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SUSI Partners Expands Solar Energy Support with Major Battery Storage Investment in Chile

SUSI Partners, through its SUSI Energy Transition Fund (SETF), has committed to funding the development of a battery energy storage portfolio in central-southern Chile. This investment expands SUSI’s partnership with local developer BIWO Renovables (BIWO) by adding a new dimension to their ongoing collaboration, which includes distributed and utility-scale renewable energy projects in the region.

The SETF will invest in a portfolio comprising 22 battery energy storage projects, targeting a total capacity of 860 MW and up to 3.5 GWh. Most of these projects are at advanced stages of development, with the first expected to be ready for construction in the first half of 2025.

BIWO, the project developer, has secured valuable interconnection capacity in key locations. As renewable energy increasingly contributes to Chile’s power grid, standalone battery storage systems are becoming a cost-effective and rapidly deployable solution to ease pressure on transmission networks. This need is underscored by recent updates to capacity market regulations, which highlight the importance of energy storage solutions.

This latest deal marks a significant milestone in the ongoing collaboration between SUSI and BIWO, which already encompasses distributed generation projects under Chile’s PMGD price stabilization regime and utility-scale hybrid solar PV and battery storage projects. The expansion into standalone battery storage is a natural progression for the partnership, leveraging both parties’ experience in the sector.

The transaction demonstrates SUSI’s capability to integrate its energy transition investment expertise with local knowledge and networks to access proprietary project pipelines and capitalize on market opportunities for its clients.

SETF, SUSI Partners’ evergreen infrastructure equity fund, maintains a diverse portfolio across various energy transition themes, including clean energy generation, energy efficiency, battery storage, customer energy solutions, and electric vehicle charging.

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