What Is the Nifty Power Index? Constituents, Historical Performance, and Selection Criteria
Written by Mariyam Sara
Published on June 23, 2026 | 5 min read
Key Takeaways
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The Nifty Power Index is a sectoral index that tracks the performance of stocks from the Power sector within the Nifty Total Market Index.
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The Nifty Power Index comprises stocks from the Nifty Total Market Index that meet specific sector eligibility criteria, with individual stock weights determined using the free-float market capitalisation methodology.
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The Nifty Power Index is reconstituted semi-annually and rebalanced quarterly.
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Investing in the Nifty Power index offers various benefits such as diversification, capitalising on power demand surge, steady cash flows, and renewable energy transition.
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Risks associated with investing in the Nifty Power Index include concentration risk, unfavourable regulatory changes, project delays, fluctuations in fuel prices, and the cyclical nature of the sector.
On June 15, 2026, NSE Indices Limited, a subsidiary of NSE, launched 11 new sectoral indices. One of the newly introduced indices was the Nifty Power Index. The Nifty Power Index tracks the performance of top companies belonging to the power sector within the Nifty Total Market Index.
Let’s understand what the Nifty Power Index is, how it works, its constituents, historical performance, and selection criteria.
What is the Nifty Power Index?
The Nifty Power Index is a sectoral index that tracks the performance of the leading companies in the Power sector within the Nifty Total Market Index. The index usually consists of 21 constituents, which are selected based on the eligibility criteria established by the NSE Indices Ltd. The selected stocks are weighted using the ree-float market capitalisation methodology.
The Nifty Power Index can be used for benchmarking fund portfolios, launching exchange-traded funds (ETFs), index funds, and other power-sector-related investments.
How Does the Nifty Power Index Work?
The Nifty Power Index tracks the power-sector stocks included in the Nifty Total Market Index. The index is reconstituted semi-annually and rebalanced quarterly. The constituent companies are ensuring the index value reflects the total free-float market value of their stocks relative to a base market capitalisation.
The base date for the Nifty Power Index is April 01, 2005, and the base value is 1000. The index is managed by a three-tier governance structure, consisting of the Board of Directors of NSE Indices Limited, the Index Advisory Committee (Equity), and the Index Maintenance Sub-Committee.
Constituents of the Nifty Power Index
The following are the top 10 constituents of the Nifty Power Index.
| Company Name | Weight (%) |
|---|---|
| NTPC Ltd. | 17.27 |
| Power Grid Corporation of India Ltd. | 16.48 |
| Adani Power Ltd. | 15.19 |
| Tata Power Co. Ltd. | 10.63 |
| Adani Energy Solutions Ltd. | 7.92 |
| Adani Green Energy Ltd. | 7.46 |
| JSW Energy Ltd. | 4.84 |
| Torrent Power Ltd. | 4.07 |
| NHPC Ltd. | 3.76 |
| CESC Ltd. | 1.73 |
Nifty Power Index Historical Performance
Although the Nifty Power Index was introduced recently, its historical performance has been calculated based on the historical performance of its constituent stocks and their respective weightage.
Over the last 5 years, the Nifty Power Index has delivered a CAGR of 21.17%, which is significantly higher than the return of the Nifty 50 and Nifty Total Market Index, which delivered CAGRs of 9.87% and 12.80%, respectively, as of May 2026.
Source: NSE Indexogram
The Nifty Power Index has a Beta of 1.01 relative to the Nifty 50. This means that if the broader market rises or falls by 10%, the Nifty Power index could rise or fall by 10.1%. This indicates that the index is slightly more volatile than the broader market.
Selection Criteria for the Nifty Power Index
The stocks included in the Nifty Power Index are selected based on the following eligibility criteria.
- The Nifty Power index has a base date of April 01, 2005, with a base value of 1000.
- Stocks included in the Nifty Total Market index at the time of review are eligible for inclusion in the index.
- Stocks forming part of the basic industries that belong to the Power sector are eligible to be included in the index from the universe at the time of review.
- The weight of each stock in the index is based on the free float market capitalisation method.
- The Index is reconstituted semi-annually and rebalanced quarterly.
- Individual stock weights are capped at 20%.
Benefits of Investing in the Nifty Power Index
The following are the benefits of investing in the Nifty Power Index.
Diversification
Investing in the Nifty Power Index offers exposure to multiple power companies within the Nifty Total Market index instead of a few stocks, diversifying your portfolio and managing the risk of investment.
Capitalise on High Power Demand
India’s power demand is breaking records and hitting milestones due to increased industrialisation and changes in weather conditions. In summertime, the power demand surges significantly, emphasising the need for massive investments towards developing the country’s electricity infrastructure.
Predictable Cashflow
Traditional power companies often have stable cash flows and demand during economic downturns. Since electricity is now an essential commodity, this steady consumption supports their long-term profitability.
Renewable Energy Transition
The Nifty Power Index offers exposure to both traditional utilities companies and green energy companies. As India shifts toward renewable generation through expansion in solar, wind, and green hydrogen technologies, green energy companies could secure high-value projects. This transition can potentially enhance their profitability and contribute to capital appreciation in your portfolio.
Risks of Investing in the Nifty Power Index
Though investing in the Nifty Power Index can offer several benefits, investors must consider the following risks.
High Debt
Since power is a capital-intensive industry, most companies in the sector have high debt levels. High debt results in interest payments eating away at a company's profits, leaving less funds for reinvestment and dividends. If the company is unable to handle high debt, that would inevitably impact its stock performance.
Regulatory Risk
Power distribution companies are governed by strict regulation from state electricity regulators (SERCs). The SERC sets the retail tariff rates for retail consumers. Changes in government regulations or subsidies may have a major effect on the profitability of utility companies.
Project Delays
Massive renewable energy projects are highly prone to bottlenecks due to challenges faced in land acquisition, grid connectivity, and obtaining environmental clearances. These bottlenecks could lead to delays in project completion and profit generation.
Changes in Fuel Prices
Traditional power generation relies on coal or gas to generate electricity. An increase in the global prices of these essential raw materials without a corresponding increase in tariffs could reduce the profit margins of power companies.
Cyclical Nature
The power sector is cyclical in nature and is closely linked to industrial development in the country. If industrialisation slows down and new projects are paused or scrapped, it could significantly impact the power companies and their profitability.
The Nifty Power Index is a sectoral index that tracks the performance of top companies from the power sector included in the Nifty Total Market index. The constituent companies are selected from the Nifty Total Market index and based on other eligibility criteria set by the NSE Indices Ltd. The stocks are weighed using the free-float market capitalisation methodology and are reconstituted semi-annually and rebalanced quarterly.
FAQs
What is the Nifty Power Index?
The Nifty Power Index is a sectoral index that tracks the performance of top companies from the power sector included in the Nifty Total Market Index.
When was the Nifty Power Index launched?
The Nifty Power Index was launched by the NSE Indices Ltd on June 15, 2026.
How are stocks selected for the Nifty Power Index?
The stocks are selected for the Nifty Power Index from the Nifty Total Market index and based on the eligibility criteria set by the NSE Indices Ltd Nifty Total Market index
How often is the Nifty Power Index reconstituted and rebalanced?
The Nifty Power Index is reconstituted semi-annually and rebalanced quarterly by the NSE Indices Ltd.
About Author
Mariyam Sara
Sub-Editor
holds an MBA in Finance and is a true Finance Fanatic. She writes extensively on all things finance whether it’s stock trading, personal finance, or insurance, chances are she’s covered it. When she’s not writing, she’s busy pursuing NISM certifications, experimenting with new baking recipes.
Read more from Mariyam
Upstox is a leading Indian financial services company that offers online trading and investment services in stocks, commodities, currencies, mutual funds, and more. Founded in 2009 and headquartered in Mumbai, Upstox is backed by prominent investors including Ratan Tata, Tiger Global, and Kalaari Capital. It operates under RKSV Securities and is registered with SEBI, NSE, BSE, and other regulatory bodies, ensuring secure and compliant trading experiences.
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