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Elliot Mainzer

Elliot Mainzer

CEO of the California Independent System Operator

Jul 1, 2026

Kassia Micek
Kassia MicekCORRESPONDENT
10:12
Can you kind of break that down and what this new market is and why it was something that the region was ready for or was looking towards?
10:20
It's been a really, really important and consequential period of history here the last 12 years in WECC.
10:26
When you think back to 2010, 2011, 2012, the CAISO was operating its energy market, you know, in California.
10:34
Certainly, folks from outside of the state participated in that market to one degree or another.
10:38
But it was really back at that time when other regions outside of California were starting to see more renewable energy development, more volatility on their systems, more transmission congestion, things like that, and the CAISO said, "Look, we're operating this energy market.
10:52
We can extend it out into your systems at relatively low cost on a voluntary basis, and you can take advantage of all the technology that we've built and the efficiency of this market." And that was the beginning of the WEIM, with Pacific Corp signing up originally back in 2013, 2014.
11:09
And 12 years later, as of today, we still have about 80% of Of the utility load in the West participating in the Western Energy Imbalance Market.

6 MINS LATER

Kassia Micek
Kassia MicekCORRESPONDENT
17:12
Will this be in the form of a quarterly report, or what will that look like?
22:40
So, Elliot, yeah, I'm interested in your interpretation of that fact as well.
22:45
Yeah, no, it's, it's a good question.
22:46
I think as you acknowledged, I mean, this is where, you know, the, the data center revolution, the whole artificial intelligence ecosystem was originated in California.
22:56
We do have interest, uh, from the hyper-scaling communities.
22:58
As a matter of fact, we are already, um, in the process of building out the grid in the Silicon Valley to accommodate the next wave of growth.
23:07
As you pointed out, uh, there is a lot of work to try to determine right now, uh, between the Energy Commission and the utilities just exactly how large that growth is going to be in the coming years, and so we're working very closely with the regulatory agencies.
23:21
Our next, uh, phase of transmission planning will incorporate the very, very latest forecasts, and we'll continue to try to stay ahead of the curve on that.

10 MINS LATER

33:14
And so, you know, from the operator point of view, is it really a problem when individuals in California take matters into their own hands? Who are deploying the batteries that you can see?

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