Company lists · Data refreshed September 2026
Top 25 Thermal power plant companies based in India
RevenueBase identified 258 thermal power plant companies headquartered in India as of September 2026 and tracks 59,033 professional contacts across them, including 6,706 with verified work emails. New Delhi is the largest hub.
This list covers thermal power plant companies headquartered in India, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 22, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest thermal power plant companies based in India
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 19,588 contacts → | ||||
Partial evidence “NTPC Limited is India’s largest power generation utility with roots planted way back in 1975 to accelerate power development in India.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 2 | 2,920 contacts → | ||||
Partial evidence “JSW Energy Limited is amongst India’s leading private sector power producing companies that believes in the efficient utilisation of all available resources.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 3 | 2,103 contacts → | ||||
Partial evidence “Jindal Power is one of South Asia and Africa’s leading independent power producers, driving progress through efficient and reliable energy solutions.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 4 | 1,125 contacts → | ||||
Strong evidence “L&T Energy-CarbonLite Solutions brings deep expertise in EPC solutions for BTG (Boiler-Turbine-Generator) packages of coal-based power plants, along with a growing portfolio of…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 5 | 922 contacts → | ||||
Strong evidence “KSK Power Ventur plc is a power project development company, with track record of developing and operating power plants.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 6 | 872 contacts → | ||||
Partial evidence “The West Bengal Power Development Corporation Limited (WBPDCL) is the largest state owned power generating company in the eastern region of India and meets around 60% of the…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 7 | 845 contacts → | ||||
Indirect evidence “The Company was promoted by erstwhile Gujarat Electricity Board (GEB) as it’s wholly owned subsidiary in the context of liberalization and as a part of efforts towards…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 8 | 831 contacts → | ||||
Partial evidence “Both Bajaj Energy Limited (BEL) & Lalitpur Power Generation Company Limited (LPGCL) illuminate millions of households in the state of Uttar Pradesh.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 9 | 767 contacts → | ||||
Indirect evidence “Techno Electric & Engineering Company Ltd.(TEECL) was established in 1963.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 10 | 632 contacts → | ||||
Strong evidence “Our Vision: To provide world class solutions for the renovation and modernization of power plants & other related businesses areas whilst improving our clients environmental…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 11 | 510 contacts → | ||||
Partial evidence “Toshiba JSW Power Systems Private Limited (Toshiba JSW) is a joint venture between Japan's Toshiba Group and India's JSW Group.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 12 | 331 contacts → | ||||
Partial evidence “While we keep on hearing about non availability of coal from Coal India leading to increase in power cost due to procurement of imported coal, we rarely speak about coal logistic…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 13 | 309 contacts → | ||||
Partial evidence “Odisha Power Generation Corporation Limited (OPGC Ltd.) was incorporated as a wholly owned Company of Government of Odisha on November 14, 1984 under the companies Act, 1956.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 14 | 289 contacts → | ||||
Partial evidence “Power sector professional” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 15 | 286 contacts → | ||||
Strong evidence “Uprvunl Nigam Limited Service Provider of thermal power” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 16 | 282 contacts → | ||||
Strong evidence “Manufacturers of all types of power plants, gas cracker plants, project plannings, erections, commissionings, operations, waste water treatment systems etc.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 17 | 279 contacts → | ||||
Partial evidence “NTPC Ltd formed a joint venture with SAIL on 50:50 basis in March, 2001 in the name NTPC-SAIL Power Company Limited (NSPCL).” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 18 | 259 contacts → | ||||
Partial evidence “Green Power International is India's leading EPC Power generation company.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 19 | 208 contacts → | ||||
Partial evidence “Founded in 1919, India Power Corporation Limited (IPCL) is one of India’s oldest and most trusted power utilities, with a proud legacy of over a century.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 20 | 178 contacts → | ||||
Partial evidence “RattanIndia Power Ltd (RPL) is one of the largest private sector Power Generation Company/ Utility Company based out of 5th Floor, Worldmark II, Aerocity, New Delhi, India.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 21 | 173 contacts → | ||||
Indirect evidence “TRN ENERGY PRIVATE LIMITED is an utilities company based out of 18, VASANT ENCLAVE RAO TULA RAM MARG, NEW, DELHI, Delhi, India.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 22 | 170 contacts → | ||||
Indirect evidence “Uttamenergy (India) aims to be a leading energy equipment and solutions provider.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 23 | 168 contacts → | ||||
Partial evidence “Maithon Power Limited (MPL), a joint venture of TATA POWER & DVC, has implemented the 1050 MW (2X525 MW units) near the city of Dhanbad in the state of Jharkhand in India.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 24 | 148 contacts → | ||||
Indirect evidence “Oil & Natural Gas Corporation Ltd.(“ONGC”), a Fortune 500 company of the Government of India, owns significant natural gas reserves in the North Eastern state of Tripura.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 25 | 145 contacts → | ||||
Partial evidence “We are an ISO 9001:2008 SPK Power Infra private limited the service division of SPK was established with a view to serve vast engineering services in the power generation…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: thermal power plant companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names thermal power plant companies.
- Partial evidence
- Its own public description names part of thermal power plant companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name thermal power plant companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 258 thermal power plant companies based in India
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Thermal power plant companies based in India at a glance
As of Sep 22, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for India, so it is reported there. Company counts and contact totals on this page are exact for India, over 258 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among thermal power plant companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in India whose own description of what they do matches “thermal power plant companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names thermal power plant companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among thermal power plant companies, and records with no verified work email. Companies headquartered outside India are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 6,706 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 22, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names thermal power plant companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many thermal power plant companies are there based in India?
RevenueBase identified 258 thermal power plant companies headquartered in India as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Ntpc Limited, headquartered in New Delhi, tops this list with the largest team on record.
Which city has the most thermal power plant companies?
New Delhi leads with 23 headquartered companies, followed by Chennai (21) and Hyderabad (20).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 6,706 verified decision-maker contacts tracked across these 258 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 22, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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