ACME Solar Holdings Ltd: India's Renewable Energy Powerhouse Scaling New Heights

NSE: ACMESOLAR | BSE: 544170 | Sector: Power – Solar Energy | CMP: ₹318 | Market Cap: ₹19,297 Cr

1. Business Overview

ACME Solar Holdings Ltd is one of India's largest renewable energy independent power producers (IPPs), positioned among the country's top 10 renewable energy players by operational capacity as of June 30, 2024. Incorporated in 2015, the company has evolved from a pure-play solar developer into a diversified renewable energy platform spanning solar, wind, hybrid, and firm and dispatchable renewable energy (FDRE) projects.

The company's business model is built around long-term power purchase agreements (PPAs) — typically 25-year contracts — with government bodies and private entities. These PPAs feature fixed tariff rates, providing revenue visibility and insulation from commodity price volatility. ACME Solar operates across 10 Indian states, strategically chosen for their renewable energy potential, and manages the entire project lifecycle in-house — from land acquisition and engineering, procurement, and construction (EPC) to operations and maintenance (O&M).

A key competitive differentiator is ACME's integrated approach. Unlike many peers who outsource EPC or O&M, ACME Solar's in-house capabilities allow it to control costs aggressively, monitor real-time performance, and minimize reliance on third-party contractors. The company's foray into FDRE projects — which include battery energy storage systems (BESS) and pumped hydro components — positions it at the forefront of India's evolving grid, where firm, on-demand renewable power is increasingly valued over intermittent generation.

The stock currently trades at ₹318 per share, up 2.54% on the day, with a 52-week range of ₹196 to ₹324. The market capitalization stands at ₹19,297 crore, placing it firmly in the mid-cap category. The stock has delivered an 18% return over the past 1 year, reflecting growing investor confidence in the renewable energy sector and ACME's execution capabilities.

Key Strengths:

• One of India's top 10 renewable energy IPPs by operational capacity
• Diversified portfolio across solar, wind, hybrid, and FDRE projects
• Long-term 25-year PPAs with creditworthy counterparties
• Fully integrated EPC and O&M capabilities
• Presence across 10 Indian states with high renewable potential
• Strong profit growth of 51.5% CAGR over the last 5 years
• Debtor days improved from 91.8 to 60.1 days, indicating better collections

2. Latest Quarter Deep Dive (Q4 FY26 — March 2026)

The fourth quarter of FY26 (January–March 2026) marked ACME Solar's strongest quarterly performance in recent history, reflecting the benefits of capacity additions and improving operational efficiency.

Revenue Performance:

• Quarterly revenue surged to ₹548 crore, the highest in the company's history
• This represents a 12.5% sequential increase from ₹497 crore in Q3 FY26
• Year-on-year, revenue grew by 12.5% from ₹487 crore in Q4 FY25 (March 2025)
• Compared to the year-ago quarter of ₹295 crore (March 2024), revenue nearly doubled — a 85.8% YoY increase

Profitability Metrics:

• Operating profit reached ₹479 crore with an operating profit margin (OPM) of 87%
• This compares to ₹444 crore (OPM 89%) in Q3 FY26 and ₹436 crore (OPM 90%) in Q4 FY25
• The slight OPM compression from 90% to 87% reflects higher expenses of ₹69 crore (vs. ₹52 crore in Q3), likely due to increased O&M costs for newly commissioned capacity
• Profit before tax (PBT) stood at ₹190 crore, up 21.8% from ₹156 crore in Q3 FY26

Net Profit and EPS:

• Net profit for Q4 FY26 came in at ₹138 crore, the highest quarterly profit in the company's operating history (excluding the one-time ₹532 crore Q4 FY24 figure which included exceptional items)
• This represents a 21.1% jump from ₹114 crore in Q3 FY26 and a 13.1% increase from ₹122 crore in Q4 FY25
• Earnings per share (EPS) for the quarter stood at ₹2.30, the highest normalized quarterly EPS
• The tax rate for Q4 was 27%, consistent with the normalized rate seen across recent quarters

Other Income:

• Other income spiked to ₹171 crore in Q4 FY26, a significant jump from ₹120 crore in Q3 and ₹38 crore in Q4 FY25
• This ₹171 crore figure likely includes gains from the sale of certain assets, interest income on surplus cash, or one-time items related to project monetization
• Excluding other income, core operating profit growth remains robust

Interest and Depreciation:

• Interest costs rose to ₹337 crore, reflecting the expanded debt book as the company funds aggressive capacity expansion
• This is up from ₹288 crore in Q3 FY26 and ₹206 crore in Q4 FY25 — a 63.6% YoY increase
• Depreciation stood at ₹123 crore, marginally higher than ₹120 crore in Q3, reflecting the growing asset base

Quarterly Trend Summary (FY26):

The full-year FY26 revenue of ₹2,023 crore represents a 44% growth over FY25 revenue of ₹1,405 crore, while full-year net profit of ₹498 crore is nearly double the ₹251 crore earned in FY25 — a 98.4% increase.

3. Financial Performance — Annual P&L Analysis

ACME Solar's financial trajectory tells a story of a company that has undergone a dramatic transformation from loss-making to highly profitable, driven by capacity additions and operational leverage.

Revenue Growth:

• FY20: ₹1,777 crore
• FY21: ₹1,692 crore (decline of 4.8%)
• FY22: ₹1,488 crore (decline of 12.1%)
• FY23: ₹1,295 crore (decline of 13.0%)
• FY24: ₹1,319 crore (growth of 1.9% — inflection point)
• FY25: ₹1,405 crore (growth of 6.5%)
• FY26: ₹2,023 crore (growth of 44.0% — strongest growth in years)

The revenue decline from FY20 to FY23 was largely due to asset monetization (selling operational plants) as part of the company's business model. The sharp reversal in FY25 and FY26 reflects new capacity coming online and contributing meaningfully to the top line.

Compounded Sales Growth:

• 5 Years: 4% CAGR
• 3 Years: 16% CAGR
• TTM (Trailing Twelve Months): 44% growth

Operating Profit and Margins:

• Operating profit has ranged between ₹1,094 crore (FY24) and ₹1,781 crore (FY26)
• OPM has been consistently high, ranging from 83% (FY22, FY24) to 93% (FY20), with FY26 at 88%
• The exceptionally high OPM (83–93%) is characteristic of IPPs with fixed-tariff PPAs, where revenue is largely contracted and operating costs are minimal relative to revenue
• FY26 operating profit of ₹1,781 crore represents a 44% increase over FY25's ₹1,237 crore

Profit Growth Trajectory:

• The company reported a net loss of ₹3 crore in FY23
• FY24 saw a dramatic turnaround with a net profit of ₹698 crore, boosted by one-time gains of ₹891 crore in other income
• FY25 normalized net profit was ₹251 crore
• FY26 net profit of ₹498 crore represents 98.4% YoY growth
• Compounded profit growth: 51% CAGR over 5 years and 149% CAGR over 3 years

EPS Trajectory:

• FY23: -₹0.30 (loss)
• FY24: ₹66.81 (inflated by one-time gains)
• FY25: ₹4.17 (normalized)
• FY26: ₹8.23 (nearly doubled)

Dividend Policy:

• The company paid its maiden dividend in FY25 with a 5% payout ratio
• FY26 payout ratio was 2%, reflecting the board's preference to reinvest in growth
• At CMP of ₹318, the dividend yield is a negligible 0.06%

Expense Analysis:

• Total expenses (excluding interest and depreciation) for FY26 were ₹242 crore, up from ₹168 crore in FY25
• As a percentage of revenue, expenses were 12.0% of sales in FY26 vs 12.0% in FY25, indicating stable cost control
• Other income for FY26 was ₹486 crore, significantly higher than ₹147 crore in FY25, likely due to asset sale gains or one-time items

Interest Cost:

• Interest costs have risen from ₹759 crore (FY25) to ₹1,123 crore (FY26) — a 48% increase
• This reflects the near-doubling of borrowings from ₹10,976 crore to ₹19,896 crore as the company funds aggressive capacity expansion
• Interest coverage ratio remains a concern, with the company flagged for having a low interest coverage ratio

Depreciation:

• Depreciation for FY26 was ₹468 crore, up from ₹287 crore in FY25 — a 63% increase
• This is directly proportional to the expanding asset base (fixed assets grew from ₹12,315 crore to ₹15,732 crore)

4. Balance Sheet Analysis

ACME Solar's balance sheet reflects the capital-intensive nature of the renewable energy IPP business, with significant fixed assets funded by a combination of equity, debt, and internal accruals.

Assets Side (As of March 2026):

• Total Assets: ₹28,540 crore — a 57.3% increase from ₹18,140 crore in FY25
• Fixed Assets: ₹15,732 crore (55.1% of total assets), up from ₹12,315 crore in FY25
• Capital Work in Progress (CWIP): ₹4,358 crore (15.3% of total assets), up sharply from ₹1,362 crore in FY25 — indicating a massive pipeline of projects under construction
• Investments: ₹275 crore (stable)
• Other Assets: ₹8,176 crore, up from ₹4,188 crore — includes trade receivables, cash, and other current assets

The combined Fixed Assets + CWIP of ₹20,090 crore represents 70.4% of total assets, underscoring the asset-heavy nature of the business.

Liabilities Side (As of March 2026):

• Equity Capital: ₹121 crore (Face Value ₹2.00 per share)
• Reserves: ₹4,940 crore — up from ₹4,390 crore in FY25
• Total Net Worth: ₹5,061 crore (Equity + Reserves)
• Borrowings: ₹19,896 crore — a massive 81.3% increase from ₹10,976 crore in FY25
• Other Liabilities: ₹3,583 crore

Leverage Analysis:

• Debt-to-Equity Ratio: 3.93x (₹19,896 Cr / ₹5,061 Cr) — significantly elevated
• This is up from 2.08x in FY25 (₹10,976 Cr / ₹5,290 Cr)
• The sharp increase in leverage reflects the aggressive capacity expansion phase
• Book Value Per Share: ₹83.5 (up from ₹74.4 in FY25)
• Price-to-Book: 3.81x (₹318 / ₹83.5)

Balance Sheet Growth Trajectory:

• Total Assets have grown from ₹10,797 crore (FY22) to ₹28,540 crore (FY26) — a 164% increase in 4 years
• Borrowings have grown from ₹7,915 crore (FY22) to ₹19,896 crore (FY26) — a 151% increase
• The equity base has been augmented through the IPO (FY25 equity increased from ₹104 Cr to ₹121 Cr) and retained earnings

Asset Quality:

• Debtor days have improved dramatically from 203 days (FY22) to 60 days (FY26), indicating significantly better collection efficiency
• Working capital days have turned sharply negative at -432 days in FY26 (from -118 days in FY25), meaning the company collects cash from customers faster than it pays suppliers — an extremely favorable position
• Cash conversion cycle: 60 days in FY26 (down from 99 days in FY25)

5. Cash Flow Analysis

Cash flow analysis reveals a company in aggressive investment mode, funding its growth through a combination of operating cash flows and external financing.

Cash from Operations (CFO):

• FY20: ₹922 crore
• FY21: ₹1,746 crore (highest ever)
• FY22: ₹955 crore
• FY23: ₹1,263 crore
• FY24: ₹1,434 crore
• FY25: ₹1,543 crore
• FY26: ₹1,249 crore

The slight decline in CFO for FY26 despite higher profits is due to working capital absorption from new capacity additions. CFO as a percentage of operating profit (CFO/OP) stood at 75% in FY26, down from 135% in FY25, but still healthy.

Cash from Investing (CFI):

• FY26: -₹7,317 crore — the highest investing outflow in the company's history
• This is up from -₹3,976 crore in FY25 and -₹1,888 crore in FY24
• The massive investing outflow reflects the ₹4,358 crore CWIP build-up and new capacity additions

Cash from Financing (CFF):

• FY26: ₹7,015 crore — matching the investing outflow
• This is up from ₹3,408 crore in FY25
• The financing inflows are primarily from fresh borrowings (₹19,896 Cr total debt vs. ₹10,976 Cr in FY25)

Free Cash Flow (FCF):

• FY26: -₹4,071 crore — significantly negative
• FY25: -₹1,719 crore
• FY24: -₹1,368 crore
• The company is in a sustained negative FCF phase, typical of a high-growth IPP in its capacity expansion cycle

Net Cash Flow:

• FY26: ₹947 crore — positive, thanks to financing inflows exceeding investing outflows
• The company ended FY26 with a net cash increase of ₹947 crore, ensuring adequate liquidity

6. Peer Comparison

ACME Solar operates in a competitive landscape dominated by large-cap players. Here's how it stacks up against its listed peers in the power and renewable energy sector:

Peer Median (26 companies in sector): P/E: 29.74, Market Cap: ₹8,485 Cr, Div Yield: 0.0%, ROCE: 6.99%

Key Takeaways from Peer Comparison:

1. Valuation: ACME Solar's P/E of 38.82x is at a discount to Adani Green (132.68x), NTPC Green (165.61x), and JSW Energy (47.33x), but trades at a premium to NTPC (13.66x), NLC India (13.54x), and NHPC (20.70x). Compared to the sector median P/E of 29.74x, ACME Solar commands a modest premium — justified by its higher growth rate.

2. ROCE Leadership: ACME Solar's ROCE of 8.89% is the third-highest in the peer group, behind only NLC India (10.45%) and ahead of NTPC (8.33%), JSW Energy (8.29%), and significantly ahead of Adani Green (7.02%) and NTPC Green (3.53%). This is a critical metric for capital-intensive businesses.

3. Growth Rate: ACME Solar's quarterly sales growth of 12.52% and profit growth story (TTM profit growth of 85%) position it as one of the faster-growing players in the sector. The company's 44% TTM sales growth is among the best in the peer group.

4. Size Advantage vs. Risk: At ₹19,297 crore market cap, ACME Solar is significantly smaller than NTPC (₹3,69,443 crore), Adani Green (₹2,40,405 crore), and JSW Energy (₹1,08,047 crore). This smaller size offers higher growth potential but also higher risk.

5. Dividend: Like most growth-stage renewable companies, ACME Solar offers a negligible dividend yield of 0.06%, similar to Adani Green and NTPC Green (both 0%).

7. Shareholding Pattern

The shareholding pattern of ACME Solar as of March 2026 (Q4 FY26) reveals a promoter-dominated structure with declining institutional interest:

Shareholding Breakdown (March 2026):

• Promoters: 83.29% — marginally down from 83.41% in March 2025
• FIIs (Foreign Institutional Investors): 3.60% — down sharply from 4.74% in March 2025
• DIIs (Domestic Institutional Investors): 7.05% — stable at 7.09% in March 2025
• Public (Retail + HNI): 5.96% — up from 4.75% in March 2025
• Others: 0.10%

Shareholding Trend (Quarterly):

Number of Shareholders:

• March 2025: 2,15,043
• March 2026: 1,64,635 — a decline of 23.4%

Key Observations:

1. Promoter Dominance: With 83.29% promoter holding, the free float is extremely limited at just 16.71%. This creates a supply-demand imbalance that can amplify price movements in both directions.

2. FII Exit: FIIs have been consistently reducing their stake — from 5.54% in December 2024 to 3.60% in March 2026, a reduction of 194 basis points. This could reflect profit-booking after the IPO listing gains or concerns about leverage and valuation.

3. DII Stability: Domestic institutional investors have maintained a steady 6–7% stake, suggesting they see long-term value but are not aggressively accumulating.

4. Retail Participation: Public shareholding has increased from 4.07% to 5.96%, while the number of shareholders has declined from 2,15,043 to 1,64,635. This means fewer shareholders are holding larger positions — a sign of consolidation among informed retail investors.

5. Low Free Float: The effective free float of 16.71% (FIIs + DIIs + Public + Others) is very low for a company of this size, which can lead to higher volatility and wider bid-ask spreads.

8. DCF Valuation

Given the capital-intensive, high-growth nature of ACME Solar's business, a discounted cash flow (DCF) analysis requires careful consideration of the company's investment cycle and long-term cash flow generation potential.

Key Assumptions:

1. Revenue Growth: The company has achieved 44% TTM revenue growth. We assume 30% revenue growth for FY27–FY29 (as new capacity comes online), moderating to 20% for FY30–FY32, and 12% for FY33–FY37 (steady state as the industry matures).

2. Operating Margin: Assumed stable at 88% (consistent with the 5-year average of 86–90%).

3. Tax Rate: 26% (consistent with recent quarters).

4. Capex/Revenue: Given the ₹4,358 crore CWIP and aggressive expansion, we assume capex at 50% of revenue for FY27–FY29, moderating to 25% for FY30–FY32, and 15% thereafter.

5. WACC (Weighted Average Cost of Capital): 10.5% — reflecting the high leverage (debt-to-equity of 3.93x), the renewable energy sector's moderate risk profile, and India's cost of capital.

6. Terminal Growth Rate: 4% — reflecting long-term GDP growth and inflation in India.

Projected Free Cash Flows (₹ Crore):

Terminal Value:

• Terminal FCF (FY37 estimate): ~₹5,500 crore
• Terminal Value = ₹5,500 / (10.5% - 4%) = ₹84,615 crore

Valuation Summary:

• PV of Projected FCFs (FY27–FY32): ~₹7,800 crore
• PV of Terminal Value: ~₹48,200 crore
• Total Enterprise Value: ~₹56,000 crore
• Less: Net Debt: ~₹19,500 crore
• Equity Value: ~₹36,500 crore
• Shares Outstanding: ~60.5 crore
• Intrinsic Value Per Share: ~₹603

DCF-based Upside: The DCF suggests an intrinsic value of approximately ₹603 per share, representing a potential upside of 89.6% from the current market price of ₹318.

Sensitivity Analysis:

Even in the most conservative scenario (WACC 11.5%, terminal growth 3%), the DCF value of ₹450 implies a 41.5% upside from the current price.

Caveats:

• The DCF is highly sensitive to leverage assumptions. If the company's debt-to-equity remains elevated (>3.5x), the WACC should be higher, reducing intrinsic value.
• Free cash flow will remain negative for the next 2–3 years as the company invests heavily in new capacity.
• The terminal growth rate of 4% assumes India's renewable energy sector continues to grow at a healthy pace for 15+ years.

9. Key Risks

1. Elevated Leverage:
The most significant risk is the company's aggressive debt-funded expansion. Borrowings have surged from ₹10,976 crore in FY25 to ₹19,896 crore in FY26 — an 81.3% increase in a single year. The debt-to-equity ratio stands at 3.93x, and interest costs have risen to ₹1,123 crore annually. Any slowdown in revenue growth or increase in interest rates could severely impact profitability.

2. Negative Free Cash Flow:
ACME Solar has reported negative free cash flow for 4 consecutive years (FY23–FY26), with the deficit widening to -₹4,071 crore in FY26. The company is entirely dependent on external financing to fund its growth, making it vulnerable to capital market conditions and refinancing risks.

3. Low Interest Coverage:
Screener.in explicitly flags the company for having a low interest coverage ratio. With interest costs of ₹1,123 crore against an operating profit of ₹1,781 crore, the interest coverage ratio stands at approximately 1.59x — thin comfort for a company with significant debt obligations.

4. High Promoter Holding / Low Free Float:
With 83.29% promoter holding, only 16.71% shares are available for trading. This creates liquidity risk — any large block sale by FIIs or institutional investors could cause significant price disruption.

5. Regulatory and Policy Risk:
The renewable energy sector is heavily dependent on government policies, subsidies, and tariff regulations. Any adverse change in renewable purchase obligations (RPOs), GST treatment, or land acquisition policies could impact growth prospects.

6. Execution Risk:
With CWIP of ₹4,358 crore, the company has a massive pipeline of projects under construction. Delays in commissioning due to supply chain disruptions, land acquisition issues, or regulatory approvals could impact revenue timelines.

7. Concentration Risk:
While the company operates across 10 states, a significant portion of its capacity is solar-focused. The intermittent nature of solar generation and increasing competition in the solar space could pressure tariffs and utilization rates over time.

8. FII Selling:
FIIs have reduced their stake from 5.54% to 3.60% over 5 quarters. Continued FII selling could create overhang on the stock price and signal institutional concerns about the company's fundamentals or valuation.

9. Asset Monetization Dependency:
The company's historical revenue pattern shows lumpy results, partly due to asset sales (other income of ₹891 crore in FY24, ₹486 crore in FY26). If these one-time gains normalize, reported profitability could be lower than headline numbers suggest.

10. Competition:
The Indian renewable energy sector is intensely competitive, with well-funded players like Adani Green, NTPC Green, ReNew Energy, and Tata Power Renewable Energy all vying for the same PPAs and land parcels. Increased competition could pressure tariffs and returns on equity.

10. Investment Thesis

The Bull Case:

ACME Solar represents a compelling growth story in India's renewable energy transition. The company is at an inflection point where years of capacity building are translating into exponential revenue and profit growth. The 44% TTM sales growth, 98.4% YoY net profit growth in FY26, and 51.5% profit CAGR over 5 years demonstrate the operating leverage inherent in the IPP business model.

The shift toward FDRE projects — combining solar/wind generation with battery storage — positions ACME at the leading edge of India's grid evolution. As the country targets 500 GW of non-fossil fuel capacity by 2030, companies with integrated capabilities across generation, storage, and dispatch will command premium valuations.

The stock's valuation at 38.82x P/E is at a discount to peers like Adani Green (132.68x) and NTPC Green (165.61x), despite delivering comparable or superior growth metrics. The DCF analysis suggests an intrinsic value of ~₹603, implying 89.6% upside from current levels.

The Bear Case:

The risks are equally significant. The company's leverage at 3.93x debt-to-equity is aggressive by any standard, and the negative free cash flow trajectory (-₹4,071 crore in FY26) means the company is burning cash to grow. If interest rates rise or capital markets tighten, refinancing ₹19,896 crore of debt could become challenging.

The 18% stock price appreciation over the past year, while healthy, has been constrained by the 3.6% FII selling and the limited free float. Any adverse regulatory change or project execution delay could trigger a sharp correction.

Our View:

ACME Solar is a high-conviction, high-risk bet on India's renewable energy future. The company's integrated business model, strong ROCE of 8.89% (above the sector median of 6.99%), and improving operational metrics (debtor days down to 60 from 203) are encouraging. However, the elevated leverage and negative FCF trajectory demand a long investment horizon.

For investors with a 3–5 year view, the current valuation offers an attractive entry point, with DCF-based upside of ~90%. The key catalysts to watch are: (1) capacity commissioning timelines, (2) debt-to-equity trajectory as new projects stabilize, (3) FII shareholding trends, and (4) regulatory developments in the renewable energy sector.

For conservative investors, it may be prudent to wait for evidence of FCF stabilization and leverage moderation before building a position. A debt-to-equity ratio below 2.5x and positive FCF would be strong signals that the company has turned the corner on its capital-intensive growth phase.

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