It’s been nearly six years since plans were unveiled for a massive clean energy project in the Tri-Cities area, and the fight over how large the project will ultimately be amid pushback from the community played out Thursday in front of the Washington State Supreme Court. [some emphasis, links added]
Opponents of the Horse Heaven wind project contend that the state Energy Facility Site Evaluation Council and former Democratic Gov. Jay Inslee failed to properly account for the seriously negative impacts on the environment, surrounding communities, and tribal cultural resources when approving the project.
Scout Clean Energy, of Boulder, Colorado, initially submitted an application in 2021 for a project that could be up to 244 wind turbines, each about 500 feet tall, and three solar arrays.
Debate over how large the project would be and community and tribal concerns has progressed in hearings and legal filings over the last few years.
Tri-Cities CARES, Benton County, and the Yakama Nation filed separate petitions seeking to overturn the final decision on the project’s scope. Those cases were combined, and arguments took place Thursday at the Temple of Justice in Olympia.
“The unanimous council [EFSEC] determined that mitigation, serious mitigation to protect tribal interests, and visual interests of the 300,000 people in the Tri-Cities should be imposed,” said Richard Arambaru, attorney for Tri-Cities CARES.
“EFSEC concluded there were significant impacts on the community. That it would not kill the project, but it would take out those parts of the project that so interfered with the rights of the public, and with the rights of the Yakama nation.”
Arambaru was referring to EFSEC initially approving a reduced number of turbines in April 2024 to create necessary protected buffer zones for ferruginous hawk nests and consider tribal concerns.
However, Inslee pushed to maintain the project for up to 222 turbines, as well as solar panel arrays and battery storage facilities, and the current form of the project is much like the original large-scale plan.
Arambaru told the court that the EFSEC conducted its due diligence, but Inslee overruled it without authority to do so.
“They spent eight days, 2,000 pages of transcript, and 34 witnesses during the course of the administrative hearing. When it gets to the governor who, for all we know, never even visited the project, never listened to a word of the transcript, the governor did not follow that decision.”
Former Washington Supreme Court Justice Phil Talmadge argued on behalf of the developer, Scout Clean Energy.
“The process that was undertaken worked as the legislature envisioned it. The opponents of this project are not here to improve it. They are here to kill it,” said Talmadge.
He told the justices that opponents are hoping that having the Trump administration on their side will halt the project.
“The Trump administration is proposing to end significant tax credits for renewable energy projects. They hope to use that as a tool to defeat this project,” Talmadge said.
Talmadge argued the hearing process was fair in considering all parties over several years.
“The hearing process was robust to say the least. 64,000 pages of records. We’re not talking about something that was done superficially here.”
Shona Voelckers, attorney for the Yakama Nation, one of the plaintiffs in the case, told the court that EFSEC failed to balance the state’s energy needs against environmental harms and tribal concerns.
“It is the largest wind, solar and battery storage project ever proposed in the state,” said Voelckers, who noted the council had a responsibility to weigh tribal impacts heavily. “And to get specific special consideration of impact to overburdened communities, including the Yakama Nation. That did not happen here.”
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