Transaction overview

Funds managed by Hamilton Lane and GCM Grosvenor acquired a 49.9% interest in Big Sky Wind, a 240 MW operating wind facility located in Illinois, from Power Sustainable Energy Infrastructure (PSEI). The transaction was completed on April 30, 2026, with the deal value undisclosed. PSEI retained a majority stake and will continue to oversee the asset's operations.

Deal structure and financing

The exact equity-debt split for the acquisition is unknown, but it is likely that the funds used a combination of equity from their managed vehicles and debt financing. Hamilton Lane and GCM Grosvenor typically leverage their investments with a moderate level of debt based on risk profiles and market conditions. Sell-side advisors were not disclosed in the announcement, but buy-side advisors included Hamilton Lane and GCM Grosvenor.

Strategic context

This acquisition allows Hamilton Lane and GCM Grosvenor to partner with PSEI for long-term investment in renewable energy infrastructure. The rationale behind this deal is to gain exposure to a high-quality operating wind asset that benefits from stable market fundamentals, particularly within the PJM electricity grid region. For PSEI, retaining a majority stake enables them to recycle capital and fund new investments across their portfolio while maintaining control over strategic assets.

Regulatory path

No specific regulatory hurdles or approvals were mentioned in the transaction announcement. Given the deal's size and the parties involved, it is likely that U.S. antitrust authorities such as the Federal Trade Commission (FTC) or Department of Justice (DOJ) reviewed the acquisition. However, no remedies or conditions have been publicly disclosed.