Peak Power Bringing Sodium-Ion Battery Storage To Wisconsin

---

Help CleanTechnica’s work by way of a Substack subscription or on Stripe.

---

Information about sodium-ion batteries is cropping up in every single place you look, however principally it pertains to electrical vehicles. One of many prime advantages of sodium-ion know-how for drivers is the best way it shrugs off the charging and efficiency drops that happen with conventional NMC and LFP batteries in chilly temperatures.

However there are different benefits, together with extraordinarily lengthy life and low flammability. Typically, sodium-ion batteries require much less cooling, which might considerably cut back the associated fee and complexity of battery packs. Between the decrease price of the batteries and the absence of advanced cooling methods, sodium-ion guarantees to speed up the transition to electrical autos by reducing the value of recent battery-powered vehicles.

Peak Power

Peak Power was based in 2023 by a bunch of entrepreneurs who beforehand labored at Tesla, Enovix, and Apple. It’s mission is to developed low price, giga-scale power storage know-how to dramatically decrease the price of power storage and set up the US as a world chief within the battery know-how.

In a press launch dated March 12, 2026, Peak Power introduced an settlement with RWE Americas, a number one world power firm that at the moment has about 13 GW of working belongings within the US, to pilot its proprietary passively cooled sodium-ion grid storage battery know-how.

The pilot mission will probably be deployed in Jap Wisconsin on the RWE lab, and can make RWE Americas a primary mover in bringing subsequent era, capital environment friendly power storage to the grid when absolutely adopted. Constructed to maximise sodium-ion’s stability and thermal benefits, Peak Power’s battery storage system dramatically reduces the price of power storage and eases the necessity for pricey new energy vegetation, straight addressing the power price disaster in America.

Dispatchable & Dependable

“Power storage is central to offering dispatchable, dependable power on demand. Peak’s improvements, enabled by sodium-ion batteries, tremendously cut back power storage prices,” stated Landon Mossburg, CEO of Peak Power. “Delivering the bottom price electron is Peak Power’s north star, and we’re proud to work with RWE Americas to function our cost-optimized batteries.”

On its web site, Peak Power claims, “Our sodium-ion know-how is particularly engineered for stationary storage. It’s safer, decrease price, and free from the essential mineral dependencies which have lengthy [delayed] lithium-based options.”

Peak’s proprietary power storage system allows protected operation at a large temperature vary with out a efficiency lower, dramatically altering the economics of power storage. Counting on extremely secure sodium-ion (NFPP) battery cells, Peak’s power storage system eliminates pricey routine upkeep, removes cooling methods that waste power, and reduces “overbuild” — the quantity of extra storage required to account for capability degradation over time.

Decrease Prices

Due to these enhancements, the corporate’s power storage methods cut back the lifetime price of power saved by a mean of $70/kWh. Making use of these lifetime saving would decrease the overall worth of a battery system right now by half. If we thought battery storage was a scorching subject earlier than, think about what’s going to occur if the associated fee drops by 50%!

The MISO area — which incorporates Wisconsin – is going through unprecedented power demand development, fast price will increase, and a essential lack of power storage capability. Final 12 months, a report from Aurora Power Analysis concluded that the set up of 10 GWh of battery storage capability over the following decade might cut back whole MISO system prices by as a lot as $27 billion in comparison with a baseline state of affairs.

Deploying that very same capability utilizing Peak’s GS-1.1 methods would scale back the upfront set up prices of a brand new battery power storage system by greater than 25% relative to standard lithium-ion options. The corporate’s passive cooling is accountable for a lot of that lower, as a consequence of decrease working prices and lowered lifetime system upkeep.

GS-1.1 Know-how

“GS-1.1 is the primary commercially obtainable sodium‑ion battery power storage system constructed for grid‑scale deployment,” the corporate says. “Powered by NFPP chemistry, it operates with out energetic cooling– a world first at scale. Infrastructure‑prepared, drop‑in suitable, and constructed for harsh environments from day one. Eliminating conventional balance-of-system parts removes over 85 p.c of fireside dangers and addresses the remaining with a safer sodium‑ion cell. This isn’t a tech demo. It’s a industrial system able to scale.”

Batteries on the grid enhance general reliability and cut back client prices by storing surplus power at low demand instances and deploying it to the grid at peak demand, limiting reliance on costly power spot markets. This reduces the necessity for pricey new era applied sciences and maximizes the dispatchable use of economically environment friendly intermittent power era sources.

Fast, Dependable, Resilient

Peak Power says it designs, manufactures, and delivers next-generation power storage methods that allow the fast, dependable, and resilient development of the electrical energy grid.

“On the core of our platform is a proprietary sodium-ion know-how, goal constructed for grid scale functions. Our chemistry — NFPP sodium iron pyro-phosphate phosphate — is the constructing block for an inherently protected, passively cooled system [that is] free from the thermal dangers and uncommon materials dependencies of lithium-based methods. It requires no auxiliary energy, no energetic upkeep, and no fireplace suppression — making it ideally suited for dense city settings, distant deployments, and demanding infrastructure alike.

“We function throughout your complete power storage worth chain. From cell R&D and manufacturing to system integration and grid interconnection, our mannequin is vertically built-in and designed for execution. Each element — from cathode to inverter — is optimized to scale back price, velocity up deployment, and maximize long run reliability.

“Our methods are modular and scalable, constructed for quick meeting and automation. We don’t simply provide batteries, we ship absolutely operational, site-ready options that cut back whole price of possession from day one.

“With absolutely home manufacturing within the US, take-or-pay buyer contracts, and a transparent path to twenty+ GWh of annual capability, Peak Power is redefining how storage is constructed and deployed. Our work helps the enlargement of AI infrastructure, the decarbonization of energy methods, and the resilience of communities going through growing grid instability.

“We ship what the longer term calls for — clear, compact, price efficient storage that’s protected to deploy, simple to scale, and prepared now.”

Monetary Incentives Stay Energetic

The excellent news for corporations like Peak Power is that when the present administration declared struggle on renewable power by eliminating all of the carrots baked into the Inflation Discount Act, it spared these for power storage. In consequence, these BESS installations nonetheless qualify for these incentives, which has the unintended impact of creating photo voltaic plus storage methods cheaper to put in.

Shhhhhh, don’t inform Chris Wright, who thinks ecological collapse will probably be a enterprise alternative, however BESS is coming for his beloved fossil fuels. In the long term, the free market will kick his methane-addled goals to the curb as clear power use continues to surge all throughout America.

So sorry, Chris. You and your buddies will quickly be the largest losers because the power transition powers ahead into the longer term with out you. Nobody will miss you when you find yourself gone on January 20, 2029, should you survive that lengthy within the threshing machine generally known as Trump 2.