Electric Equipment · Founded 1967 · www.voltamptransformers.com · BSE 532757 · NSE VOLTAMP TRAN · ISIN INE540H01012
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Business
Voltamp Transformers Ltd. is a leading Indian manufacturer of various types of electrical transformers. The company primarily designs, manufactures, and sells oil-filled power and distribution transformers, dry-type transformers, and cast resin transformers. Their product range caters to diverse applications across power generation, transmission, and distribution, as well as industrial and commercial sectors, including renewable energy projects (solar, wind farms), data centers, and infrastructure development. The core business model involves manufacturing these capital goods, providing solutions for power infrastructure, and generating revenue through their sales.
Revenue Mix
Voltamp Transformers Ltd. operates predominantly in a single business segment: the manufacturing and sale of electrical transformers. While their product portfolio includes various types (power transformers, distribution transformers, dry-type, cast resin), these are generally reported as a consolidated offering rather than distinct revenue segments. The company's revenue is primarily derived from the domestic market, with some presence in international markets through exports. Specific percentage contributions from different transformer types or geographies are not typically disclosed as separate segments.
Industry
Voltamp operates within the Electric Equipment sector, specifically the power and distribution transformer manufacturing industry in India. This industry is characterized by cyclical demand driven by power sector investments, industrial growth, and infrastructure development. Key competitors in India include larger players like Siemens Energy, ABB India, CG Power & Industrial Solutions, as well as other domestic manufacturers such as TRIL (Transformers and Rectifiers India Ltd.) and Kirloskar Electric. Voltamp is generally perceived as a niche player known for its quality, reliability, and capability to produce transformers up to 160 MVA 220 KV class, often serving discerning industrial clients and utilities that prioritize performance and customized solutions. It has established a strong reputation for product quality and engineering prowess.
MOAT
Voltamp's competitive advantages primarily stem from:
Technical Expertise & Quality: A long-standing reputation for manufacturing high-quality, reliable, and durable transformers, particularly in critical applications. This often leads to repeat orders and preferred vendor status.
Customer Trust & Approvals: Extensive experience and track record have earned them approvals from various state electricity boards, industrial clients, and consulting firms, which are essential for securing large contracts.
Customization Capabilities: Ability to design and manufacture transformers to meet specific client requirements and challenging operating conditions.
Efficient Operations: Focus on operational efficiencies and cost management, though this is common across the industry.
Growth Drivers
Power Sector Investments: Government initiatives and capital expenditure in power generation, transmission, and distribution infrastructure (e.g., 'Power for All', grid modernization, smart cities).
Renewable Energy Integration: Growth in solar and wind power projects necessitates significant transformer demand for grid connectivity and step-up/step-down applications.
Industrial Capital Expenditure: Revival in private sector capex across various industries (manufacturing, infrastructure) will drive demand for industrial transformers.
Replacement Demand: Aging transmission and distribution infrastructure in India requires upgradation and replacement of older transformers.
Exports: Opportunities in developing economies looking to improve their power infrastructure.
Risks
Raw Material Price Volatility: Key inputs like copper, electrical steel, and transformer oil are commodities, and their price fluctuations can impact profitability.
Cyclical Demand: The industry is highly dependent on capital expenditure cycles of the power sector and industries, making it vulnerable to economic slowdowns.
Intense Competition: The presence of both large multinational and domestic players leads to pricing pressures.
Working Capital Management: Large project-based orders often involve significant working capital requirements and longer payment cycles from customers.
Technological Shifts/Efficiency Standards: While core technology is stable, evolving efficiency standards and smart grid requirements necessitate continuous R&D investment.
Management & Ownership
Voltamp Transformers Ltd. is a professionally managed company with a strong promoter group. The company was founded by the Patel family, who continue to hold a significant stake and guide its strategic direction. The management team typically comprises experienced professionals from the electrical equipment industry. The ownership structure includes a substantial promoter holding, alongside institutional investors (FIIs, DIIs) and public shareholders. The promoters' long-term commitment and industry expertise are generally viewed positively.
Outlook
Voltamp Transformers Ltd. is well-positioned to benefit from India's ongoing infrastructure development and the robust capital expenditure cycle in the power and industrial sectors. The company's reputation for quality, technical expertise, and established relationships with key customers provide a solid foundation. The strong tailwinds from renewable energy expansion and grid modernization offer significant growth opportunities. However, the outlook is balanced by potential challenges such as raw material price volatility, intense competition leading to pricing pressures, and the inherent cyclicality of the capital goods industry. Effective working capital management and continuous focus on operational efficiency will be crucial for sustained profitability amidst these industry dynamics.
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| #(Fig in Cr.) | Dec 2023 | Mar 2024 | Jun 2024 | Sep 2024 | Dec 2024 | Mar 2025 | Jun 2025 | Sep 2025 | Dec 2025 | Mar 2026 |
|---|---|---|---|---|---|---|---|---|---|---|
| Net Sales | 408 | 504 | 428 | 398 | 484 | 625 | 424 | 483 | 630 | 617 |
| Other Income | 25 | 23 | 29 | 32 | 7 | 17 | 36 | 15 | 26 | -10 |
| Total Income | 433 | 527 | 457 | 430 | 490 | 642 | 459 | 497 | 656 | 607 |
| Total Expenditure | 304 | 403 | 352 | 323 | 384 | 508 | 351 | 389 | 523 | 536 |
| Operating Profit | 130 | 124 | 105 | 107 | 106 | 133 | 108 | 108 | 134 | 71 |
| Interest | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| Depreciation | 3 | 3 | 3 | 3 | 3 | 4 | 3 | 4 | 4 | 4 |
| Exceptional Income / Expenses | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Profit Before Tax | 126 | 119 | 101 | 104 | 102 | 129 | 105 | 104 | 130 | 67 |
| Provision for Tax | 32 | 26 | 22 | 28 | 29 | 33 | 25 | 25 | 31 | 19 |
| Profit After Tax | 95 | 94 | 79 | 76 | 73 | 97 | 80 | 79 | 99 | 48 |
| Adjustments | -0 | 0 | 0 | 0 | -0 | 0 | 0 | -0 | 0 | 0 |
| Profit After Adjustments | 95 | 94 | 79 | 76 | 73 | 97 | 80 | 79 | 99 | 48 |
| Adjusted Earnings Per Share | 93.5 | 92.4 | 78.5 | 74.9 | 72.6 | 95.7 | 78.6 | 77.9 | 97.9 | 47.3 |
| #(Fig in Cr.) | Mar 2015 | Mar 2016 | Mar 2017 | Mar 2018 | Mar 2019 | Mar 2020 | Mar 2021 | Mar 2022 | Mar 2023 | Mar 2024 | Mar 2025 | TTM |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Net Sales | 517 | 563 | 611 | 639 | 829 | 859 | 692 | 1127 | 1385 | 1616 | 1934 | 2154 |
| Other Income | 21 | 28 | 39 | 39 | 36 | 18 | 72 | 43 | 40 | 89 | 85 | 67 |
| Total Income | 538 | 592 | 650 | 678 | 865 | 877 | 765 | 1170 | 1425 | 1705 | 2019 | 2219 |
| Total Expenditure | 497 | 526 | 551 | 571 | 735 | 754 | 615 | 988 | 1154 | 1294 | 1568 | 1799 |
| Operating Profit | 41 | 66 | 99 | 107 | 130 | 123 | 150 | 182 | 271 | 411 | 451 | 421 |
| Interest | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 |
| Depreciation | 7 | 6 | 6 | 6 | 7 | 9 | 9 | 8 | 10 | 11 | 13 | 15 |
| Exceptional Income / Expenses | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Profit Before Tax | 33 | 59 | 93 | 100 | 123 | 113 | 140 | 173 | 260 | 398 | 436 | 406 |
| Provision for Tax | 5 | 15 | 21 | 27 | 38 | 24 | 28 | 40 | 60 | 91 | 111 | 100 |
| Profit After Tax | 28 | 44 | 72 | 73 | 85 | 89 | 112 | 133 | 200 | 307 | 325 | 306 |
| Adjustments | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Profit After Adjustments | 28 | 44 | 72 | 73 | 85 | 89 | 112 | 133 | 200 | 307 | 325 | 306 |
| Adjusted Earnings Per Share | 28.1 | 43.5 | 71.4 | 72.6 | 83.9 | 88.3 | 110.9 | 131.3 | 197.6 | 303.8 | 321.6 | 301.7 |
| # | 1 Year | 3 Year | 5 Year | 10 Year |
|---|---|---|---|---|
| Sales CAGR | 20% | 20% | 18% | 14% |
| Operating Profit CAGR | 10% | 35% | 30% | 27% |
| PAT CAGR | 6% | 35% | 30% | 28% |
| # | 1 Year | 3 Year | 5 Year | 10 Year |
|---|---|---|---|---|
| Share Price CAGR | 8% | 32% | 46% | 28% |
| ROE Average | 22% | 22% | 19% | 15% |
| ROCE Average | 30% | 29% | 25% | 20% |
| #(Fig in Cr.) | Mar 2015 | Mar 2016 | Mar 2017 | Mar 2018 | Mar 2019 | Mar 2020 | Mar 2021 | Mar 2022 | Mar 2023 | Mar 2024 | Mar 2025 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Shareholder's Funds | 441 | 470 | 565 | 620 | 687 | 748 | 834 | 942 | 1107 | 1354 | 1588 |
| Minority's Interest | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Borrowings | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Other Non-Current Liabilities | 1 | 1 | 5 | 6 | 10 | 5 | 11 | 14 | 13 | 20 | 28 |
| Total Current Liabilities | 51 | 47 | 43 | 44 | 54 | 61 | 71 | 105 | 102 | 147 | 160 |
| Total Liabilities | 493 | 518 | 613 | 670 | 751 | 814 | 916 | 1061 | 1223 | 1521 | 1776 |
| Fixed Assets | 41 | 39 | 38 | 43 | 48 | 58 | 53 | 62 | 67 | 77 | 118 |
| Other Non-Current Assets | 197 | 179 | 309 | 338 | 372 | 438 | 497 | 494 | 655 | 898 | 945 |
| Total Current Assets | 256 | 300 | 266 | 289 | 331 | 319 | 366 | 506 | 500 | 546 | 713 |
| Total Assets | 493 | 518 | 613 | 670 | 751 | 814 | 916 | 1061 | 1223 | 1521 | 1776 |
| #(Fig in Cr.) | Mar 2015 | Mar 2016 | Mar 2017 | Mar 2018 | Mar 2019 | Mar 2020 | Mar 2021 | Mar 2022 | Mar 2023 | Mar 2024 | Mar 2025 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Opening Cash & Cash Equivalents | 1 | 3 | 1 | 4 | 8 | 11 | 6 | 20 | 13 | 18 | 29 |
| Cash Flow from Operating Activities | -10 | -1 | 78 | 43 | 32 | 108 | 20 | 66 | 168 | 216 | 219 |
| Cash Flow from Investing Activities | 24 | 12 | -60 | -20 | -11 | -86 | 21 | -46 | -127 | -141 | -116 |
| Cash Flow from Financing Activities | -12 | -12 | -16 | -18 | -18 | -27 | -26 | -26 | -36 | -63 | -94 |
| Net Cash Inflow / Outflow | 2 | -2 | 2 | 4 | 3 | -5 | 14 | -7 | 4 | 12 | 9 |
| Closing Cash & Cash Equivalent | 3 | 1 | 4 | 8 | 11 | 6 | 20 | 13 | 18 | 29 | 39 |
| # | Mar 2015 | Mar 2016 | Mar 2017 | Mar 2018 | Mar 2019 | Mar 2020 | Mar 2021 | Mar 2022 | Mar 2023 | Mar 2024 | Mar 2025 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Earnings Per Share (Rs) | 28.08 | 43.47 | 71.37 | 72.63 | 83.86 | 88.34 | 110.92 | 131.3 | 197.63 | 303.8 | 321.65 |
| CEPS(Rs) | 35.22 | 49.38 | 77.12 | 78.56 | 90.93 | 97.23 | 119.67 | 139.14 | 207.21 | 315.04 | 334.66 |
| DPS(Rs) | 10 | 12.5 | 15 | 15 | 22.5 | 25 | 25 | 35 | 60 | 90 | 100 |
| Book NAV/Share(Rs) | 435.71 | 464.14 | 558.48 | 612.95 | 678.78 | 739.56 | 824.5 | 931.24 | 1094.41 | 1337.95 | 1569.24 |
| Core EBITDA Margin(%) | 3.51 | 6.09 | 9.01 | 10.33 | 11.36 | 12.19 | 11.19 | 12.33 | 16.67 | 19.94 | 18.93 |
| EBIT Margin(%) | 5.99 | 9.71 | 13.98 | 15.46 | 14.87 | 13.29 | 20.38 | 15.44 | 18.86 | 24.75 | 22.63 |
| Pre Tax Margin(%) | 5.94 | 9.64 | 13.9 | 15.37 | 14.8 | 13.2 | 20.29 | 15.37 | 18.8 | 24.62 | 22.56 |
| PAT Margin (%) | 5.05 | 7.15 | 10.81 | 11.28 | 10.24 | 10.41 | 16.21 | 11.78 | 14.44 | 19.02 | 16.82 |
| Cash Profit Margin (%) | 6.34 | 8.12 | 11.68 | 12.2 | 11.1 | 11.46 | 17.49 | 12.49 | 15.14 | 19.72 | 17.5 |
| ROA(%) | 5.84 | 8.69 | 12.77 | 11.46 | 11.94 | 11.42 | 12.97 | 13.44 | 17.51 | 22.41 | 19.74 |
| ROE(%) | 6.57 | 9.66 | 13.96 | 12.4 | 12.98 | 12.46 | 14.18 | 14.96 | 19.51 | 24.98 | 22.13 |
| ROCE(%) | 7.79 | 13.12 | 18.04 | 16.99 | 18.86 | 15.9 | 17.83 | 19.59 | 25.5 | 32.51 | 29.77 |
| Receivable days | 93.21 | 87.04 | 82.74 | 83.55 | 70.68 | 69.48 | 84.62 | 58.47 | 54.93 | 52.53 | 50.13 |
| Inventory Days | 45.09 | 52.27 | 48.4 | 50.29 | 45.06 | 47.45 | 64.02 | 54.51 | 50.61 | 45.28 | 43.75 |
| Payable days | 17.72 | 9.91 | 3.16 | 1.59 | 0.97 | 3.22 | 6.62 | 2.58 | 1.19 | 2.74 | 2.27 |
| PER(x) | 22.78 | 17.96 | 14.73 | 14.65 | 13.65 | 10.02 | 9.88 | 14.94 | 13.56 | 31.89 | 22.17 |
| Price/Book(x) | 1.47 | 1.68 | 1.88 | 1.74 | 1.69 | 1.2 | 1.33 | 2.11 | 2.45 | 7.24 | 4.54 |
| Dividend Yield(%) | 1.56 | 1.6 | 1.43 | 1.41 | 1.97 | 2.82 | 2.28 | 1.78 | 2.24 | 0.93 | 1.4 |
| EV/Net Sales(x) | 1.25 | 1.4 | 1.73 | 1.67 | 1.38 | 1.04 | 1.56 | 1.75 | 1.94 | 6.05 | 3.71 |
| EV/Core EBITDA(x) | 15.74 | 11.99 | 10.69 | 10.01 | 8.79 | 7.23 | 7.23 | 10.83 | 9.94 | 23.76 | 15.91 |
| Net Sales Growth(%) | 16.21 | 8.98 | 8.46 | 4.56 | 29.75 | 3.59 | -19.37 | 62.82 | 22.88 | 16.69 | 19.68 |
| EBIT Growth(%) | -2.56 | 77.27 | 56.27 | 7.89 | 22.41 | -7.45 | 23.65 | 23.35 | 50.15 | 53.09 | 9.45 |
| PAT Growth(%) | 8.08 | 54.79 | 64.19 | 1.76 | 15.45 | 5.35 | 25.55 | 18.38 | 50.52 | 53.72 | 5.87 |
| EPS Growth(%) | 8.08 | 54.79 | 64.19 | 1.76 | 15.45 | 5.35 | 25.55 | 18.38 | 50.52 | 53.72 | 5.87 |
| Debt/Equity(x) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Current Ratio(x) | 4.97 | 6.32 | 6.18 | 6.62 | 6.17 | 5.26 | 5.16 | 4.8 | 4.9 | 3.71 | 4.44 |
| Quick Ratio(x) | 3.38 | 4.33 | 4.26 | 4.4 | 4.16 | 3.35 | 3.36 | 2.81 | 3.19 | 2.17 | 2.96 |
| Interest Cover(x) | 112.19 | 136.03 | 182.48 | 180.66 | 209.78 | 157.33 | 234.29 | 218.38 | 293.42 | 192.14 | 302.73 |
| Total Debt/Mcap(x) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| # | Dec 2023 | Mar 2024 | Jun 2024 | Sep 2024 | Dec 2024 | Mar 2025 | Jun 2025 | Sep 2025 | Dec 2025 | Mar 2026 |
|---|---|---|---|---|---|---|---|---|---|---|
| Promoter | 38 | 38 | 38 | 38 | 38 | 38 | 37.8 | 30 | 30 | 30 |
| FII | 23.23 | 24.84 | 27.28 | 28.5 | 26.7 | 23.91 | 23.23 | 22.85 | 21.78 | 22.81 |
| DII | 28.76 | 26.96 | 24.37 | 22.68 | 23.77 | 23.61 | 23.49 | 29.75 | 31.44 | 31.71 |
| Public | 10.01 | 10.2 | 10.35 | 10.82 | 11.53 | 14.48 | 15.49 | 17.4 | 16.78 | 15.48 |
| Others | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Total | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| # | Dec 2023 | Mar 2024 | Jun 2024 | Sep 2024 | Dec 2024 | Mar 2025 | Jun 2025 | Sep 2025 | Dec 2025 | Mar 2026 |
|---|---|---|---|---|---|---|---|---|---|---|
| Promoter | 0.38 | 0.38 | 0.38 | 0.38 | 0.38 | 0.38 | 0.38 | 0.3 | 0.3 | 0.3 |
| FII | 0.24 | 0.25 | 0.28 | 0.29 | 0.27 | 0.24 | 0.23 | 0.23 | 0.22 | 0.23 |
| DII | 0.29 | 0.27 | 0.25 | 0.23 | 0.24 | 0.24 | 0.24 | 0.3 | 0.32 | 0.32 |
| Public | 0.1 | 0.1 | 0.1 | 0.11 | 0.12 | 0.15 | 0.16 | 0.18 | 0.17 | 0.16 |
| Others | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Total | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 |
| # | 1 Year | 3 Year | 5 Year | 10 Year |
|---|---|---|---|---|
| Sales CAGR | +20% | +20% | +18% | +14% |
| Operating Profit CAGR | +10% | +35% | +30% | +27% |
| PAT CAGR | +6% | +35% | +30% | +28% |
| Share Price CAGR | +8% | +32% | +46% | +28% |
| ROE Average | +22% | +22% | +19% | +15% |
| ROCE Average | +30% | +29% | +25% | +20% |
| # | Dec 2023 | Mar 2024 | Jun 2024 | Sep 2024 | Dec 2024 | Mar 2025 | Jun 2025 | Sep 2025 | Dec 2025 | Mar 2026 |
|---|---|---|---|---|---|---|---|---|---|---|
| Promoter | 38 | 38 | 38 | 38 | 38 | 38 | 37.8 | 30 | 30 | 30 |
| FII | 23.23 | 24.84 | 27.28 | 28.5 | 26.7 | 23.91 | 23.23 | 22.85 | 21.78 | 22.81 |
| DII | 28.76 | 26.96 | 24.37 | 22.68 | 23.77 | 23.61 | 23.49 | 29.75 | 31.44 | 31.71 |
| Public | 62 | 62 | 62 | 62 | 62 | 62 | 62.2 | 70 | 70 | 70 |
| Others | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Total | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| # | Dec 2023 | Mar 2024 | Jun 2024 | Sep 2024 | Dec 2024 | Mar 2025 | Jun 2025 | Sep 2025 | Dec 2025 | Mar 2026 |
|---|---|---|---|---|---|---|---|---|---|---|
| Promoter | 0.38 | 0.38 | 0.38 | 0.38 | 0.38 | 0.38 | 0.38 | 0.3 | 0.3 | 0.3 |
| FII | 0.24 | 0.25 | 0.28 | 0.29 | 0.27 | 0.24 | 0.23 | 0.23 | 0.22 | 0.23 |
| DII | 0.29 | 0.27 | 0.25 | 0.23 | 0.24 | 0.24 | 0.24 | 0.3 | 0.32 | 0.32 |
| Public | 0.63 | 0.63 | 0.63 | 0.63 | 0.63 | 0.63 | 0.63 | 0.71 | 0.71 | 0.71 |
| Others | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Total | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 |
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