking points of wanting to make sure that we're gonna be good for the summer, that what planning you're using for future predictions and oh. kicked on. And then um That kinda set me off. Uh so thank you very much for being here.
Right, thank you. And uh one of the things I'm I'm interested in is discussing the reserve power and if there's been a standardization of how we we calculate that reserve. So thank you everybody for being here and I will turn this over to our staff.
Good morning, Chairman, Vice Chairman, Commissioners, and Stakeholders. Thomas Abshire for Utilities Division staff. Welcome to the 2026 Summer Preparedness Workshop. Today we will have summer preparedness presentations from our electric and gas utilities and gas pipelines. For those presenting virtually, staff will be controlling the slides, so please let staff know when to move to the next slide. After the presentations, we will have time for questions, public comments, and closing remarks. Thank you. you all for your participation in today's workshop. And then I believe we have uh WEC first.
All right, uh Chair, Vice Chair, Commissioners, I'd first like to start off by uh thanking you for inviting us to participate in this summer readiness workshop. It's a pleasure to be here. My name is James Anson. I'm the manager of the operations analysis department at WEC. Uh within operations analysis we have the delegated functions of event analysis performance event analysis performance analysis and situational awareness.
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Agenda
7 items
1
What opening remarks and agenda are set at the beginning of the meeting?
0:00–14:45
2
How does the Western Electricity Coordinating Council (WEC) present its risk assessment and load‑projection methodology?
14:45–1:15:58
3
What are Arizona Public Service’s (APS) 2026 summer demand forecast and resource plan?
1:15:58–1:55:22
4
What are the current practices for using variable resources and reserves in Arizona utilities?
1:55:22–2:20:51
5
How adequate is the 15% reserve margin given the growing share of renewables?
2:20:51–2:55:55
6
Why are substation upgrades needed and how does the Western Resource Adequacy Program prevent double‑counting of resources?
2:55:55–3:27:41
7
What are the projected summer peak loads and resource plans for APCO and SRP in 2026?
3:27:41–3:58:42
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