Exhibit 99.1 Canadian Solar Reports Third Quarter 2023 Results Guelph, Ontario, November 14, 2023 – Canadian Solar Inc. ("Canadian Solar" or the "Company") (NASDAQ: CSIQ) today announced financial results for the third quarter ended September 30, 2023. Third Quarter Highlights · 39% increase in solar module shipments year-over-year ("yoy") to 8.3 GW. · Net revenues of $1.85 billion, with a 16.7% gross margin, and net income attributable to Canadian Solar of $0.32 per diluted share. · $2.6 billion e-STORAGE ...