Comprehensive Stock Comparison
Compare ReNew Energy Global plc (RNWWW) vs PowerBank Corporation (SUUN) Stock
Analyze side-by-side fundamentals, valuation, growth, and profitability to decide which stock is the better buy.
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Quick Verdict
| Category | Winner | Why |
|---|---|---|
| Growth | RNWWW | 19.4% revenue growth vs SUUN's -28.9% |
| Quality / Margins | RNWWW | 9.2% net margin vs SUUN's -7.5% |
| Stability / Safety | SUUN | Lower D/E ratio (381.5% vs 5.6%) |
| Dividends | Tie | Neither pays a meaningful dividend |
| Momentum (1Y) | SUUN | -78.1% vs RNWWW's -93.4% |
| Efficiency (ROA) | RNWWW | 1.2% ROA vs SUUN's -2.6%, ROIC 4.9% vs -11.7% |
Who Each Stock Is For
Growth exposure
Long-term compounding (10Y)
Sleep-well-at-night portfolio
Defensive / Recession hedge
Business Model
What each company does and how it makes money
ReNew Energy Global is a renewable energy developer and operator that builds and runs utility-scale wind and solar power projects in India. It makes money primarily by selling electricity through long-term power purchase agreements — with wind and solar generation contributing roughly 80% and 20% of revenue respectively — supplemented by engineering and maintenance services. Its competitive advantage lies in its first-mover scale in India's renewable market, a large project pipeline, and expertise in navigating the country's complex regulatory environment.
PowerBank Corporation develops and operates solar power generation projects in Ontario and New York. It makes money primarily from selling electricity generated by its behind-the-meter solar installations, community solar gardens, and utility-scale solar farms — with long-term power purchase agreements providing stable revenue. The company's competitive advantage lies in its expertise in navigating complex permitting and grid interconnection processes for solar projects in regulated markets.
Revenue Breakdown by Segment
How each company's revenue is distributed across its business units
Segment breakdown not available.
Financial Metrics Comparison
Side-by-side fundamentals across 2 stocks. BestLagging
Financial Scorecard
RNWWW leads in 2 of 6 categories (Financial Metrics, Profitability & Efficiency). SUUN leads in 1 (Total Returns). 2 tied.
Financial Metrics (TTM)
RNWWW is the larger business by revenue, generating $129.7B annually — 2639.0x SUUN's $49M. RNWWW is the more profitable business, keeping 9.2% of every revenue dollar as net income compared to SUUN's -7.5%. On growth, RNWWW holds the edge at +37.2% YoY revenue growth, suggesting stronger near-term business momentum.
| Metric | RNWWWReNew Energy Glob… | SUUNPowerBank Corpora… |
|---|---|---|
| RevenueTrailing 12 months | $129.7B | $49M |
| EBITDAEarnings before interest/tax | $86.9B | -$500,554 |
| Net IncomeAfter-tax profit | $12.0B | -$4M |
| Free Cash FlowCash after capex | -$23.8B | -$32M |
| Gross MarginGross profit ÷ Revenue | +77.9% | +31.1% |
| Operating MarginEBIT ÷ Revenue | +48.4% | -11.1% |
| Net MarginNet income ÷ Revenue | +9.2% | -7.5% |
| FCF MarginFCF ÷ Revenue | -18.4% | -64.2% |
| Rev. Growth (YoY)Latest quarter vs prior year | +37.2% | +27.4% |
| EPS Growth (YoY)Latest quarter vs prior year | +94.8% | +103.6% |
Valuation Metrics
| Metric | RNWWWReNew Energy Glob… | SUUNPowerBank Corpora… |
|---|---|---|
| Market CapShares × price | — | $34M |
| Enterprise ValueMkt cap + debt − cash | — | $84M |
| Trailing P/EPrice ÷ TTM EPS | 0.06x | -1.10x |
| Forward P/EPrice ÷ next-FY EPS est. | — | — |
| PEG RatioP/E ÷ EPS growth rate | — | — |
| EV / EBITDAEnterprise value multiple | — | — |
| Price / SalesMarket cap ÷ Revenue | — | 1.14x |
| Price / BookPrice ÷ Book value/share | 0.00x | 1.73x |
| Price / FCFMarket cap ÷ FCF | — | — |
Profitability & Efficiency
RNWWW delivers a 8.4% return on equity — every $100 of shareholder capital generates $8 in annual profit, vs $-15 for SUUN. SUUN carries lower financial leverage with a 3.81x debt-to-equity ratio, signaling a more conservative balance sheet compared to RNWWW's 5.59x. On the Piotroski fundamental quality scale (0–9), RNWWW scores 4/9 vs SUUN's 2/9, reflecting mixed financial health.
| Metric | RNWWWReNew Energy Glob… | SUUNPowerBank Corpora… |
|---|---|---|
| ROE (TTM)Return on equity | +8.4% | -15.0% |
| ROA (TTM)Return on assets | +1.2% | -2.6% |
| ROICReturn on invested capital | +4.9% | -11.7% |
| ROCEReturn on capital employed | +6.9% | -13.9% |
| Piotroski ScoreFundamental quality 0–9 | 4 | 2 |
| Debt / EquityFinancial leverage | 5.59x | 3.81x |
| Net DebtTotal debt minus cash | $691.9B | $68M |
| Cash & Equiv.Liquid assets | $40.4B | $8M |
| Total DebtShort + long-term debt | $732.3B | $75M |
| Interest CoverageEBIT ÷ Interest expense | 86.76x | -3.52x |
Total Returns (with DRIP)
A $10,000 investment in SUUN five years ago would be worth $1,551 today (with dividends reinvested), compared to $34 for RNWWW. Over the past 12 months, SUUN leads with a -78.1% total return vs RNWWW's -93.4%. The 3-year compound annual growth rate (CAGR) favors SUUN at -46.3% vs RNWWW's -75.0% — a key indicator of consistent wealth creation.
| Metric | RNWWWReNew Energy Glob… | SUUNPowerBank Corpora… |
|---|---|---|
| YTD ReturnYear-to-date | +4.3% | -59.9% |
| 1-Year ReturnPast 12 months | -93.4% | -78.1% |
| 3-Year ReturnCumulative with dividends | -98.4% | -84.5% |
| 5-Year ReturnCumulative with dividends | -99.7% | -84.5% |
| 10-Year ReturnCumulative with dividends | -99.7% | -84.5% |
| CAGR (3Y)Annualised 3-year return | -75.0% | -46.3% |
Risk & Volatility
RNWWW is the less volatile stock with a -0.16 beta — it tends to amplify market swings less than SUUN's 0.56 beta. A beta below 1.0 means the stock typically moves less than the S&P 500. SUUN currently trades 15.6% from its 52-week high vs RNWWW's 3.8% drawdown — a narrower gap to the peak suggests stronger recent price momentum.
| Metric | RNWWWReNew Energy Glob… | SUUNPowerBank Corpora… |
|---|---|---|
| Beta (5Y)Sensitivity to S&P 500 | -0.16x | 0.56x |
| 52-Week HighHighest price in past year | $0.19 | $4.99 |
| 52-Week LowLowest price in past year | $0.00 | $0.74 |
| % of 52W HighCurrent price vs 52-week peak | +3.8% | +15.6% |
| RSI (14)Momentum oscillator 0–100 | 44.1 | 29.6 |
| Avg Volume (50D)Average daily shares traded | 13K | 2.4M |
Analyst Outlook
| Metric | RNWWWReNew Energy Glob… | SUUNPowerBank Corpora… |
|---|---|---|
| Analyst RatingConsensus buy/hold/sell | — | — |
| Price TargetConsensus 12-month target | — | — |
| # AnalystsCovering analysts | — | — |
| Dividend YieldAnnual dividend ÷ price | — | — |
| Dividend StreakConsecutive years of raises | 1 | — |
| Dividend / ShareAnnual DPS | — | — |
| Buyback YieldShare repurchases ÷ mkt cap | — | 0.0% |
Historical Charts
Charts are rendered on first load. Hover for details.
Chart 1Total Return — 5 Years (Rebased to 100)
| Stock | Apr 24 | Feb 26 | Change |
|---|---|---|---|
| ReNew Energy Global… (RNWWW) | 100 | 1.56 | -98.4% |
| PowerBank Corporati… (SUUN) | 100 | 30.94 | -69.1% |
PowerBank Corporati… (SUUN) returned -84% over 5 years vs ReNew Energy Global… (RNWWW)'s -100%.
Chart 2Revenue Growth — 10 Years
| Stock | 2016 | 2025 | Change |
|---|---|---|---|
| ReNew Energy Global… (RNWWW) | $13.1B | $97.1B | +642.5% |
| PowerBank Corporati… (SUUN) | $7M | $42M | +465.3% |
Chart 3Net Margin Trend — 10 Years
| Stock | 2016 | 2025 | Change |
|---|---|---|---|
| ReNew Energy Global… (RNWWW) | 2.6% | 3.9% | +51.9% |
| PowerBank Corporati… (SUUN) | -1.8% | -74.7% | -4058.7% |
Chart 4EPS Growth — 10 Years
| Stock | 2016 | 2025 | Change |
|---|---|---|---|
| ReNew Energy Global… (RNWWW) | 1.13 | 10.92 | +866.4% |
| PowerBank Corporati… (SUUN) | -0.01 | -0.97 | -11572.3% |
Chart 5Free Cash Flow — 5 Years
ReNew Energy Global plc generated $-26B FCF in 2024 (+45% vs 2021). PowerBank Corporation generated $-26M FCF in 2025 (-849% vs 2021).
RNWWW vs SUUN: Frequently Asked Questions
7 questions · data-driven answers · updated daily
01Is RNWWW or SUUN a better buy right now?
ReNew Energy Global plc (RNWWW) offers the better valuation at 0.1x trailing P/E, making it the more compelling value choice. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.
02Which is the better long-term investment — RNWWW or SUUN?
Over the past 5 years, PowerBank Corporation (SUUN) delivered a total return of -84.5%, compared to -99.7% for ReNew Energy Global plc (RNWWW). A $10,000 investment in SUUN five years ago would be worth approximately $2K today (assuming dividends reinvested). Over 10 years, the gap is even starker: SUUN returned -84.5% versus RNWWW's -99.7%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.
03Which is safer — RNWWW or SUUN?
By beta (market sensitivity over 5 years), ReNew Energy Global plc (RNWWW) is the lower-risk stock at -0.16β versus PowerBank Corporation's 0.56β — meaning SUUN is approximately -456% more volatile than RNWWW relative to the S&P 500. On balance sheet safety, PowerBank Corporation (SUUN) carries a lower debt/equity ratio of 4% versus 6% for ReNew Energy Global plc — giving it more financial flexibility in a downturn.
04Which has better profit margins — RNWWW or SUUN?
ReNew Energy Global plc (RNWWW) is the more profitable company, earning 3.9% net margin versus -74.7% for PowerBank Corporation — meaning it keeps 3.9% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: RNWWW leads at 53.5% versus -20.3% for SUUN. At the gross margin level — before operating expenses — RNWWW leads at 91.1%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.
05Which pays a better dividend — RNWWW or SUUN?
None of the stocks in this comparison currently pay a material dividend. All are effectively zero-yield and should be held for capital appreciation rather than income.
06Is RNWWW or SUUN better for a retirement portfolio?
For long-horizon retirement investors, ReNew Energy Global plc (RNWWW) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β -0.16)). Both have compounded well over 10 years (RNWWW: -99.7%, SUUN: -84.5%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.
07What are the main differences between RNWWW and SUUN?
Both stocks operate in the Utilities sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both. In terms of investment character: RNWWW is a small-cap deep-value stock; SUUN is a small-cap quality compounder stock. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.
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