Pattern Energy's 3,650 MW SunZia wind farm in New Mexico is fully operational
KEY DEVELOPMENTS
- SunZia's 3,650 MW Wind Farm Fully Commissioned: Pattern Energy's massive onshore wind project in is now generating at full capacity, claiming the title of largest operational wind farm in the U.S. —. Read More: New Mexico, Wind Power Monthly.
- Trump Administration Buys Back Invenergy Offshore Leases: The Interior Department is purchasing four offshore wind leases from Invenergy for $765 million and redirecting the funds toward fossil fuel development —. Read More: Renewable Energy World.
- Aypa Power Energizes 250 MW Battery in Arizona: The Pediment battery energy storage system — 250 MW / 1,000 MWh — is now online in Mesa, serving Salt River Project, with a second 250 MW / 2,000 MWh phase due in December 2028 —. Read More: PV Magazine USA.
- Solar Overtakes Gas in California for 2026: Utility-scale solar outproduced natural gas on 82% of days in CAISO's first five months, as gas generation fell 60% from 2024 levels and battery storage capacity surged 79% to 16 GW —. Read More: PV Magazine USA.
- Clean Energy Groups Sue Over North Carolina Solar Halt: A coalition filed for a preliminary injunction against the N.C. Utilities Commission's cancellation of the state's 2026 solar and storage procurement, calling the move unconstitutional —. Read More: CleanTechnica.
Solar & Storage
's grid crossed a threshold that seemed aspirational just two years ago: utility-scale solar generation topped natural gas output on 82% of days during the first five months of 2026, according to CAISO data. Solar capacity in the region climbed 19% to 25 GW, while battery storage nearly doubled, jumping 79% to 16 GW between April 2024 and April 2026. Natural gas generation dropped 60% compared to 2024 — a collapse driven as much by storage eating into evening peak demand as by solar panels multiplying across the desert. For developers and investors elsewhere, the California numbers are a real-time stress test of what happens when storage scales fast enough to chase gas off the dispatch curve. Read More: California, reported by PV Magazine USA.
In , Aypa Power and Salt River Project flipped the switch on the Pediment battery energy storage system, a 250 MW / 1,000 MWh lithium-ion installation in Mesa designed to backstop the fast-growing Phoenix metro grid. SRP says it can serve roughly 56,250 homes. A — 250 MW with double the duration at 2,000 MWh — is scheduled for December 2028, which would bring the combined site to 500 MW / 3,000 MWh. SRP has been on a storage spree; this week's news follows last week's announcement of a compressed CO₂ long-duration project with Energy Dome, signaling that the Arizona utility is hedging its bets across chemistries and durations as data center load projections climb. Read More: Arizona, second phase.
The legal fight over 's solar pipeline intensified Thursday when clean energy groups filed a motion for a preliminary injunction challenging the state Utilities Commission's decision to cancel the 2026 utility-scale solar and battery storage procurement process. The groups argue the cancellation is unconstitutional, a claim that will be closely watched by developers who had been counting on the procurement cycle to advance projects in a state that ranks among the top five for installed solar capacity. If the injunction fails, North Carolina's near-term solar development pipeline could stall indefinitely, a risk that ripples into supply-chain contracts and construction schedules already in motion. Read More: North Carolina.
On the EV charging front, Electrify America opened a 20-charger station in Santa Barbara backed by a 1.9 MW battery energy storage system — the company's. Each charger delivers 350 kW. Pairing high-power chargers with on-site storage blunts demand charges and reduces the need for costly utility upgrades, a model that charging networks increasingly view as essential for financial viability at high-traffic sites. Read More: largest storage deployment to date.
Wind Energy
SunZia is done. Pattern Energy's 3,650 MW wind farm in central New Mexico has been , completing a project that spent more than a decade navigating permitting, transmission routing, and financing hurdles. The project exports power via a dedicated 550-mile high-voltage direct-current transmission line to Arizona and California — infrastructure that itself became a multiyear regulatory battle. SunZia's output dwarfs any single U.S. wind installation; at 3,650 MW, it surpasses the combined capacity of several states' entire wind fleets. For onshore wind, the project is proof that mega-scale development is still possible in the American West, even as federal policy shifts against the sector. Read More: fully commissioned.
That federal shift was on full display Thursday. The Trump administration confirmed plans to , with the funds redirected to fossil fuel development. This is the administration's latest lease buyback, extending a pattern that has effectively frozen new offshore wind development in U.S. waters. Invenergy's leases represent projects that were in early-to-mid-stage development; their elimination shrinks the already contracting offshore pipeline. Developers still holding leases face a binary calculation: negotiate a buyback or wait out the administration's term, absorbing carrying costs on assets that cannot advance through permitting. Read More: purchase four offshore wind leases from Invenergy for $765 million.
Policy & Markets
FERC announced it will as part of environmental reviews for energy projects. The change strips out a layer of review that examined how a project's effects interact with those of other nearby developments — a tool environmental groups have used to challenge fossil fuel and renewable projects alike. For clean energy developers, the near-term effect is faster permitting timelines and fewer procedural hooks for opponents. But the policy cuts both ways: it also clears the path for gas pipelines and LNG terminals that compete for the same grid interconnections and market share. Read More: no longer conduct cumulative impact analyses.
A new industry coalition is pushing sodium-ion batteries as an alternative to lithium for grid storage. The American Battery Leadership Coalition launched this week to lobby for federal policies that would support domestic sodium-ion manufacturing, is scalable, free of cobalt and lithium supply-chain risks, and well suited to the surge in electricity demand from data centers. Separately, Graphite One is advancing plans for a vertically integrated graphite supply chain with a mine in Alaska and a processing facility in , targeting the anode-material bottleneck that remains one of the weakest links in. Both efforts reflect a bet that Washington — regardless of its posture toward renewable generation — will continue to support battery supply-chain independence from China. Read More: arguing the chemistry, Ohio, domestic battery production.
In Colorado, Cherry Creek School District in the Denver metro area is converting its yellow school buses into mobile power plants. The district is deploying electric buses with , allowing the buses to feed power back during peak demand hours when they would otherwise sit idle in parking lots. It's a small-scale test, but utilities watching V2G pilots closely see school bus fleets — with their predictable schedules and centralized parking — as among the most promising entry points for distributed storage that doesn't require new construction. Read More: vehicle-to-grid two-way charging.
LOOKING AHEAD
- North Carolina Solar Injunction Ruling: A court decision on the preliminary injunction against the Utilities Commission's procurement cancellation could come within weeks, determining whether the state's 2026 solar and storage pipeline survives or stalls.
- Pediment Phase 2 Progress: Aypa Power's second Arizona battery phase — 250 MW / 2,000 MWh — is targeted for December 2028; watch for SRP to announce additional procurement as Phoenix-area load growth accelerates.
- Offshore Wind Lease Buyback Fallout: With $765 million headed to Invenergy, remaining offshore leaseholders face mounting pressure to negotiate or hold; expect industry groups to challenge the fund-redirection mechanism in federal court.
TODAY'S QUICK ANSWERS
Q: What does FERC's elimination of cumulative impact analyses mean for renewable energy permitting timelines?
A: Projects should face fewer procedural delays and one less avenue for legal challenges. But developers should not assume the change is permanent — a future commission could reinstate the requirement, and environmental groups are likely to challenge the policy in court. The more immediate concern: the same streamlining benefits fossil fuel projects competing for interconnection capacity.
Q: Why does California's 60% drop in gas generation matter beyond state borders?
A: It demonstrates that solar-plus-storage at sufficient scale can structurally displace gas rather than merely supplement it. With battery capacity at 16 GW and climbing, California is generating the operating data — on reliability, curtailment, and price formation — that other grid operators and state regulators will use to justify or resist similar buildouts. The economics are no longer theoretical.
Q: What should offshore wind developers watch after the Invenergy buyback?
A: The $765 million price tag sets a benchmark for future negotiations. Developers still holding leases need to weigh the carrying cost of maintaining permits and team capacity against the likelihood that federal permitting reopens before their leases expire. State-level offtake contracts — particularly in New York, New Jersey, and Massachusetts — remain the strongest anchor for projects that choose to wait.
THE BOTTOM LINE: The same week the nation's largest wind farm went fully operational at 3,650 MW, the Trump administration pulled another $765 million in offshore wind leases off the table — a split screen that captures the clean energy sector's central tension in 2026: ground-level momentum running headlong into top-down policy resistance.