Canadian Solar to Provide a 75 MW / 300 MWh Energy Storage System to the Mustang Solar Project in California

The 75 MW or 4-hour 300 MWh energy storage system is a retrofit addition to the Mustang solar plant in King's County, California, which was originally developed by Canadian Solar's wholly owned subsidiary Recurrent Energy, LLC ("Recurrent Energy").

Canadian Solar Inc. (the "Company", or "Canadian Solar") (NASDAQ: CSIQ), announced today that it has closed a supply contract and long term service agreement with Goldman Sachs Renewable Power LLC, part of the Renewable Power Group of Goldman Sachs Asset Management ("Goldman Sachs"), to deliver and integrate a 75 MW / 300 MWh lithium-ion battery storage solution into the 100 MWac Mustang solar plant in California.


The 75 MW or 4-hour 300 MWh energy storage system is a retrofit addition to the Mustang solar plant in King's County, California, which was originally developed by Canadian Solar's wholly owned subsidiary Recurrent Energy, LLC ("Recurrent Energy"). The solar plant was connected to the grid in August 2016 and the project's equity stake was later sold to Goldman Sachs in May 2019.

Canadian Solar will provide the complete integrated solution, including a lithium iron phosphate-based technology package, and all future operations, maintenance and battery augmentation services. In addition, the Company will support the storage solution with fully wrapped capacity and performance guarantees, ensuring system output, reliability and safety. Construction of the energy storage component of the project will begin in early 2021 and is expected to be operational by the second half of 2021.

By pairing solar PV with advanced battery technology, Canadian Solar helps its customers to generate and store solar power during the day for use in the evening. This approach allows California's power grid to absorb and integrate higher levels of reliable, safe and affordable renewable energy while contributing to the state's climate mitigation efforts.

Dr. Shawn Qu, Chairman and CEO of Canadian Solar, commented, "We are pleased to start supplying this large-scale solar plus energy storage project which will be fully developed by Canadian Solar with our own proprietary technological capabilities. The adoption and integration of energy storage will improve the utilization of solar energy and meaningfully enlarge our global addressable market."

Dr. Qu added, "We are excited to partner again with Goldman Sachs to deliver clean, cost effective and end-to-end solar energy and storage solutions to our customers and local communities. Despite the challenging market backdrop due to the pandemic, our teams continue to develop innovative technology solutions and execute our business plan. This is a landmark project, the first of many more to come."

About Canadian Solar Inc.

Canadian Solar was founded in 2001 in Canada and is one of the world's largest solar power companies. It is a leading manufacturer of solar photovoltaic modules and provider of solar energy and storage solutions and has a geographically diversified pipeline of utility-scale solar power projects in various stages of development. Over the past 19 years, Canadian Solar has successfully delivered over 46 GW of premium-quality, solar photovoltaic modules to customers in over 150 countries. Canadian Solar is one of the most bankable companies in the solar industry, having been publicly listed on NASDAQ since 2006. For additional information about the Company, follow Canadian Solar on LinkedIn or visit www.canadiansolar.com.

About Goldman Sachs Renewable Power LLC

Goldman Sachs Renewable Power LLC is a privately held company managed the Renewable Power Group of Goldman Sachs Asset Management (GSAM). GSRP is the sponsor of more than 800 solar projects across 27 U.S. states that collectively have a capacity of more than 1.8 gigawatts of clean, renewable power. GSAM's Renewable Power Group is comprised of investment professionals with leading industry expertise across transaction sourcing, financial analysis, power markets and physical asset analysis and operations. The team takes a long-term ownership approach to the operations and management of renewable assets and benefits from Goldman Sachs' extensive network of relationships, leading institutional infrastructure and in-house industry knowledge and experience. The Renewable Power Group is part of GSAM, one of the world's leading asset managers with approximately $1.9 trillion in assets under supervision globally as of June 30, 2020.

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