From: Mercom Capital Group

Eos Energy Enterprises, a zinc-based long-duration energy storage solutions provider, has announced a $75 million equity investment from Hudson Bay Capital Management to support its investment in Frontier Power USA (FPUSA), a vertically integrated long-duration energy storage developer and independent power producer. Hudson Bay also committed to invest $50 million directly into FPUSA, subject to certain conditions, Eos said.

United Solar, a polysilicon manufacturer for the solar industry, has completed the financial close of a previously announced $50 million equity investment from the International Finance Corporation (IFC), the private sector arm of the World Bank Group. The company said the transaction completes its $1.6 billion capital raise from a consortium of global investors. The financing supports United Solar’s polysilicon manufacturing facility in Oman’s Sohar Free Zone.

Inox Clean Energy has announced that the Adar Poonawalla Family Office, through Rising Sun Holdings, has invested ₹7 billion (~$73.5 million) into the renewable energy platform, valuing the firm at ₹700 billion (~$7.35 billion). The investment follows 10 strategic acquisitions completed by Inox Clean over the past 10 months, boosting its independent power producer, solar manufacturing, and related clean energy businesses.

Nesa Power Group, a South Africa-based commercial and industrial renewable energy company, has secured R150 million (~$9 million) in mezzanine debt funding from Maia Capital Partners. Covington & Burling acted as legal counsel to Maia Capital Partners on the transaction. Nesa develops integrated renewable energy solutions for commercial and industrial customers, including solar generation and battery storage under long-term power purchase agreements (PPAs).

Royal Vopak, a company that owns and operates infrastructure for the storage and handling of liquids and gases, has acquired a 79% stake in Green Energy Storage (GES) and taken a final investment decision for a 200 MW/800 MWh battery energy storage project in Oosterhout, the Netherlands. Green Energy Storage is a Dutch developer, owner, and operator of utility-scale battery energy storage systems (BESS). The company manages the entire project lifecycle from site identification and permitting to financing, realization, and operational management.

TCL Zhonghuan Renewable Energy Technology (TCL Zhonghuan), a Chinese solar wafer manufacturer, has completed its controlling acquisition of DAS Solar Technology (DAS Solar), a manufacturer of solar cells and modules. The transaction was completed through an equity purchase, capital increase, and the acceptance of entrusted voting rights. TCL Zhonghuan’s board approved the investment on March 30, 2026.

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.