The Treasury Department is due to release new tax credit eligibility guidance that BloombergNEF estimates could put more than 2,500 wind and solar projects at risk. Although the specifics have yet to be released, Rhone Resch of Advanced Energy Advisors warns that many projects "aren't going to be able to adapt to these new deadlines."

Watch this space: To sort out changes to tax credits and help make sense of new tariffs, Jessica Libby, Principal at KPMG Trade and Customs, will be making a return appearance next week on the Renewable Energy SmartPod.

Transmission lines that support wind and solar projects are facing increased Bureau of Land Management scrutiny under a recent Interior Department order, but that doesn't mean that they won't be able to find a path forward, writes Jael Holzman after speaking with the BLM. Based on those conversations, it appears that projects are only subject to enhanced reviews if they're tied to a specific wind or solar project. NV Energy's Greenlink line is not -- and it's expected to secure a record of decision next month.

Oregon activist Irene Gilbert has used a decades-old liberal policy to challenge renewable energy projects, including wind farms and transmission lines. The policy, originally intended to slow nuclear power, has created a cumbersome approval process that allows for endless public appeals. Gilbert's efforts have highlighted the difficulties faced by renewable energy developers in Oregon, a state that ranks near the bottom for green energy growth despite ambitious climate goals.

The Arizona Corporation Commission has voted unanimously to begin repealing the Renewable Energy Standard and Tariff. The standard requires utilities to get 15% of electricity from renewable sources by 2025. "The ACC's actions send the message that Arizona is closed for business when it comes to renewable energy," says Itzel Rios-Vega of Vote Solar.

Sodium-ion batteries are gaining traction, particularly in China, for stationary storage and small-scale mobility. In this episode of the Catalyst podcast, Landon Mossburg from Peak Energy discusses the advantages of sodium-ion, such as better thermal management and supply chain benefits, although the technology faces challenges in energy density compared with lithium-ion.

The Trump administration has proposed nearly $1 billion in funding to accelerate the development of US critical minerals and materials in an effort to reduce reliance on foreign sources, particularly China. The Energy Department plans to allocate up to $500 million for processing and manufacturing, $135 million for rare earth element supply chains, and $250 million for mineral byproducts from industrial processes.

A federal appeals court has ruled that only the Government Accountability Office can sue over President Trump's decision to withhold congressionally approved funds, handing the White House a significant legal victory. The decision overturns a lower court order to release frozen foreign aid and strips cities, states, and nonprofits of standing to challenge similar funding freezes.

T1 Energy and Corning have inked a deal to ensure domestic access to silicon wafers. Corning's Michigan-made wafers will be shipped to T1's solar cell factory in Austin, Texas. Corning has also reached a supply agreement with Suniva and acquired a solar panel assembly site in Phoenix.

EDF Power Solutions North America has agreed to sell the 1-gigawatt-hour Beehive battery energy storage project in Peoria, Ariz., to Copenhagen Infrastructure Partners. The 250-megawatt, four-hour facility is expected to begin operations in the first half of next year and has a 20-year tolling agreement with Arizona Public Service.

Regional financing ecosystems involving regional banks, CDFIs, green banks, local governments and economic development organizations are essential for scaling clean energy tailored to local needs, asserts RMI. In this piece, the team discusses how Community Financing Roadmaps in Minnesota and New Orleans are driving clean energy and economic growth at the local level.