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December 11, 2025

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CAISO, SPP Explore Using Existing Tools to Manage DAM Seams

CAISO and SPP have made “significant progress” on adapting existing tools to tackle seams between the two entities’ respective day-ahead markets, according to a CAISO representative.

Anna McKenna, vice president of market design and analysis at CAISO, discussed seams between SPP’s Markets+ and the ISO’s Extended Day-Ahead Market (EDAM) during a technical session at the WECC quarterly meeting on Dec. 9.

CAISO’s EDAM and SPP’s Markets+ are scheduled to go live in 2026 and 2027, respectively. One concern with having two separate day-ahead markets is the potential for friction at the borders of the two markets as entities join one market or the other. These seams arise from differing policies and separate dispatch between neighboring markets, which can result in additional costs for transferring energy across the boundary. (See ‘Islanded’ BAs Face Tough Choices in Western Market Future, Experts Say.)

CAISO has met with SPP, transmission owners and providers, and other partners in the West to discuss seams, according to McKenna. She said those discussions are in the early stages, noting that system reliability is the overarching principle as EDAM evolves.

Still, SPP and CAISO’s joint work as Western reliability coordinators (RCs) can help, McKenna said.

“Significant progress has been made in adapting some of the RC-based tools,” McKenna said. “And one you might have heard about is the enhanced curtailment calculator.

“This is a pretty powerful tool for us to be able to use in the Western Interconnection, so that we can ascertain what curtailments might have to happen on the system, should limits be exceeded, in a collaborative and coordinated and reliable manner. This will be foundational for some of the discussions we’ll have on the market side as to how we deal with these challenges coming up with the seams.”

The West has a history of collaboration and already has in place “a series of robust network models, real-time data sharing with each other and state estimators that we rely on,” McKenna added.

“We want to maintain and continue to use these tools as part of our engagement in the seams discussions,” McKenna said. “And of course, these things have to evolve over time. But we’re hopeful that with the work that we’ve done in the West and collaborative nature of how we do business in the interconnection will drive and will guide those discussions.”

‘Come Together and Find Solutions’

Meanwhile, SPP has launched separate efforts, including the Markets+ Seams Working Group (MSWG) and other working groups as it develops the market. At the direction of the Markets+ Participant Executive Committee, the MSWG in 2024 began developing the Seams Strategy and Roadmap, designed to identify focus areas for policies and governing documents related to seams issues with neighboring areas.

SPP also is expanding its RTO into the Western Interconnection, and the plan is to optimize Markets+ with the RTO in 2028, Carrie Simpson, vice president of markets at SPP, said during the WECC meeting.

SPP is “committed to working on seams,” Simpson said. The RTO wants to help “coordinate transfers amongst different parties, whether it’s EDAM, [Western Energy Imbalance Market], CAISO, Markets+” or non-market participants, Simpson added.

SPP plans to host a symposium on Western seams in Tempe, Ariz., on Feb. 26. (See SPP Markets+ Cruising Through Early Development.)

A recent report by FERC urged Western electricity industry stakeholders to get ahead of seams before the launches of Markets+ and EDAM. The paper highlighted seams coordination in the Eastern Interconnection. (See FERC Report Urges West to Address Looming Market Seams Issues.)

McKenna noted that solutions in Eastern markets are not necessarily compatible with the reality in the West.

“We think there’s going to have to be some extraordinary and important efforts between, not just the market operator to market operator, but those who are within these markets, such as the transmission owners, the transmission providers, the balancing areas,” McKenna said. “We all have to come together and find solutions.”

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MISO Launches 2nd Review of Long-range Tx Project for Cost Overruns

INDIANAPOLIS — MISO has opened another review of a second project from its first long-range transmission plan (LRTP) portfolio, prompted again by construction cost overruns.

MISO Executive Director of Transmission Planning Laura Rauch announced that MISO is conducting a variance analysis on the 345-kV Iron Range-Benton County-Big Oaks project in Minnesota. Joint developers Minnesota Power and Great River Energy have revised costs to build the line from an originally estimated $970 million to $1.39 billion. MISO’s Board of Directors approved the project under the first LRTP portfolio in 2022.

The Minnesota project review joins MISO’s ongoing variance analysis on the planned 345-kV Morrison Ditch-Reynolds-Burr Oak-Leesburg-Hiple line in Illinois and Indiana, which has climbed from an estimated $261 million to $675 million. That project was also approved in 2022 under the first LRTP portfolio. Northern Indiana Public Service Co. is handling the upgrade.

MISO uses its variance analysis to re-evaluate transmission projects that experience significant cost increases or other obstacles. Once it completes a variance analysis, MISO can decide either to let projects stand as-is, develop a mitigation plan for them, cancel projects or assign them to different developers if possible.

MISO Director Mark Johnson asked what timeline the stakeholder community can expect on MISO’s most recent variance analysis. He said it seemed that the variance analysis on the Indiana project had run long and noted that MISO began it in early 2024.

MISO Director Mark Johnson | © RTO Insider 

“At the end of the day, I don’t think this is a good look for any of us if this drags on,” Vice President of System Planning Aubrey Johnson told MISO leadership during a Dec. 9 meeting of the System Planning Committee. Johnson said MISO plans to accelerate the process overall and deliver more timely outcomes.

“We expect to do that at a faster rate next year than we have with the current project,” Johnson said. He added that MISO’s review on the Indiana project was out for “executive review” and that MISO would deliver a verdict publicly before the end of 2025.

Industrial customers across MISO have repeatedly asked MISO to enact stronger cost containment boundaries on transmission projects. They’ve said MISO’s variance analysis should have a 20% overbudget threshold to trigger the study (instead of 25%) and that MISO should consult with third-party experts and its Board of Directors on projects’ fate.

MISO staff have said they don’t see a need to alter the process but that the RTO will create more public notices when it must conduct a variance analysis. (See MISO to Make Transmission Re-evaluation Process More Public and MISO TOs Oppose Tx Cost Containment Suggestions.)

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Louisiana Gen Co. First to Lodge Complaint Over MISO Auction Error and Price Corrections

Louisiana-based power generator Pelican Power is the first to register a complaint over MISO’s yearslong miscalculation in its capacity auctions in an effort to stop the RTO’s retroactive pricing corrections.

Pelican Power filed the complaint with FERC in mid-November regarding MISO’s settlement adjustments to the 2025/26 Planning Resource Auction (PRA) (EL26-26).

The utility said MISO’s retroactive pricing corrections run “directly counter to the commission’s longstanding policy of not disturbing auction outcomes.” It called the “after-the-fact tinkering with auction outcomes” unlawful and in violation of the filed rate doctrine. It asked FERC to order MISO to cease resettlements.

Comments and interventions are due in the complaint Dec. 15. MISO leadership during its Dec. 9 Markets Committee meeting acknowledged they may have to undo the pricing adjustments if the complaint is successful.

Pelican argued that nothing in MISO’s tariff allows it to make wide-ranging changes to capacity prices in the 2025/26 auction. It said MISO “has taken a series of ad hoc actions not authorized by, or consistent with, the terms of the MISO tariff and applied rules never reviewed or approved by the commission.” Pelican said MISO appeared to be attempting to expand its remedial authority beyond “straightforward corrective measures” and its duty to enforce a filed rate.

“MISO’s desire to right its wrong does not excuse its further violations of the filed rate, any more than a bank robber’s heartfelt remorse excuses his breaking back into the bank to replace the money he stole,” Pelican wrote.

Pelican added that MISO began taking steps to remedy the error in mid-August, with most of summer 2025 — and therefore the planning year’s highest capacity prices — behind it.

“While it may have been difficult, if not impossible, for MISO to actually re-run the 2025/26 PRA, particularly with the 2025/2026 planning year already underway, the fact remains that the MISO tariff does not authorize any, much less all, of the foregoing steps, and that MISO has simply invented and applied a whole new set of settlement rules to be found nowhere in the MISO tariff,” Pelican said.

For eight years, MISO used a technically incorrect “all hours” approach to calculate its loss of load expectation (LOLE), which according to MISO’s tariff, theoretically should occur only on a day’s peak hour. The error caused the auction to function as if a loss of load event could strike at any non-peak hour, raising the supply MISO secured for nearly a decade. The grid operator discovered in summer that an unnamed vendor since 2017 miscalculated the RTO’s LOLE. The coding error caused a $280 million impact on market participants in the 2025/26 auction, with some owing more money and some getting refunds. (See MISO IMM: Capacity Prices Efficient Despite Yearslong Error and MISO Discloses $280M Error, Over-procurement in 2025/26 Capacity Auction.)

As previously defined, a day with a loss-of-load event is counted in MISO’s LOLE calculations only if the event happens during the hour with daily peak load. MISO received FERC permission to officially use an “all-hours” loss of load approach in its capacity auctions beginning with the 2026/27 planning year.

The Independent Market Monitor has said the error was a good thing and made MISO more reliable as it traded thermal baseload generation for renewable generation.

Independent Market Monitor David Patton said it’s “disturbing” that MISO essentially must resettle the 2025/26 auction to reflect a reliability standard lower than one day in 10 years. “From our perspective, we think these resettlements … are extremely destructive to the integrity of the market,” Patton said during MISO’s September Market Subcommittee meeting.

MISO has been resettling the 2025/26 auction at estimated prices under its continuing error procedure. It’s the only auction where MISO has made pricing corrections. MISO has claimed it’s “not rerunning or resettling the [Planning Resource Auction], taking new bids or establishing a new auction clearing price.”

MISO made the first of three rounds of settlement adjustments Sept. 18. The first set of corrections totaled nearly $77 million. MISO warned market participants that if the adjustment should exceed their credit limit, it would trigger a margin call to cover losses within two business days.

Following discovery of the mistake, MISO Director of Resource Adequacy Neil Shah has said MISO will attempt to make its loss of load expectation calculations more transparent. MISO is working to develop a “masked” model for stakeholders to review, Shah said at the October Resource Adequacy Subcommittee.

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Judge Tosses Trump’s Halt on Wind Projects

A federal judge ruled that President Donald Trump’s executive order halting onshore and offshore wind power leasing and permitting was unlawful, finding that it violated the Administrative Procedure Act.

Judge Patti B. Saris, of the U.S. District Court for Massachusetts, found that both Trump and the executive agencies charged with carrying out the order failed to provide a reasoned explanation for the change, as required by the APA.

“Even assuming … that the [order] itself could be characterized as the [agencies’] own explanation for their manner of implementing it, the [order] does not provide adequate explanation: It merely includes a single sentence citing ‘various alleged legal deficiencies underlying’ wind permitting, ‘potential inadequacies in various environmental reviews’ and the possibility that these vaguely defined issues ‘may lead to grave harm,’” Saris wrote in a ruling issued Dec. 8.

“Whatever level of explanation is required when deviating from longstanding agency practice, this is not it.”

In ruling against the administration, Saris sided with 18 Democratic state attorneys general who challenged the order in May. (See State Attorneys General Sue Trump for Executive Order Halting Wind Approvals.)

Along with the halt, Trump had ordered a review of the government’s permitting processes for both types of wind resources. The states argued this also violated the APA, as the president did not set a deadline for the review, and there was no indication that the relevant agencies were even working on it. Saris agreed.

“More than 10 months after the wind order instituted a ‘temporary’ pause on the issuance of wind energy authorizations, no end to the comprehensive assessment appears to be in sight,” she wrote. “The agency defendants neither included a timeline for that assessment in the administrative record nor provided an anticipated end date during the course of this litigation.”

Trump’s order effectively halted development of the U.S. offshore wind industry: Multiple projects were canceled, and international companies such as Ørsted have shifted their focus to building in more favorable regulatory environments. (See Ørsted to Slash Workforce, Refocus on European OSW.)

“Overturning the unlawful blanket halt to offshore wind permitting activities is needed to achieve our nation’s energy and economic priorities of bringing more power online quickly, improving grid reliability, and driving billions of new American steel manufacturing and shipbuilding investments,” Oceantic Network CEO Liz Burdock said in a statement.

But while stocks for Ørsted and other energy companies with offshore wind holdings rose on news of the ruling, ClearView Energy Partners said it was skeptical new offshore wind projects would proceed, at least while Trump is still in office.

“We view the ruling as positive for offshore wind proponents, but we are not convinced the decision sufficiently supplants the actions the Trump administration has taken to constrain offshore wind,” ClearView said in a note Dec. 9. “We are skeptical that this loss in court can inspire the administration to change its oppositional posture.”

“The court expresses no view on whether the agency defendants should issue or withhold any particular permit,” Saris wrote. “But, while a president may direct a reappraisal of permitting practices after a change of administration, the agency defendants may not, as they have done here, decline to adjudicate applications altogether, for an unspecified time, pending the completion of a wide-ranging assessment with no anticipated end date.”

Saris’ ruling, if upheld, may be a boon to projects that have already been approved. In a filing with the U.S. District Court for D.C. on Dec. 2, the Bureau of Ocean Energy Management asked for a voluntary remand of its approval of New England Wind, off the coast of Massachusetts. It cited Trump’s executive order and its ongoing “re-evaluation” of its permitting process.

While the administration had issued stop-work orders on two projects, they were later lifted. Five projects are still under construction in the U.S.: Vineyard Wind 1, off Massachusetts; Revolution Wind, off Rhode Island; Coastal Virginia Offshore Wind, off Virginia; and Sunrise Wind and Empire Wind 1, off New York.

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NERC Standards Committee Pushes Projects Forward

Members of NERC’s Standards Committee dealt with multiple action items in what Chair Todd Bennett, of Associated Electric Cooperative Inc., called a “healthy agenda,” despite agreeing to delay action on one item until its next meeting in January.

In the Dec. 9 teleconference, Bennett told the SC he was “proud of what this committee has been able to accomplish over the past year,” reminding members that more than 50 outstanding FERC directives were being resolved through the standards development process as of mid-2025. Trustee Sue Kelly, the committee’s liaison to NERC’s Board of Trustees, echoed Bennett’s remarks, praising the SC, along with NERC’s standards development staff, for working hard “to shovel the work out the door and yet maintain high quality.”

The action items for the committee’s final meeting of the year were relatively simple and approved with little debate, with the exception of a proposal to add four members to the standard drafting team for Project 2022-05 (Modifications to CIP-008 reporting threshold).

The SC authorized soliciting nominees from industry to replace four departing members of the project team at its Aug. 20 meeting, receiving 10 nominations. (See NERC Standards Committee Tackles Final Order 901 Tranche.) NERC staff recommended four of these candidates to join the team.

However, during the meeting, several SC members expressed confusion that the background material they were given about at least two of the candidates — who were not identified by name, in accordance with NERC’s policies — did not match their oral description by Alison Oswald, a manager of standards development. Oswald examined the material and determined that NERC staff had copied the wrong information into the file.

Rather than try to sort out the confusion during the meeting, Oswald suggested removing the item from the meeting’s agenda and returning to it at the committee’s January meeting. Asked by Terri Pyle of Oklahoma Gas and Electric how this decision would impact NERC’s standards development schedule, Oswald said the project was low priority and delaying action would only cause the new members to miss one SDT meeting. After Bennett endorsed the proposal, the rest of the committee agreed to delay action.

The next item similarly concerned appointing the chair, vice chair and eight other members to the SDT for Project 2025-06 (Supply chain risk management). This project is intended to address FERC’s September order directing NERC to develop standards addressing registered entities’ SCRM plans within 18 months. (See FERC Tackles Cybersecurity in Multiple Orders.)

NERC received 14 nominations in the 14-day solicitation period, Manager of Standards Development Sandhya Madan said, and it recommended 10 for SDT membership. Committee members approved all members without objection.

Members then turned to a proposal to authorize drafting new reliability standards for Project 2021-03 (CIP-002), a necessary step to moving forward with a standards development project. The committee again approved the proposal without opposition, along with subsequent authorizations of standards development for Project 2025-03 (Order No. 901 operational studies) and Project 2025-04 (Order No. 901 planning studies).

The latter two projects address the final milestone of FERC Order 901, covering operational and planning studies for inverter-based resources. Members also approved a proposal to reassign two standards authorization requests to update TPL-001-5.1 (Transmission system planning performance requirements) from Project 2022-02 (Uniform modeling framework for IBR) to Project 2025-04.

Aside from the action items, Oswald also shared with members a planned change to NERC’s SDT reference manual that would allow staff to remove team members for lack of attendance at meetings. The new language would specify that if a team member missed three consecutive meetings without notifying staff, the developer assigned to the project would reach out to the member to see if they would like to continue to serve.

If no response was received and the member missed two additional meetings, the developer would email asking again if they wished to continue serving. Continued lack of response after an additional three weeks would cause the member to be reassigned as an observer. The changes would take effect in 2026, Oswald said.

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CEC Approves EV Fast Chargers Along Calif. Highway Corridors

The California Energy Commission granted about $15 million to companies to install more than 100 electric vehicle fast charger stations in the Golden State.

The CEC on Dec. 8 voted to approve about $11.2 million for San Francisco-based Electric Era to install 72 direct current faster chargers (DCFCs) at 16 locations along some of the state’s major highways, including Interstate 80, from Auburn to Grass Valley, and U.S. 101, from San Francisco to Los Angeles.

The source of the grants is the $5 billion Biden-era National Electric Vehicle Infrastructure (NEVI) program, which was funded by the federal Infrastructure Investment and Jobs Act. The Trump administration halted NEVI payments early in 2025 but resumed the program in August after a court ruling. (See DOT Issues Guidance to Resume NEVI Funding.)

Under the terms of the grants, the Federal Highway Administration (FHWA) must authorize funding for the projects before reimbursable expenditures can be incurred, the CEC’s application says. Even where funds have already been obligated or work to be performed will not be reimbursable or will be done with matching funds, FHWA and California Department of Transportation (Caltrans) approval may still be required prior to commencing work, the application says.

Rivian, an EV truck manufacturer, received four grant awards, totaling about $1.7 million, to install DCFCs in Long Beach, Temecula, Tulare and Cabazon. As part of the grant, Rivian must sign a data-sharing agreement with a charging network provider, which will collect and send to the CEC charging data from each charging port, the application says.

The CEC approved also the commission’s 2025-2026 investment plan update for the clean transportation program, which included a significant drop in funding for EV light-duty chargers, from $98.5 million in 2025/26 to $34.2 million in 2026/27. EV heavy-duty vehicle charger funding will increase from $15 million in 2025/26 to $44 million in 2026/27.

In total, the transportation investment plan includes about $327 million for fiscals 2025/26 through 2027/28.

“[We are] targeting the expansion of charging in multifamily housing properties,” Commissioner Nancy Skinner said at the agency’s voting meeting. “Because in the analysis we’ve done, multifamily residents have the least access to charging at home. And so, since charging at home is one of the most convenient ways to have an EV, we really want to expand multifamily charging installations so that it is much more convenient for folks.”

POU IRPs Approved

The CEC also approved the integrated resource plans (IRPs) for the City of Palo Alto Utilities and Hetch Hetchy Power (HHP).

The approved IRP requires a publicly owned utility (POU) to meet greenhouse gas emission reduction requirements, renewable energy resource procurement amounts, and carbon neutrality and reliability requirements, the CEC’s Palo Alto order notes.

Palo Alto’s IRP shows that the utility will increase its investments in geothermal power generation, renew a hydroelectric generation contract with the Western Area Power Administration, and see an increased reliability risk during years with low hydroelectric generation availability.

Most of Palo Alto’s capacity — about 230 MW out of 340 MW — is provided by hydroelectric generation facilities, and about 80 MW from solar power generators.

HHP, which is operated by the San Francisco Public Utilities Commission (SFPUC), has 380 MW of existing resources. The utility anticipates low growth over the coming years, mostly driven by the San Francisco International Airport expansion, public transit electrification and new developments, CEC staff member Bryan Neff said at the meeting.

HHP transmits power across 167 miles of transmission infrastructure that is owned and operated by SFPUC, Neff said.

HHP’s load growth will require additional resources by 2033, so the utility plans to procure 75 MW of battery storage capacity starting in 2027, 100 MW of solar generation starting in 2033 and 50 MW of geothermal starting in 2035, the CEC’s staff review says.

“I think we’re seeing this in all the IRPs from the POUs: There is significant load growth in the upcoming years,” CEC Vice Chair Siva Gunda said at the meeting. “I think that’s consistent with the demand forecast of the CEC.

“When we think about California as a whole, we generally think about CPUC as a significant part of the work, and about 75 to 80% of the load does fall under the CPUC jurisdiction. But there’s almost a quarter, depending on the time of the year, that is planned through the POU work. … There’s also a lot of transmission work that is being taken up by the POUs, and [this is] something that we need to closely track.”

There is significant uncertainty in the load in the West and significant uncertainty in what resources are online, Gunda said.

“It’s important for us to track through our dependence on imports and just really be careful of planning that.”

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Analysis: OSW and Gas Together Help NYISO, ISO-NE Grid Reliability

Northeastern power systems cannot afford to drop offshore wind if they are to maintain reliability, reduce emissions and lower electricity prices, according to a new analysis from Charles River Associates.

The analysis, released Dec. 2, examined both NYISO and ISO-NE and found that retaining existing natural gas while completing queued OSW projects were necessary to maintain reliability and affordability.

“We found that there are quite material resource adequacy risks in New York City,” Oliver Stover, an associate principal of Charles River, said during a webinar Dec. 4 to discuss the paper. “This is important from the perspective of offshore wind because it can have a non-trivial impact on helping reduce these risks.”

Stover went on to say that New England’s exposure to tightening natural gas and electricity markets could be mitigated by investment in OSW.

The base case in the analysis assumes that the current queue of OSW projects in both markets will be completed on time and that existing gas resources are retained. When compared to cases in which OSW is canceled without substitutes, replaced by onshore renewables or replaced by gas, the base case performed better on prices and reliability.

Developing gas alone was found to raise prices and emissions while possibly reducing overall capital costs. Onshore renewables could match base case prices and emissions but were weaker for reliability without extensive transmission upgrades. Failing to bring on new resources at all had the worst overall performance.

“This is not just a winter problem, particularly in the New York ISO,” Stover said. “We see summer challenges continuing into the nighttime hours, and offshore wind is well positioned to augment solar builds in filling in those hours.”

These findings mirror the policy preferences of major stakeholders and politicians in New York. The Independent Power Producers of New York, the Alliance for Clean Energy New York and Gov. Kathy Hochul have previously stated that they favor an “all of the above” approach to energy.

Stover said that OSW’s proximity to load pockets, particularly in New York City, made it better for reliability than onshore renewables in general. Bypassing transmission congestion to inject directly into load pockets was a major source of OSW’s reliability benefits in the analysis. Without OSW development, both Boston and Vermont were at risk of load shedding by 2036.

Gas-fired generation development is difficult in high-population areas of both New York and New England. The existing gas system is already constrained, and there is limited headroom on the gas distribution system to bring on more firm generation, Stover said.

“They are both challenging places to build. They’re expensive. They’re coastal. They’re quite dense, and there is limited fuel,” Stover said. “Those problems might be solved in the long term … but that might be challenging.”

Stover also pointed to a recurring topic of conversation at NYISO stakeholder meetings: the aging fossil fleet. If nothing new comes online, it places greater burdens on aging infrastructure, which increases the likelihood of generator failure and forced retirement. ISO-NE’s generation portfolio is a little more flexible in this respect, as the region could afford to retire units more than New York.

While reliability and energy prices fell in the base case “OSW+ NG” scenario, capital costs were slightly higher than the gas-only scenario. Stover said that this was because OSW, and renewables broadly, required more infrastructure investment to bring them online.

“You have to pay for the upfront capital cost, and then we enjoy the benefits of paid dividends on driving down the energy price,” Stover said.

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Company Briefs

Amazon Backs out of Project Blue Data Centers

Amazon Web Services has pulled out of its role as future operator of the Project Blue data center complex in the Tucson, Ariz., area, according to sources.

Amazon has left the project because its operations aren’t compatible with the project’s recently announced plans to use air cooling instead of water cooling for the data centers’ servers, the sources said. Beale Infrastructure, the project’s developer, is now negotiating with Meta to replace Amazon as the center’s operator.

Project Blue switched to plans for an air-cooled operation after the Tucson City Council voted unanimously to kill its effort to be annexed into the city and to receive city water supplies for its operations.

More: Tucson.com

Exxon Halts Plans for Low-carbon Hydrogen Facility

ExxonMobil has pulled the plug on what would have been one of the world’s largest hydrogen plants after its $332 million grant from the Biden administration was taken away by the Trump administration.

In 2022, Exxon announced plans to build a facility at its refining and petrochemical complex in Baytown, Texas, with the capacity to produce 1 Bcfd of blue hydrogen, which is made using natural gas and carbon-capture equipment.

Since blue hydrogen typically costs about one-third more than the ​“gray” version of the fuel made with unmitigated gas, Exxon CEO Darren Woods said the company could not find enough buyers willing to pay the premium.

More: Canary Media

Eurowind Energy Exits 400-MW Battery Project

Danish renewables developer Eurowind Energy last week announced the sale of a 400-MW battery storage project in California under a plan that will provide it with cash for its European activities.

The divestment is in the Potentia-Viridi battery energy storage system project, which Eurowind Energy developed under a 50/50 joint venture with Capstone Infrastructure.

The project is expected to come online in June 2028.

More: Renewables Now

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Federal Briefs

BOEM to Consider Revoking New England Wind 1 Approval

The Bureau of Ocean Energy Management last week filed a request with a federal judge asking to allow it to reconsider a key approval for New England Wind 1 project planned off the Massachusetts coast. 

The filing comes more than two months after the government signaled it would take such action against the project.

It is at least the third time the administration has sought a remand of an offshore wind project approval, the others being for SouthCoast Wind and US Wind. The permits give major infrastructure projects the certainty to secure financing and move forward with construction.

More: The New Bedford Light

TVA Wins $400M Grant for Next-gen SMR

The Department of Energy last week awarded the Tennessee Valley Authority a $400 million grant for the development of the GE Hitachi BWRX-300 reactor.

Gen III+ reactors are advanced light water reactors that incorporate newer safety features and higher performance capabilities.

The grant was established by Congress in 2024.

More: Knoxville News Sentinel

Trump Admin Renames National Renewable Energy Lab

In a press release published Dec. 1, the Department of Energy has renamed the National Renewable Energy Laboratory the National Laboratory of the Rockies, effective immediately.

DOE said the renaming “reflects the department’s renewed focus on ‘energy addition,’ rather than the prioritization of specific energy resources.”

The laboratory was created in 1977 as a response to the 1973 energy crisis and has focused on the development and commercialization of a wide range of technologies, including photovoltaic cells, energy-efficient windows and hydrogen fuel cells.

More: CPR News; Inside Climate News; National Laboratory of the Rockies

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State Briefs

ALABAMA

Alabama Power Moves Ahead with 2-year Rate Freeze

Alabama Power last week announced that all components of the company’s regulated retail rates are not scheduled to increase through 2027.

Alabama Power said it will hold in place all existing factors in customer rates, including delaying until 2028 the implementation of previously approved adjustments for the Lindsay Hill generation facility.

The move comes a year after the company projected a nearly 2% rate reduction for 2025.

More: Alabama.com

COLORADO

PUC Mandates Emissions Cuts for Gas Utilities

The Public Utilities Commission voted 2-1 for investor-owned gas utilities to cut carbon pollution by 41% from 2015 levels by 2035.

The target — which builds on goals already set for 2025 and 2030 — is more consistent with the state’s aim to decarbonize by 2050 than the other proposals considered. Commissioners rejected the 22 to 30% cut utilities asked for and the 31% target state agencies recommended.

If utilities hit the 2035 mandate, they will avoid an estimated 45.5 million metric tons of greenhouse gases over the next decade, according to the state’s Energy Office and the Department of Public Health and Environment.

More: Canary Media

IOWA

UC Approves Tx Lines to Power Data Centers

The Utilities Commission last week approved a $221 million high-voltage transmission line project that will help power two large data center developments under construction in Cedar Rapids.

The order will allow ITC Midwest to build a 61-mile, 345-kV transmission line and rebuild another 34-mile, 161-kV transmission line. The project is key to providing power to two new, large energy users in Cedar Rapids’ Big Cedar Industrial Park.

More: Des Moines Register

NORTH DAKOTA

Judge Finds Carbon Dioxide Storage Law Unconstitutional

Northeast Judicial District Judge Anthony Swain Benson last week sided with a landowner group and found a state law related to underground storage of carbon dioxide to be unconstitutional.

The Northwest Landowners Association sued North Dakota and the Industrial Commission in 2023, challenging a law that requires landowners to allow carbon dioxide storage beneath their property if at least 60% of the affected landowners agree to the project. 

Benson wrote in his order that the state law is unconstitutional because it allows a government-authorized taking of property without an avenue for “just” compensation determined by a jury. In this case, the property is pore space — cavities in underground rock formations where emissions can be trapped.

More: North Dakota Monitor

PENNSYLVANIA

PUC Slashes Columbia Gas Rate Hike

The Public Utility Commission last week reduced a Columbia Gas rate increase.

Columbia Gas looked to raise the residential customer charge from $17.25 to $31.97/month. The PUC approved a charge of $23/month.

The new rates will take effect on or after Jan. 1.

More: WHTM

UTAH

Rocky Mountain Power Requests Rate Increase to Feed Fire Fund

Rocky Mountain Power last week filed a request with the Public Service Commission seeking a 4.48% rate increase for all customers.

The company’s request stems from a law the state passed in 2024, which allowed utilities to establish a restricted fire fund fed by a surcharge to ratepayers. With the increase, the company is hoping to collect about $109 million a year, and eventually, after 10 years, about $1 billion.

The increase would translate to about $3.70/month for the average residential customer.

More: Utah News Dispatch

WASHINGTON

Gov. Ferguson Approves Large-scale Solar Farm

Gov. Bob Ferguson last week notified the Energy Facility Site Evaluation Council that he approved the 1,300-acre Carriger Solar project.

The 160-MW project will also have 63 MW of battery storage and will tie into the Bonneville Power Administration transmission system.

More: Washington State Standard

WISCONSIN

PSC Approves Utilities’ Renewables Purchases

The Public Service Commission approved three utilities’ plans to purchase four new renewable energy projects.

The purchases include the Saratoga Solar Energy Center, the Ursa Solar Park, the Badger Hollow Wind Farm and the Whitetail Wind Farm. The projects all had previous approvals from the PSC. We Energies will own 80% of each project, while Wisconsin Public Service and Madison Gas and Electric will each own 10%.

The projects will cost $1.48 billion and are expected to come online in 2027 and 2028.

More: Wisconsin Public Radio