🔌 The Northwest Is Nine Gigawatts Short - EFSEC June 2026

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🏛 June 2026 EFSEC Council Round-Up

Quick Facts

• Agency Covered: Washington State Energy Facility Site Evaluation Council (EFSEC). Monthly meeting, June 17, 2026 (virtual).
• The Bottom Line: A regional study told the council the Northwest faces a roughly 9-gigawatt firm-power shortfall by 2030, and that closing it means siting hundreds of new energy projects, many in and around the Gorge. The council also finalized its tribal-consultation policy and seated a new Commerce councilmember.
• The Vibe: Sobered but steady. A lot of "we've never had to build at this pace" weight, balanced by routine project housekeeping and a brush fire that, everyone was relieved to stress, hurt no one.

🔎 What Changed

• Aaron Peterson was seated as the permanent Department of Commerce councilmember.
• EFSEC finalized and distributed its tribal consultation and coordination policy.
• Ostrea Solar is now generating commercially; Carriger Solar's court fight may pause for settlement talks.

⚠ What Escalated

• A resource-adequacy study put hard numbers on the coming buildout: a ~9 GW gap by 2030, widening to 14–18 GW by 2035.
• Possible mid-biennium state budget cuts now loom over the agency.
• A May 28 brush fire at Ostrea Solar (no injuries), plus a newly disclosed February 2026 oil loss at Columbia Generating Station and a follow-up report putting the previously reported August 2025 release at 380 to 463 gallons.

🧭 What's Next

• July council votes on the Columbia Solar and Goose Prairie Solar ownership transfers.
• A first-of-its-kind full-council consultation with the Yakama Nation on July 7.
• A likely decision on Badger Mountain Solar's long-paused application.

⚡ The Headline: How Much Power the Northwest Has to Build

The meeting's centerpiece was an outside briefing the council had requested a month earlier: Phase 2 of "Resource Adequacy and the Energy Transition in the Pacific Northwest," presented by Arne Olson, a senior partner at the consulting firm E3, alongside Mary Wiencke, executive director of the Public Generating Pool (a coalition of consumer-owned utilities that, with most of the region's other utilities, commissioned the work).

• The study finds a near-term resource-adequacy gap of about 9 gigawatts by 2030, growing to 14–18 gigawatts by 2035.
• It traces the gap to fast-rising electricity demand (electric vehicles, heat pumps, some data-center load) colliding with the retirement of always-available "firm" generation.
• Meeting it affordably, the study concludes, requires a broad portfolio: wind, solar, geothermal, storage, new transmission, and some new natural-gas peaking plants.
• A counterintuitive regional finding: batteries count for as little as about 6% of their nameplate capacity toward reliability here (their effective contribution tops out around 14%), because the Northwest's worst events are multi-day winter cold snaps in low-water years, far longer than a battery can cover.
• The scale is the headline. Olson's modeling implies on the order of 600 utility-scale projects and 150–200 gigawatts of new capacity over 20 years, with regional investment rising toward $11 billion a year by 2035 and roughly $32 billion a year by 2045.

For a siting council, this study is less a weather report than a job description. EFSEC is the body that permits the largest energy projects in Washington, and Olson's numbers describe a permitting workload with no recent precedent. "It's just a pace that we're not used to operating at in the Pacific Northwest," he told the council, noting the region has seen almost no load growth for 25 years. He put the land-use stakes bluntly: at the high end, the buildout could touch as much as "14% of the land area of the state of Washington." That is the structural backdrop to nearly every contested project in EFSEC's docket: Horse Heaven's raptor buffers, Wallula Gap's cultural-resource conflicts, the Cascade Renewable Transmission corridor through the Gorge. Asked what critics say, Olson named one point: the battery-storage finding, which he called "maybe the biggest point of interest or contention." His co-presenter Mary Wiencke added a second, the load forecast, saying "E3 took a pretty aggressive approach on the electrification assumptions" and that the criticism she hears often is "that's not realistic or that's going to occur more slowly." Olson said he worries "a little bit less about that one," since load forecasts self-correct as utilities refresh their plans; a lower forecast changes the magnitude of the findings, he said, not their nature. Asked about siting specifically, he offered a measured note of optimism: every developer his team interviewed named siting as a barrier, but "very few of them said they viewed siting as a fatal flaw… they all said, yeah, we don't like it, it's a pain, it could be better; we can get past it."

What's at stake if the gap isn't closed. 

The number is dry; what it measures is not. In the study's modeling, an unmet gap shows up as "loss-of-load" events, multi-day stretches (sometimes 50 to 100 hours) when demand outruns the power the region can deliver, clustered in the worst case of a hard winter cold snap in a low-water year. That is exactly when homes now heating with electricity need the grid most. The region's January 2024 cold snap was a real close call: Mary Wiencke told the council the study "originated kind of following a close call in January of 2024, where the system was kind of strained to its potential limits." Olson's read of the same event was that thermal plants ran flat out, "at nameplate really throughout the time period," while the region was "relying on imports to bring energy into the Northwest and using it to charge the reservoirs." Fall short, and the costs ladder up from price spikes on customers' bills to rolling outages in dangerous cold, plus pressure to keep older fossil plants running past their retirement dates. (The reliability framing and the 2024 event come from the June 17 briefing; the rate-spike and fossil-retirement effects, and the risk that imports run scarce when the whole West is cold at once, are the broader, well-documented consequences of a resource-adequacy shortfall.)

Councilmember Brian Rybarik, who also sits at the Utilities and Transportation Commission, urged context. The 9-to-18-gigawatt figures, he cautioned, describe a worst case, "the compounding issues of low water year, long stretches of cold weather," and the region should hold both the alarm and the nuance at once. He flagged a follow-on UTC resource-adequacy meeting (with the same E3 team) for June 22. Worth underscoring for readers: Olson stressed this "is not a data-center study," and by his account it assumes only about 3,000 megawatts of data-center load, so the demand it describes is overwhelmingly ordinary electrification, not server farms.

🌞 Projects: Transfers, a Fire, and a Possible Settlement

Columbia Solar & Goose Prairie Solar: ownership transfers head to a July vote. 

Both projects have asked EFSEC to approve changes in ownership, and the council held two informational public hearings immediately after the regular June meeting. Siting specialist Sara Randolph said Columbia Solar's request is administrative; for Goose Prairie, Brookfield notified EFSEC of an upstream ownership change on April 29 (the site certification agreement itself stays with Goose Prairie Solar, LLC). Under state rule WAC 463-66-100, the council must verify any new owner has the organizational, financial, managerial, and technical capability to run the facility. Staff expect to bring both to a council vote in July.

Ostrea Solar: now operating, after a brush fire. 

The Cypress Creek facility is generating commercially (the Bonneville Power Administration authorized it back around April), with performance testing complete and only minor construction items remaining. The notable news was a thermal event on May 28: according to the developer's verbal report to the council, a dislodged tracker assembly pinched a cable, and a spark ignited brush, burning roughly 40 acres before Yakima County Fire District 4 extinguished it. (These figures are from a spoken report and aren't yet confirmed in a written filing.) Damage to equipment was described as minimal, one module and a row of cable, and a councilmember summed up the relief in the room: "nobody was hurt, and that's critical." Chair Beckett asked the developer to report back next month on how the burned panel is disposed of, citing public interest in solar-panel waste. The project's developer contact, Jon Voltz, is transitioning out, with Jennifer Hyre taking over.

It's worth keeping the fire in proportion. A brush fire at a solar site isn't a case against solar so much as a feature of building any large energy project in the open, often already fire-prone grasslands of the rural West. Solar, wind, and battery storage alike spread equipment across hundreds of continuous acres of vegetation. That land use carries a standing management job: keeping grass cut and defensible space clear, hardening connections, and pre-planning with the local fire district. At Ostrea, that system worked. The fire was spotted, the array powered down, Yakima County Fire District 4 contained it, and no one was hurt. It's also part of a wider national pattern worth watching: vegetation fires have been sparked at solar sites around the country over the past year, even as wildfire smoke separately cuts into solar output region-wide. The U.S. Department of Energy keeps a plain-language primer on wildfire risk and solar farms.

Carriger Solar: a possible pause for settlement. 

The Klickitat County project's judicial review with the Confederated Tribes and Bands of the Yakama Nation has a new wrinkle: an assistant attorney general told the council the developer and the Yakama Nation plan to jointly request a stay of the proceedings to pursue settlement discussions, even as the case record transfers to superior court. A few draft construction plans are expected by the end of June. (For context: the Governor approved Carriger's site certification agreement for execution on December 2, 2025.)

Cascade Renewable Transmission: scoping closes, tribal consultations scheduled. 

The transmission line that crosses the Gorge moved deeper into environmental review. Siting specialist Maria Belkina reported that tribal and public SEPA scoping meetings were held May 27, and the comment period closed June 1 with about 46 comments received (figure from the spoken update). Staff are drafting the scoping report that will frame the environmental impact statement and coordinating with the U.S. Army Corps of Engineers and Oregon agencies. On tribal engagement, a first-of-its-kind full-council government-to-government consultation with the Yakama Nation is set for July 7, while the Confederated Tribes of Grand Ronde requested a chair-only consultation under the statute.

The rest of the docket, briefly.

• Horse Heaven Wind: staff have completed reviews and approvals for several mitigation measures. Four formal plans are still due before construction: the project layout and design plan at least 180 days beforehand, and three wildlife plans at least 90 days beforehand, including one establishing a minimum quarter-mile turbine buffer around all known raptor nests. The Wildlife Movement Corridors plan was approved by the council director on April 9 (per staff's verbal update).
• Hop Hill Solar: the applicant (a BrightNight/Cordelio Power venture) is reworking its site layout.
• Wallula Gap Solar: staff continue working with the applicant (OneEnergy Development LLC), the Yakama Nation's cultural-resources program, and Ecology over wetland and cultural-property impacts.
• GoldenEye BESS: the Upper Skagit Tribe reiterated its opposition to the battery project's location and identified traditional cultural properties that would be affected; EFSEC will meet with the tribe and state preservation staff in coming weeks. (Chair Beckett remains recused from this project.)
• Badger Mountain Solar: the long-paused Douglas County application's extension expires in July, and a council decision may come at the July meeting.

☢️ Columbia Generating Station: Two Oil-Loss Events

Energy Northwest reported two non-routine oil-loss events at the Columbia Generating Station nuclear plant, both involving turbine-oil heat exchangers that drain to the Columbia River through a permitted outfall. The figures here come from the written packet update, not just the spoken report:

• A larger, earlier event: an estimated 380 to 463 gallons of non-hazardous oil released between May 31 and August 17, 2025 (first reported August 15, 2025).
• A much smaller event on February 15, 2026: a maximum of about 5.79 gallons, though Energy Northwest's notification to regulators didn't go out until May 27, 2026, a delay the utility attributed to its engineering review.
• In both cases, water samples came back below the laboratory detection limit for oil and grease, and both heat exchangers will be inspected during the plant's spring 2027 maintenance outage.

A councilmember used the two events to make a process point, that the monitoring improvements adopted after the first, larger event appear to have caught the second one far earlier and smaller: "It seems like it did exactly as it was designed, to catch things earlier and to identify issues faster."

🪑 The Council Itself: A New Member, a Tribal Policy, and Budget Clouds

A new councilmember. Chair Kurt Beckett introduced Aaron Peterson as the new permanent Department of Commerce councilmember, a senior energy-policy specialist at Commerce who, in his own words, brings a decade as a wind and solar developer plus stints in salmon-recovery and farm policy. (He appears to succeed Elizabeth Osborne in the Commerce seat.)

Tribal-consultation policy finalized. Staffer Lisa McLean announced EFSEC has finalized and distributed its policy on consultation and coordination with tribal governments, the end of a process begun in January that included a March meeting with tribes and two rounds of written comment. She framed it as "a living document," to be revisited as the state implements broader tribal-consultation guidance. Councilmember Blake Nelson pressed for tighter wording: the section governing how the council can meet with a tribe without triggering the Open Public Meetings Act should say members "may not" deliberate or make commitments, rather than the current, softer "restricted." His goal, he said, was to "make it like crystal clear about the rules."

Budget clouds. Interim Executive Director Dave Walker delivered two cautions. The search for a permanent executive director has slipped from July 1 to mid- or late July. And the Governor's office has signaled possible mid-biennium budget cuts; EFSEC has been asked to look for expenditure savings but has no target percentage or formal direction yet. "It's really hard to say at this point how the budget is going to shake out for the remainder of this biennium," Walker said.

⚠️ Editor's Note: Broader Context

• Why "firm" power is the whole game. The resource-adequacy gap isn't a shortage of generators in general; the region is adding wind and solar. It's a shortage of capacity that's available on demand during multi-day winter cold snaps in dry years, when wind lulls and hydropower is stretched. That physics is why the study lands on a mix (including some new gas) rather than batteries alone.
• EFSEC's authority is narrow but heavy. EFSEC sites only the largest energy facilities, and most decisions end with a recommendation to the Governor, who signs the final site certification agreement. That's why the same project can appear in council records over several years and multiple "orders."

🛠 Jargon Buster

• Resource adequacy: whether the grid will have enough power available at the exact moments demand peaks, not just enough on average.
• Nameplate vs. effective capacity: a battery's "nameplate" is its maximum rated output; its "effective" capacity is how much you can count on during a worst-case event. The study's point is that those two numbers are far apart for batteries in the Northwest.
• TCP (Traditional Cultural Property): a place eligible for historic-preservation protection because of its significance to a living community, often a tribe.
• Gigawatt (GW) vs. gigawatt-hour (GWh): a gigawatt is power — how much electricity is flowing at one instant. A gigawatt-hour is energy — power times time. The Northwest's "9-gigawatt gap" is a shortfall of on-demand capacity, not a yearly total.

📌 How to Join & Learn More

• EFSEC main site & project pages: https://efsec.wa.gov
• The E3 / Public Generating Pool resource-adequacy study: https://ethree.com/ra-pnw
• Goose Prairie Solar transfer (project page): https://efsec.wa.gov/facilities/goose-prairie-solar
• Submit a public comment: https://comments.efsec.wa.gov/ or email efsec@efsec.wa.gov
• Next regular meeting: EFSEC meets monthly; July's meeting is expected to carry the Columbia Solar and Goose Prairie Solar transfer votes. Check the EFSEC site for the agenda and virtual-attendance link.