Is CSIQ a good stock to buy? We came across a bullish thesis on Canadian Solar Inc. on EAA Partners’s Substack. In this article, we will summarize the bulls’ thesis on CSIQ. Canadian Solar Inc.’s share was trading at $17.16 as of June 5th. CSIQ’s trailing and forward P/E were 29.90 and 21.51 respectively according to Yahoo Finance.
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Canadian Solar Inc., together with its subsidiaries, provides solar energy and battery energy storage products and solutions in Asia, the United States and internationally. CSIQ is presented as a structurally complex vertically integrated solar and energy storage platform generating approximately $5.5 billion in annual revenue, yet trading at a fraction of book value due to the market’s difficulty in pricing its three distinct businesses: CSI Solar manufacturing, CS PowerTech U.S. manufacturing ramp, and Recurrent Energy project development.
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The investment thesis centers on the idea that the current valuation compresses three simultaneously stressed but potentially mean-reverting segments into a single depressed equity, creating a mispricing driven by temporary margin pressure, delayed project monetisation, and heavy capital expenditure rather than permanent structural impairment.
CSI Solar is undergoing a transition from commoditised Chinese module manufacturing toward higher-margin U.S. production through CS PowerTech, including a $1.3 billion 2026 capex program that builds HJT cell and module capacity in Indiana, Texas, and Kentucky. This shift positions Canadian Solar to capture IRA 45X manufacturing credits and FEOC-compliant demand, creating a structurally higher-margin domestic business once fully ramped.
Recurrent Energy adds a second engine through a 24 GW solar and 83 GWh storage pipeline, with $3.5 billion backlog providing visibility and monetisation potential via asset sales and long-term contracted power revenues. Meanwhile, e-STORAGE, with its $3.5 billion backlog and rapidly expanding utility-scale footprint, represents the highest-growth segment benefiting from secular grid storage demand driven by data centre load growth and energy transition needs.
Despite near-term headwinds, including margin compression and elevated $6.4 billion debt, the bullish case argues these pressures are cyclical and transitional. If execution holds, including timely Jeffersonville HJT ramp, Recurrent Energy asset sales of $800 million–$1.2 billion annually, and continued storage backlog expansion, Canadian Solar’s consolidated revenue could re-rate toward $8.5–$9 billion by FY2028. Under a 5x–6x EV/revenue multiple, this implies a potential 2–3x upside from current levels, driven by manufacturing re-rating, storage franchise recognition, and balance sheet deleveraging, making CSIQ a high-risk but asymmetric upside opportunity.
