--- title: "Alpha ESS vs Canadian Solar - Brand Comparison | ComparePV" description: "Compare Alpha ESS vs Canadian Solar solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background." source: "https://comparepv.com/alpha-ess-vs-canadian-solar" --- # Alpha ESS vs Canadian Solar Canadian Solar has the broader catalog (292 vs 0 models). Canadian Solar leans bifacial (46% of lineup). ## The two companies | Attribute | Alpha ESS | Canadian Solar | | --- | --- | --- | | Country | China | Canada | | Headquarters | Nantong | Kitchener | | Founded | 2012 | 2001 | | Employees | 100-500 | 17,113 | | Annual capacity | | 51 GW/year | | Tier 1 | yes | yes | | Listed | | NASDAQ: CSIQ | | Website | [https://www.alphaess.com](https://www.alphaess.com) | [https://www.canadiansolar.com](https://www.canadiansolar.com) | AlphaESS is a global provider of battery energy storage systems headquartered in Nantong, Jiangsu, China. Founded in 2012, the company specializes in residential and commercial energy storage solutions, EV chargers, and intelligent energy management systems. AlphaESS operates in over 90 countries through 15+... 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. ## Catalog & Power | Measure | Alpha ESS | Canadian Solar | Margin | | --- | --- | --- | --- | | Panel Models | 0 | 292 | +292 | | Max Power | 0 W | 730 W | +730 W | | Avg Power | 0 W | 472 W | +472 W | ## Efficiency | Measure | Alpha ESS | Canadian Solar | Margin | | --- | --- | --- | --- | | Max Efficiency | - | 24.40% | | | Avg Efficiency | - | 20.66% | | ## Reliability & Warranty | Measure | Alpha ESS | Canadian Solar | Margin | | --- | --- | --- | --- | | Avg Temp Coefficient | - | -0.331%/°C | | | Bifacial Share | 0 (0%) | 133 (46%) | +46 pp | | Avg Warranty | - | 28.2 yrs | | ## Efficiency distribution Canadian Solar skews to higher efficiency: 13% of lineup is 23%+ | Efficiency band | Alpha ESS | Canadian Solar | | --- | --- | --- | | \<20% | 0 | 128 (43.8%) | | 20-21% | 0 | 36 (12.3%) | | 21-22% | 0 | 41 (14.0%) | | 22-23% | 0 | 50 (17.1%) | | 23%+ | 0 | 37 (12.7%) | ## Power distribution Canadian Solar offers more 600W+ panels (24% of lineup) | Power band | Alpha ESS | Canadian Solar | | --- | --- | --- | | \<400W | 0 | 104 (35.6%) | | 400-499W | 0 | 72 (24.7%) | | 500-599W | 0 | 45 (15.4%) | | 600-699W | 0 | 64 (21.9%) | | 700W+ | 0 | 7 (2.4%) | ## Cell technology Dominant cell tech: **PERC** (67%) | Technology | Alpha ESS | Canadian Solar | | --- | --- | --- | | PERC | 0 | 195 (66.8%) | | TOPCon | 0 | 85 (29.1%) | | HJT | 0 | 12 (4.1%) | ## Top panels, Canadian Solar | # | Model | Power | Efficiency | Temp. coefficient | Technology | | --- | --- | --- | --- | --- | --- | | 1 | [CS7N-730TB-AG](https://comparepv.com/panel/csi-solar-co-ltd-canadian-solar-cs7n-730tb-ag) | 730 | 23.5 | -0.290 | Monocrystalline | | 2 | [CS7N-725TB-AG](https://comparepv.com/panel/csi-solar-co-ltd-canadian-solar-cs7n-725tb-ag) | 725 | 23.3 | -0.290 | Monocrystalline | | 3 | [CS7N-720TB-AG](https://comparepv.com/panel/csi-solar-co-ltd-canadian-solar-cs7n-720tb-ag) | 720 | 23.2 | -0.290 | Monocrystalline | | 4 | [CS7N-715TB-AG](https://comparepv.com/panel/csi-solar-co-ltd-canadian-solar-cs7n-715tb-ag) | 715 | 23.0 | -0.290 | Monocrystalline | | 5 | [CS7N-710TB-AG](https://comparepv.com/panel/csi-solar-co-ltd-canadian-solar-cs7n-710tb-ag) | 710 | 22.9 | -0.290 | Monocrystalline | | 6 | [CS7N-705TB-AG](https://comparepv.com/panel/csi-solar-co-ltd-canadian-solar-cs7n-705tb-ag) | 705 | 22.7 | -0.290 | Monocrystalline | | 7 | [CS7N-700TB-AG](https://comparepv.com/panel/csi-solar-co-ltd-canadian-solar-cs7n-700tb-ag) | 700 | 22.5 | -0.290 | Monocrystalline | | 8 | [CS7N-695TB-AG](https://comparepv.com/panel/csi-solar-co-ltd-canadian-solar-cs7n-695tb-ag) | 695 | 22.4 | -0.290 | Monocrystalline | | 9 | [CS7N-690TB-AG](https://comparepv.com/panel/csi-solar-co-ltd-canadian-solar-cs7n-690tb-ag) | 690 | 22.2 | -0.290 | Monocrystalline | | 10 | [CS7N-675MS](https://comparepv.com/panel/csi-solar-co-ltd-canadian-solar-cs7n-675ms) | 675 | 21.7 | -0.340 | Monocrystalline | ## Summary Alpha ESS is a Chinese energy storage manufacturer founded in 2012 in Nantong, Jiangsu Province, specializing in battery systems and hybrid inverters rather than photovoltaic modules. With over 200,000 systems deployed across more than 130 countries, the company has built a meaningful presence in the residential and commercial storage segment, but it does not appear on BloombergNEF's Tier 1 solar module lists because it does not produce panels. Canadian Solar, by contrast, is one of the world's largest photovoltaic module manufacturers, founded in 2001 and headquartered in Guelph, Ontario. A long-standing BloombergNEF Tier 1 manufacturer, the company has shipped more than 174 GW of modules cumulatively and is expanding U.S.-based manufacturing in Texas and Indiana alongside its existing global production base that targets an annual capacity exceeding 60 GW. In terms of institutional scale and bankability as a panel supplier, Canadian Solar holds an incomparably stronger position. Because Alpha ESS does not produce solar panels, a direct product comparison is not straightforward. Alpha ESS competes in the inverter-plus-storage market with its Smile and STORION product lines, which pair with any brand of third-party module for behind-the-meter residential and light commercial use. Canadian Solar's module portfolio is broad: the HiKu7 line serves utility-scale and commercial ground-mount projects, the TOPHiKu6 uses N-type TOPCon cell technology at the premium residential and commercial rooftop end of the range, and the BiHiKu series targets bifacial configurations for yield-optimised installations. Canadian Solar has also entered battery storage through its e-Storage division, creating some indirect market overlap with Alpha ESS. For any buyer choosing solar panels, Canadian Solar is the only relevant option between these two brands, as Alpha ESS simply does not manufacture modules. Alpha ESS is better understood as a storage integrator whose hardware complements panels from manufacturers such as Canadian Solar. Buyers assembling a solar-plus-storage system might realistically combine Canadian Solar modules with an Alpha ESS battery unit, rather than treating the two brands as direct substitutes. \---LINKS--- \- https://www.solarreviews.com/blog/canadian-solar-panels-expert-review \| Canadian Solar Panels 2025 Expert Review - SolarReviews \| review \- https://www.ess-news.com/2024/09/25/alphaess-on-latest-products-achievements-international-expansion/ \| AlphaESS on latest products, achievements and international expansion \| article \- https://www.solarfeeds.com/biz/alpha-ess-co-ltd/ \| Alpha ESS Company Overview - Production Capacity and Tier 1 status \| article \- https://assets.bnef.com/public/tiering/solarmodules.pdf \| BloombergNEF Tier 1 Solar Module Methodology - March 2026 \| article Sources: \- \[Canadian Solar Panels 2025 Expert Review\](https://www.solarreviews.com/blog/canadian-solar-panels-expert-review) \- \[AlphaESS on latest products, achievements and international expansion\](https://www.ess-news.com/2024/09/25/alphaess-on-latest-products-achievements-international-expansion/) \- \[Alpha ESS Company Overview - SolarFeeds\](https://www.solarfeeds.com/biz/alpha-ess-co-ltd/) \- \[BloombergNEF Tier 1 Solar Module Methodology\](https://assets.bnef.com/public/tiering/solarmodules.pdf) Written by claude-sonnet from the figures above. ## Other comparisons - [Alpha ESS vs A.B. Energy](https://comparepv.com/alpha-ess-vs-a-b-energy) - [AE Solar vs Canadian Solar](https://comparepv.com/ae-solar-vs-canadian-solar) - [Alpha ESS vs AEET](https://comparepv.com/alpha-ess-vs-aeet) - [AIKO vs Canadian Solar](https://comparepv.com/aiko-vs-canadian-solar) - [Alpha ESS vs AKCOME](https://comparepv.com/alpha-ess-vs-akcome) - [ARTsolar vs Canadian Solar](https://comparepv.com/artsolar-vs-canadian-solar) --- Source: https://comparepv.com/alpha-ess-vs-canadian-solar