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CSIQ vs PLUG
Which Stock Would AI Choose? Canadian Solar (CSIQ) vs. Plug Power (PLUG) Stock Comparison
Key Takeaways
- CSIQ reported Q1 2026 revenue of $1.08 billion, beating estimates, with shares surging over 50% in recent weeks amid solar module and energy storage demand.
- PLUG delivered 22% year-over-year Q1 revenue growth to $163.5 million, with gross margins improving 71%, fueling a 101% YTD stock gain driven by hydrogen ecosystem expansion.
- Both stocks operate in clean energy but differ in focus: CSIQ on established solar manufacturing (TTM revenue $5.6B), PLUG on emerging hydrogen (TTM revenue $740M), leading to higher volatility for PLUG (beta 2.07 vs. CSIQ's 1.44).
- PLUG boasts larger market cap (~$4-5B) and stronger YTD momentum, while CSIQ shows recent earnings momentum and lower enterprise value relative to revenue.
- Recent market activity highlights sector tailwinds, with PLUG up significantly YTD but both facing profitability challenges (negative EPS for both).
Introduction
This stock comparison examines CSIQ (Canadian Solar Inc.) and PLUG (Plug Power Inc.), two prominent players in the clean energy sector. Canadian Solar focuses on solar photovoltaic modules and battery storage solutions, while Plug Power leads in hydrogen fuel cells and green hydrogen production. Traders seeking exposure to renewable energy transitions and investors tracking relative performance in volatile markets may find this analysis valuable. Amid recent earnings beats and sector momentum, understanding their business models, recent price behavior, and market positioning provides insights into potential trade-offs in growth, risk, and sentiment.
CSIQ Overview and Recent Performance
Canadian Solar Inc. (CSIQ) is a leading manufacturer of solar photovoltaic modules, provider of battery energy storage solutions via e-STORAGE, and developer of utility-scale solar projects through Recurrent Energy. The company operates globally, with segments in manufacturing (solar modules, ingots, wafers) and project development. Recent market activity saw CSIQ shares surge over 50% in the past month following Q1 2026 results, where revenue hit $1.08 billion (beating estimates by 13.75%) despite a net loss of $0.71 per share (better than expected). Gross margins reached 25.1%, boosted by U.S. tariff refunds and strong energy storage shipments of 2.1 GWh. Sentiment has shifted positively on robust U.S. manufacturing, a $3+ billion e-STORAGE backlog, and global solar demand, though YTD returns lag at around 28% amid broader solar sector pressures. Market cap stands at approximately $1.36 billion, with TTM revenue of $5.6 billion.
PLUG Overview and Recent Performance
Plug Power Inc. (PLUG) designs and sells hydrogen solutions, including PEM fuel cells (GenDrive for material handling), electrolyzers (GenEco), liquefaction systems, and turn-key hydrogen infrastructure (GenKey). The company targets material handling, e-mobility, and stationary power, building a vertical hydrogen ecosystem from production to delivery. In recent weeks, PLUG shares exhibited strong momentum, posting 101% YTD gains and high trading volume, supported by Q1 2026 revenue of $163.5 million (up 22% year-over-year) and 71% gross margin improvement. Despite wider losses, progress toward positive EBITDA by year-end, over 320 MW electrolyzer deployments, and an $8 billion project pipeline have bolstered sentiment. Volatility remains elevated (beta 2.07), with shares ranging from $0.69 to $4.58 over 52 weeks. Market cap is around $4-5 billion, reflecting growth expectations in green hydrogen despite TTM losses.
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Head-to-Head Comparison
CSIQ and PLUG both tap clean energy demand but contrast sharply in business models: CSIQ’s mature solar manufacturing yields higher revenue scale ($5.6B TTM vs. PLUG’s $740M) and geographic diversification, while PLUG’s hydrogen focus offers higher growth potential through electrolyzer deployments and fuel cell adoption in material handling and transport. Recent momentum favors PLUG with 101% YTD returns versus CSIQ’s 28%, reflecting hydrogen hype, though CSIQ’s post-earnings surge shows catch-up potential. Risk profiles differ—PLUG’s higher beta (2.07) signals greater volatility tied to emerging tech and execution risks, versus CSIQ’s steadier 1.44 beta amid tariff protections and storage backlog. Sector exposure pits solar’s established utility-scale growth against hydrogen’s nascent catalysts like policy support and industrial decarbonization. Market sentiment leans toward PLUG for speculative upside but CSIQ for relative stability and profitability path, with trade-offs in valuation (both unprofitable, CSIQ forward P/E ~21.5).
Tickeron AI Verdict
Tickeron’s AI currently favors PLUG based on superior trend consistency, explosive YTD momentum, and positioning in the high-growth hydrogen sector with margin improvements and a substantial project pipeline. While CSIQ offers earnings beats and solar stability, PLUG’s relative outperformance and catalysts suggest higher probabilistic upside in the near term, though with elevated volatility.
Disclaimer
The information on this webpage is provided for general informational and educational purposes only and is not intended as investment advice, a recommendation to purchase or sell any security, or an offer or solicitation related to investments. It does not consider your personal financial situation, goals, or risk profile, and all investing carries inherent risks, including the possibility of losing your entire investment. For more details, please review our full Disclaimers and Limitations.
To compare these two companies we present long-term analysis, their fundamental ratings and make comparative short-term technical analysis which are presented below. The conclusion is CSIQ is a StrongBuy and PLUG is a StrongBuy.
Long-Term Analysis
It is best to consider a long-term outlook for a ticker by using Fundamental Analysis (FA) ratings. The rating of 1 to 100, where 1 is best and 100 is worst, is divided into thirds. The first third (a green rating of 1-33) indicates that the ticker is undervalued; the second third (a grey number between 34 and 66) means that the ticker is valued fairly; and the last third (red number of 67 to 100) reflects that the ticker is undervalued. We use an FA Score to show how many ratings show the ticker to be undervalued (green) or overvalued (red).
CSIQ’s FA Score shows that 1 FA rating(s) are green whilePLUG’s FA Score has 0 green FA rating(s).
- CSIQ’s FA Score: 1 green, 4 red.
- PLUG’s FA Score: 0 green, 5 red.
Short-Term Analysis
It is best to consider a short-term outlook for a ticker by using Technical Analysis (TA) indicators. We use Odds of Success as the percentage of outcomes which confirm successful trade signals in the past.
If the Odds of Success (the likelihood of the continuation of a trend) for each indicator are greater than 50%, then the generated signal is confirmed. A green percentage from 90% to 51% indicates that the ticker is in a bullish trend. A red percentage from 90% - 51% indicates that the ticker is in a bearish trend. All grey percentages are below 50% and are considered not to confirm the trend signal.
CSIQ’s TA Score shows that 6 TA indicator(s) are bullish while PLUG’s TA Score has 5 bullish TA indicator(s).
- CSIQ’s TA Score: 6 bullish, 4 bearish.
- PLUG’s TA Score: 5 bullish, 4 bearish.
Price Growth
CSIQ (@Alternative Power Generation) experienced а -2.51% price change this week, while PLUG (@Electrical Products) price change was -14.15% for the same time period.
The average weekly price growth across all stocks in the @Alternative Power Generation industry was +2.29%. For the same industry, the average monthly price growth was +0.98%, and the average quarterly price growth was +13.76%.
The average weekly price growth across all stocks in the @Electrical Products industry was +0.81%. For the same industry, the average monthly price growth was +4.90%, and the average quarterly price growth was +11.35%.
Reported Earning Dates
CSIQ is expected to report earnings on Aug 20, 2026.
PLUG is expected to report earnings on Aug 12, 2026.
Industries' Descriptions
@Alternative Power Generation (+2.29% weekly)The alternative power generation industry consists of companies that operate power facilities converting non-conventional forms of energy into electricity. These energy forms are alternatives to fossil fuels, and many of them are derived from natural resources. Alternative energy forms include solar, wind, hydro, and geothermal steam. A major purpose behind using alternative energy – also called ‘clean’ energy - is to address concerns related to the more conventional fossil fuels, such as the latter’s high carbon dioxide emissions which is often considered a factor in global warming. Alternative power generation has been gaining traction in recent years, and could grow further in the future. Large organizations like Google have invested substantially in wind and solar energy-powered electricity. Some of the prominent U.S. companies operating in the alternative power generation industry includes Ormat Technologies, Inc., TerraForm Power, Inc. and NextEra Energy Partners LP.
@Electrical Products (+0.81% weekly)The industry produces a diverse range of electricity-powered equipment, appliances and components, catering to both households and industries. The products include power, distribution and specialty transformers; electric motors, generators and motor-generator sets; switchgear and switchboard apparatus; light bulbs, tubes, fittings and electric signs etc. Consumer income, construction spending, and industrial production are major drivers of demand for this industry’s products. Large companies tend to have economies of scale in production, marketing, and distribution, while smaller companies can potentially carve out their own market through niche or specialty offerings. The US electrical products manufacturing industry includes about 5,700 establishments (single-location companies and units of multi-location companies) with combined annual revenue of about $125 billion. (according to a study published in First Research). Emerson Electric Co., Hubbell Incorporated and Eaton Corporation plc are major electrical products makers in the U.S.
| CSIQ | PLUG | CSIQ / PLUG | |
| Capitalization | 1.14B | 3.85B | 29% |
| EBITDA | 154M | -1.63B | -9% |
| Gain YTD | -29.617 | 40.102 | -74% |
| P/E Ratio | 20.09 | N/A | - |
| Revenue | 5.48B | 740M | 740% |
| Total Cash | 1.44B | 223M | 646% |
| Total Debt | 7.81B | 1.01B | 773% |
CSIQ | PLUG | ||
|---|---|---|---|
OUTLOOK RATING 1..100 | 68 | 60 | |
VALUATION overvalued / fair valued / undervalued 1..100 | 35 Fair valued | 45 Fair valued | |
PROFIT vs RISK RATING 1..100 | 100 | 100 | |
SMR RATING 1..100 | 94 | 99 | |
PRICE GROWTH RATING 1..100 | 61 | 46 | |
P/E GROWTH RATING 1..100 | 4 | 100 | |
SEASONALITY SCORE 1..100 | 50 | n/a |
Tickeron ratings are formulated such that a rating of 1 designates the most successful stocks in a given industry, while a rating of 100 points to the least successful stocks for that industry.
CSIQ's Valuation (35) in the Electrical Products industry is in the same range as PLUG (45) in the Electronic Components industry. This means that CSIQ’s stock grew similarly to PLUG’s over the last 12 months.
CSIQ's Profit vs Risk Rating (100) in the Electrical Products industry is in the same range as PLUG (100) in the Electronic Components industry. This means that CSIQ’s stock grew similarly to PLUG’s over the last 12 months.
CSIQ's SMR Rating (94) in the Electrical Products industry is in the same range as PLUG (99) in the Electronic Components industry. This means that CSIQ’s stock grew similarly to PLUG’s over the last 12 months.
PLUG's Price Growth Rating (46) in the Electronic Components industry is in the same range as CSIQ (61) in the Electrical Products industry. This means that PLUG’s stock grew similarly to CSIQ’s over the last 12 months.
CSIQ's P/E Growth Rating (4) in the Electrical Products industry is significantly better than the same rating for PLUG (100) in the Electronic Components industry. This means that CSIQ’s stock grew significantly faster than PLUG’s over the last 12 months.
| CSIQ | PLUG | |
|---|---|---|
| RSI ODDS (%) | 3 days ago 86% | 3 days ago 86% |
| Stochastic ODDS (%) | 3 days ago 78% | 3 days ago 73% |
| Momentum ODDS (%) | 3 days ago 86% | 3 days ago 88% |
| MACD ODDS (%) | 3 days ago 82% | 3 days ago 83% |
| TrendWeek ODDS (%) | 3 days ago 86% | 3 days ago 88% |
| TrendMonth ODDS (%) | 3 days ago 87% | 3 days ago 90% |
| Advances ODDS (%) | 3 days ago 79% | 19 days ago 82% |
| Declines ODDS (%) | 5 days ago 86% | 3 days ago 90% |
| BollingerBands ODDS (%) | 3 days ago 80% | 3 days ago 88% |
| Aroon ODDS (%) | 3 days ago 90% | 3 days ago 79% |
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| 1 Day | |||
|---|---|---|---|
| MFs / NAME | Price $ | Chg $ | Chg % |
| NRSRX | 63.67 | 1.27 | +2.04% |
| Neuberger Quality Equity R6 | |||
| JEVNX | 11.87 | 0.11 | +0.94% |
| JHancock Disciplined Value Em Mkts EqNAV | |||
| SMFPX | 12.37 | 0.11 | +0.90% |
| Westwood Salient MLP & Engy Infras C | |||
| ANWPX | 74.07 | 0.23 | +0.31% |
| American Funds New Perspective A | |||
| RCMPX | 16.52 | -0.01 | -0.06% |
| Lazard International Quality Gr R6 | |||
CSIQ and
Correlation & Price change
A.I.dvisor indicates that over the last year, CSIQ has been loosely correlated with JKS. These tickers have moved in lockstep 58% of the time. This A.I.-generated data suggests there is some statistical probability that if CSIQ jumps, then JKS could also see price increases.
| Ticker / NAME | Correlation To CSIQ | 1D Price Change % | ||
|---|---|---|---|---|
| CSIQ | 100% | +6.15% | ||
| JKS - CSIQ | 58% Loosely correlated | +6.20% | ||
| FCEL - CSIQ | 54% Loosely correlated | -4.24% | ||
| BE - CSIQ | 50% Loosely correlated | +4.56% | ||
| PLUG - CSIQ | 48% Loosely correlated | -2.47% | ||
| SLDP - CSIQ | 46% Loosely correlated | -1.06% | ||
More | ||||
PLUG and
Correlation & Price change
A.I.dvisor indicates that over the last year, PLUG has been loosely correlated with BLDP. These tickers have moved in lockstep 64% of the time. This A.I.-generated data suggests there is some statistical probability that if PLUG jumps, then BLDP could also see price increases.
| Ticker / NAME | Correlation To PLUG | 1D Price Change % | ||
|---|---|---|---|---|
| PLUG | 100% | -2.47% | ||
| BLDP - PLUG | 64% Loosely correlated | +0.24% | ||
| RUN - PLUG | 61% Loosely correlated | +2.71% | ||
| FCEL - PLUG | 58% Loosely correlated | -4.24% | ||
| CSIQ - PLUG | 48% Loosely correlated | +6.15% | ||
| ENVX - PLUG | 45% Loosely correlated | -0.60% | ||
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