EnerVenue, a novel battery maker, plans to raise $515M, according to a filing

EnerVenue Raises $515 Million for Nickel-Hydrogen Battery Factory

EnerVenue, a burgeoning player in the renewable energy storage sector, is securing $515 million in new equity, according to a document seen by TechCrunch. The funds are aimed at supporting the construction of a gigawatt-scale plant in Kentucky, which will manufacture nickel-hydrogen batteries, a project with a price tag of $264 million. This follows the $125 million Series A round the company concluded in late 2021. So far, EnerVenue has amassed $308 million of its current $515 million goal.

Advanced Battery Technology Inspired by Space

The company’s technology leverages a battery chemistry initially designed for space missions, including the International Space Station and the Hubble Space Telescope. These nickel-hydrogen batteries are exceptionally durable, capable of enduring extreme temperatures and retaining capacity over time, which is ideal for spacecraft but has historically been expensive for terrestrial use.

However, Yi Cui from Stanford, who is also the chairman of EnerVenue, introduced significant modifications to reduce costs, such as removing the costly platinum component. These adjustments could potentially lower the battery's production cost to less than $80 per kilowatt-hour at scale. The resulting batteries, though not as energy-dense as lithium-ion, have distinct advantages such as tolerating a broad range of temperatures without requiring additional cooling, making them appealing for storing excess renewable energy.

The Path Ahead: Factory and Production Challenges

The new funding round highlights the considerable financial demands of scaling up production capacity to meet market requirements. Constructing such a novel, large-scale factory often entails high costs and risks, discouraging traditional infrastructure funds from providing the needed credit. Typically, startups like EnerVenue must secure substantial amounts from venture capital firms, exchanging equity to fund major projects.

EnerVenue’s challenge now is to complete the construction of the Kentucky factory, ramp up production, and deploy its innovative batteries. A spokesperson for the company did not immediately reply to a request for comment. The startup hopes its batteries' durability and minimal maintenance needs will attract utility companies keen on finding efficient solutions for storing renewable energy. With significant customer commitments already in place, EnerVenue seems poised to make a substantial impact, despite the industry’s inherent hurdles.