Funding and M&A Roundup: Palmer Energy Technology Acquires Brill Power
Hitachi Energy acquires remaining shares of eks Energy
September 3, 2025
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From: Mercom Capital Group
Palmer Energy Technology Limited, a U.K.-based maker of Battery Energy Storage Systems, announced the acquisition of Brill Power, an Oxford University spin‑out focusing on cell‑level control and active balancing technology in battery management systems. Alongside the acquisition, the company also secured a £5 million (~$6.8 million) Series A funding round, co-led by FirstGroup Energy Limited with additional participation from Barclays Climate Ventures and the University of Oxford.
Hitachi Energy, a provider of sustainable energy and power grid solutions, has completed the acquisition of the remaining stake in eks Energy, a provider of power electronics and energy management solutions for integrating storage and renewables. The acquisition is expected to enhance Hitachi Energy’s power conversion system technology for energy storage. The integration of eks Energy’s technology and talent is stated to provide Hitachi Energy with greater strategic and operational flexibility.
TagEnergy, a clean energy company investing in competitive generation and storage assets, has acquired ACE Power, a developer of early-stage renewable energy projects. The acquisition, from majority shareholder Pelion New Energy along with several minority investors, is expected to accelerate TagEnergy’s growth trajectory. It also brings 27 energy transition professionals into the team. The acquisition will see ACE Power’s third-party co-development projects continue under the TagEnergy banner.
India-based wind energy solutions company Inox Wind has announced the redemption of its preference shares, worth ₹5.6 billion (~$65.12 million). In a stock exchange disclosure, the company said it has fully redeemed 560 million unlisted, non-convertible, non-cumulative, participating, and redeemable preference shares. These shares carried a coupon of 0.01% and had a face value of ₹10 (~$0.12) each. The redemption was executed at par.
Van Dorp, a technical service provider, has reached an agreement to acquire Lyv, a startup focused on supplying batteries and energy management software. Lyv will continue to operate under its own name and will be supported by the Van Dorp branches
For reports and trackers on funding and M&A transactions in solar, energy storage, and smart grid sectors, click here.
Read last week’s funding roundup.