Canadian Solar vs SP Enerji - solar panel manufacturer comparison
Canadian Solar has the broader catalog (292 vs 33 models). Canadian Solar leads on peak efficiency at 24.40%. Canadian Solar leans bifacial (46% of lineup).
Both catalogues are read from the manufacturers' own datasheets. A brand is not scored against the market here, only against the other brand on this page.
The two companies
Canadian Solar Inc. is a global renewable energy company founded in 2001. Headquartered in Kitchener, Ontario, it manufactures solar PV modules and provides battery energy storage solutions. The company also develops utility-scale solar power and battery energy storage projects.
- Founded
- 2001
- Headquarters
- Kitchener, Canada
- Annual capacity
- 51 GW/year
- Employees
- 17,113
- Listed
- NASDAQ: CSIQ
- Tier 1 bankable
- Yes
SP Enerji is a solar panel manufacturer and installation company located in Adana, Turkey. Established in 2008, they produce photovoltaic solar panels and offer engineering solutions including consultancy, installation, infrastructure, assembly, commissioning, sales and after-sales technical support services. The...
- Founded
- 2008
- Headquarters
- Adana, Turkey
- Annual capacity
- 1.2 GW/year
Catalogue against catalogue
An average over a catalogue describes the range a manufacturer publishes, not the module you would buy. A brand with two flagship panels and eighty older ones averages worse than one that has retired its back catalogue.
What each of them builds
Canadian Solar skews to higher efficiency: 13% of lineup is 23%+
Canadian Solar offers more 600W+ panels (24% of lineup)
Dominant cell tech: <strong>PERC</strong> (67%)
Dominant cell tech: <strong>PERC</strong> (100%)
The flagships
Written summary
Canadian Solar is a Canadian manufacturer founded in 2001 and listed on NASDAQ since 2006, having grown into one of the most recognized and bankable module suppliers globally. The company appears on the S&P Global Commodity Insights Tier 1 list and meets BloombergNEF Tier 1 criteria, with module manufacturing capacity of roughly 51 GW as of end-2025 and production spread across multiple countries. SP Enerji, by contrast, is a much smaller Turkish manufacturer based in Adana, operating since 2008 with an annual production capacity of around 1.2 GW, focused mainly on the Turkish and regional market, with no confirmed BloombergNEF Tier 1 listing found in available sources. On institutional footprint and bankability, Canadian Solar holds a clear advantage.
Canadian Solar's product range spans residential rooftop systems, commercial and industrial installations, and utility-scale ground-mount projects, and the company is actively developing both TOPCon (TOPBiHiKu series) and HJT cell technology, emphasizing efficiency gains and lower-carbon manufacturing. SP Enerji's catalog leans toward smaller-scale deployments, with PERC and polycrystalline modules in the 320 to 395 W range, positioning it more as a regional rooftop supplier than a partner for large bank-financed utility projects.
For an international buyer prioritizing financeable, well-documented panels with long warranty backing and global after-sales support, Canadian Solar is the safer default choice, particularly for commercial or utility-scale work. SP Enerji may suit smaller, budget-conscious residential installations within its regional reach, but given the unconfirmed Tier 1 status and much smaller production scale, the two brands are not realistically interchangeable - they serve different tiers of the market.
Generated by Claude Sonnet 5 · 2026-09-18
Other brand comparisons
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Comparisons are computed from manufacturer datasheets held in the ComparePV database and may not reflect a brand's complete current lineup. Nothing on this page is paid placement.