Company lists
The Chennai edition · 2026

Energycompanies in Chennai

Solar, wind & hydro, power equipment, batteries & storage, bioenergy and more: the companies building energy in Chennai, Tamil Nadu, with their founders, funding, team size and business models.

310 company profiles174 with reported revenue9 with recorded fundingSeptember 2026 edition
Chennai · Photo: Wikimedia Commons (Creative Commons Attribution-ShareAlike 4.0)

Recent energy business events in Chennai

Funding, M&A, contract wins and launches involving 356 energy companies in Chennai, last 24 months: 56 Contracts · 6 M&A deals · 5 funding rounds. Newest first; companies and investors link to their Fliar profiles. Latest event in our news feed: May 2026.

ContractSupply

Supreme Power Equipment · client: Na

Supreme Power Equipment Limited has secured a new order worth Rs. 28.50 crore from an EPC company based in Karnataka.

Power equipment manufacturing
ContractSupply

Supreme Power Equipment · client: Na

Supreme Power Equipment on Saturday announced securing transformer supply orders worth ₹128 crore. The company has received four orders by different entities to supply power transformers…

Power infrastructure
ContractInfrastructure

Refex industries · client: National Highways Authority of India

Refex Industries Limited has secured a significant contract valued at approximately ₹32.45 crore, including GST, for the transportation of pond ash to NHAI PWD road construction sites.

Infrastructure
ContractSupply

GHV Infra Projects Ltd · client: Enmas epc power projects

In February this year, GHV Infra Projects said it had received a work order worth about ₹123 crore from Enmas EPC Power Projects Limited for the supply of grid-connected rooftop solar…

Energy
ContractSupply

Refex industries · client: Na

Refex Industries Limited has secured a significant order valued at approximately ₹70.2 crore for the supply of bulk industrial commodities.

Steel sector
M&AAcquisition · Completed

Refex Holding Private Limited acquires Refex industries

Refex Industries Limited has disclosed the acquisition of 1,00,000 equity shares by its promoter entity Refex Holding Private Limited through an open market purchase.

Industries
ContractSupply

GHV Infra Projects · client: Enmas epc power projects

GHV Infra Projects has won a work order worth approximately Rs 123 crore from Enmas EPC Power Projects. The company will supply materials for 28.83 MWp grid-connected rooftop solar…

ContractInfrastructure

Bgr energy systems · client: TANTRANSCO

Engineering and construction major BGR Energy Systems Ltd on Tuesday (February 3) said Tamil Nadu Transmission Corporation Ltd (TANTRANSCO) has terminated the EPC contract it had awarded…

Infrastructure
FundingCatalytic financing support

E-hands energy

Miller Center Capital, in partnership with fund manager Beneficial Returns, has announced catalytic financing support for E-Hands Energy, a Chennai-based renewable energy enterprise…

Investors Miller Center Capital, Beneficial returns
Renewable Energy
ContractSupply

INDO TECH TRANSFORMERS · client: Ntpc

Indo Tech Transformers: Company bags order worth ₹91.26 cr for supply of 11 transformers for various NTPC projects.

ContractSupply

INDO TECH TRANSFORMERS · client: Four EF Constructions

Indo Tech Transformers Limited has added a major win to its order book, confirming that the company has received a fresh purchase order worth ₹91.26 crore, excluding taxes. The order,…

Power
ContractSupply

Shell Energy India · client: Think gas

THINK Gas, THINK Gas, the merged entity of AG&P Pratham and THINK Gas, has announced a long-term gas sales and purchase agreement with Shell Energy India, marking a major milestone in…

Natural gas
M&AAcquisition · Announced

Varanium Capital Advisors acquires Supreme Power Equipment

Varanium Capital Advisors, an asset management firm , recently bought 2.4 lakh shares of Supreme Power Equipment Limited by paying an average price of Rs 227.42 per share, aggregating to…

M&AAcquisition

BofA Securities Europe SA acquires Chennai petroleum corporation

Meanwhile, BofA Securities Europe SA has net bought 7.62 lakh shares (0.51 percent stake) in Chennai Petroleum Corporation at Rs 868.59 per share, for Rs 66.2 crore.

M&AAcquisition · Completed

BVK Group acquires GKD India

This acquisition, executed in the previous fiscal year, results in BVK Group acquiring 100% equity in the joint venture, which will now operate under the banner of WMW Industries Ltd.

Technical mesh and filtration solutions
ContractSupply

Oriana power · client: Tangedco

Oriana Power Limited has signed a Battery Energy Storage Purchase Agreement (BESPA) with Tamil Nadu Power Distribution Corporation Limited (TANGEDCO) to set up a 50MW/100MWh Battery…

Renewable Energy
ContractTechnology

Vensys Energy · client: Refex industries

The company, a subsidiary of the NSE-listed Refex Industries Ltd, has concluded a licence agreement with Vensys Energy AG, Germany — a leading wind turbine technology owner.

Wind Turbine Technology
ContractSupply

Polaris Smart Metering · client: Think gas

Think Gas, a key player in India’s City Gas Distribution (CGD) sector, has entered into a historic agreement with Polaris Smart Metering for the supply of one million smart gas meters.…

Energy
ContractSupply

S&s power switchgear · client: Godrej & Boyce Manufacturing

S&S Power Switchgear Limited announced receiving one of the largest orders in its history, valued at more than Rs. 15 crores, from Godrej & Boyce Manufacturing Company Limited.

Power sector
FundingNCD

Swelect energy systems

Additionally, SWELECT Group secured Rs 290 crore via Non-Convertible Debentures (NCDs) through a private placement with India Infradebt Limited.

Investors India Infradebt
Solar energy
Contract

India Infradebt · client: Swelect energy systems

Additionally, SWELECT Group has raised ₹290 crore funding through Non-Convertible Debentures (NCDs) via a private placement with India Infradebt Limited.

M&AMerger · Announced

Ag&p pratham acquires Think gas

AG&P Pratham and THINK Gas have announced the merger of brand identities under a single brand, THINK Gas.

City gas distribution
FundingPrivate placement

Swelect energy systems

Swelect Energy Systems on Tuesday said it has raised Rs 138.5 crore by issuing non-convertible debentures on a private placement basis to India Infradebt Limited.

Investors India Infradebt
Energy
ContractSupply

Polaris Smart Metering Pvt Ltd · client: Think gas

Polaris Smart Metering Pvt Ltd, a leading smart metering solution provider, today announced that it has signed a landmark contract with THINK Gas to supply 1 million smart gas meters.

Energy metering
ContractTechnology

Va tech wabag · client: Chennai petroleum corporation

VA TECH WABAG said that it has secured order worth Rs 145 crore from Chennai Petroleum Corporation (CPCL) for installing desalination water pipelines at CPCL's Kattupalli plant.

Water technology
ContractTechnology

Zaggle Prepaid · client: AGP City Gas

The first order won by the company is a five year contract for Zaggle's fleet program from AGP City Gas.

ContractService

Bharat heavy electricals · client: Tangedco

Bharat Heavy Electricals Limited (BHEL) has been appointed as the project engineering management company for this initiative by TANGEDCO.

Green Hydrogen

Energy companies in Chennai, by revenue

Browse energy companies in Chennai by reported revenue, one-year revenue growth, revenue model, age and stage. The 50 companies below are the largest by their most recent reported revenue among 174 energy companies in Chennai, Tamil Nadu that have filed a figure in the last four years. Every figure keeps its own reporting period, so compare periods before comparing amounts.

Showing 25 of 50

Provider of solar panels and clean, renewable energy solutions

Solar energy
₹89,609.55 crFY 2023-24
+13%2023–2024
—Not available
33 yr1993
0none in 3 months

Oil Refining Company

Oil & gas downstream
₹79,283.01 crFY 2023-24
Not reported
1,678-6% 12 mo to Sep 2024LinkedIn · Jul 2026
61 yr1965
0none in 3 months

Provider of electricity and transmission development projects

Electricity transmission & distribution project developer
₹2,641.65 crFY 2021-22
Not reported
174LinkedIn · Jul 2026
14 yr2012
—No postings tracked

Manufacturer of multiple electrical equipment

Electricity transmission & distribution equipment
₹2,258.88 crFY 2021-22
Not reported
16+13% 12 mo to Jul 2024LinkedIn · Jul 2026
20 yr2006
0none in 3 months

Provider of refrigerant gases, ash management, green mobility, and power solutions

Industrial gases
₹2,518.02 crFY 2024-25
+80%2024–2025
98-30% 12 mo to Mar 2023recorded Mar 2023
24 yr2002
0none in 3 months · last posted Jan 2025

Everrenew is a renewable energy company that offers affordable and reliable wind power and solar power investment solutions

Wind energy
₹2,385.13 crFY 2023-24
+348%2023–2024
370+408% 12 mo to Sep 2023LinkedIn · Jul 2026
7 yr2019
0none in 3 months · last posted Jan 2025

Manufactures linear alkylbenzene and other organic chemicals

Oil & gas downstream
₹1,705.21 crFY 2023-24
Not reported
376-9% 12 mo to Mar 2023recorded Mar 2023
42 yr1984
—No postings tracked

Manufactures intermediates and specialty chemicals

Oil & gas downstream
₹1,061.51 crFY 2023-24
Not reported
353+11% 12 mo to Mar 2023recorded Mar 2023
40 yr1986
—No postings tracked

Oil and natural gas production and exploration company

Oil & gas upstream
₹767.81 crFY 2023-24
Not reported
481+11% 12 mo to Jun 2024LinkedIn · Jul 2026
43 yr1983
—No postings tracked

Manufacturer of transformers

Electricity transmission & distribution equipment
₹628.22 crFY 2024-25
+23%2024–2025
162-1% 12 mo to Sep 2024recorded Sep 2024
22 yr2004
0none in 3 months

EPC services for installation of solar farms

Solar energy
₹482.77 crFY 2024-25
+73%2024–2025
319+15% 12 mo to Jul 2024recorded Jul 2024
42 yr1984
0none in 3 months

Provider of solar energy operation and maintenance services

Solar energy
₹446.73 crFY 2023-24
+62%2023–2024
271+51% 12 mo to Sep 2024recorded Sep 2024
9 yr2017
0none in 3 months

Engineering construction company that provides integrated design, detailed engineering, procurement, and project management services for industrial piping, HDD, and tankages projects

Electricity transmission & distribution project developer
₹296.19 crFY 2021-22
Not reported
397+33% 12 mo to Mar 2024LinkedIn · Jul 2026
66 yr1960
—No postings tracked

Utility-scale project developer

Wind energy
₹322.57 crFY 2024-25
+73%2024–2025
346-51% 12 mo to Jul 2024LinkedIn · Jul 2026
28 yr1998
0none in 3 months

Offers electrical manufacturing, engineering and testing services

Industrial automation equipment
₹307.01 crFY 2024-25
+6%2024–2025
1,588-13% vs previous recordLinkedIn · Jul 2026
31 yr1995
0none in 3 months

Provider of turnkey solutions in power, process, and water industries including project engineering, design, procurement, construction, and commissioning

Solar energy
₹253.49 crFY 2021-22
Not reported
946+10% 12 mo to Feb 2024LinkedIn · Jul 2026
24 yr2002
0none in 3 months · last posted Dec 2025

Online platform for designing and managing renewable energy power programs

Wind energy
₹283.02 crFY 2024-25
+5%2024–2025
172+7% 12 mo to Oct 2023LinkedIn · Jul 2026
20 yr2006
0none in 3 months

Independent transformer manufacturer, offering power and distribution transformer solutions for reliable and energy-efficient power distribution networks

Electricity transmission & distribution equipment
₹275.47 crFY 2024-25
+27%2024–2025
118LinkedIn · Jul 2026
20 yr2006
0none in 3 months

Leading natural gas distributor in gas distribution sector

Utilities
₹258.81 crFY 2022-23
Not reported
501+6% 12 mo to May 2024LinkedIn · Jul 2026
8 yr2018
0none in 3 months

Provider of green and sustainable energy solutions

Bioenergy
₹257.04 crFY 2024-25
+42%2024–2025
—Not available
2 yr2024
0none in 3 months

Provider of high-yielding sugar and bio-energy solutions through design, supply, installation, and process optimization of industrial equipment

Geothermal energy
₹202.08 crFY 2021-22
Not reported
175recorded
85 yr1941
—No postings tracked

Provider of solar energy services for homes & business

Solar energy
₹208.66 crFY 2024-25
+24%2024–2025
76LinkedIn · Jul 2026
40 yr1986
0none in 3 months · last posted Jun 2026

Manufacturer of renewable energy solutions, specifically focused on sustainable ethanol production

Bioenergy
₹206.38 crFY 2024-25
+65%2024–2025
—Not available
7 yr2019
0none in 3 months

Operator of a combined cycle power plant providing electrical power

Transmission system operators (tso)
₹178.27 crFY 2021-22
Not reported
—Not available
25 yr2001
0none in 3 months

Manufacturer of solar inverters, modules, and balance of system components

Solar energy
₹198.58 crFY 2024-25
+8%2024–2025
183LinkedIn · Jul 2026
15 yr2011
4postings · last posted Sep 2026
50 of 310 companies shown here · the full list is on Radar
Fliar Radar

Explore all 310 energy companies in Chennai on Radar

This page shows the top 50. Radar has the complete, filterable list with contacts and live company signals.

Open energy in Chennai on Radar
  • Every company, not just 50All 310 energy companies in Chennai, filterable by stage, funding, team size, revenue model and age.
  • Founders and decision-makersLeadership teams with roles and verified LinkedIn profiles, ready for outreach.
  • Live signalsFunding rounds, hiring, launches and M&A as they happen, with alerts on the companies you follow.
  • Save and exportBuild lists, compare companies side by side and export them from your Radar account.

Explore energy companies in Chennai by what you are looking for

Discover top energy companies in Chennai, including solar, wind and power equipment companies. You can also look at energy startups in Chennai and energy companies that are hiring.

9 ways to explore energy in Chennai

Solar energy companiesWind, hydro & renewable power companiesTransformers & power transmission equipment makersBattery & energy storage companiesBioenergy & biofuel companiesOil & gas companies and services

Solar energy companies

Solar panel suppliers, EPC contractors and solar project developers.

  1. Redington

    Provider of solar panels and clean, renewable energy solutions

    Solar energy
    See in list
  2. Swelect Energy Systems

    EPC services for installation of solar farms

    Solar energy
    See in list
  3. Renfra Energy

    Provider of solar energy operation and maintenance services

    Solar energy
    See in list
  4. Ace Renewtech

    Provider of solar energy services for homes & business

    Solar energy
    See in list
  5. Evolve Energy Group

    Manufacturer of solar inverters, modules, and balance of system components

    Solar energy
    See in list

Wind, hydro & renewable power companies

Wind turbine makers and renewable power generators and operators.

  1. ReGen Powertech

    Manufacturer of wind turbines

    Wind energy
    Website
  2. Everrenew

    Everrenew is a renewable energy company that offers affordable and reliable wind power and solar power investment solutions

    Wind energy
    See in list
  3. Orient Green Power Company

    Online platform for designing and managing renewable energy power programs

    Wind energy
    See in list
  4. Pioneer Wincon

    Wind turbine manufacturer

    Wind energy
    See in list
  5. TVH Energy Resource

    Developer of wind energy projects

    Wind energy
    Website

Transformers & power transmission equipment makers

Manufacturers of transformers and electrical equipment, and transmission project developers.

  1. IL&FS Tamil Nadu

    Provider of electricity and transmission development projects

    Electricity transmission & distribution project developer
    See in list
  2. PTS Powertronic Solutions

    Manufacturer of multiple electrical equipment

    Electricity transmission & distribution equipment
    See in list
  3. Indo Tech Transformers

    Manufacturer of transformers

    Electricity transmission & distribution equipment
    See in list
  4. Voltech Group

    Offers electrical manufacturing, engineering and testing services

    Industrial automation equipment
    See in list
  5. Wilson Power Solutions

    Independent transformer manufacturer, offering power and distribution transformer solutions for reliable and energy-efficient power distribution networks

    Electricity transmission & distribution equipment
    See in list
65 companies in Chennai

Battery & energy storage companies

Makers of batteries, inverters, UPS systems and EV chargers.

  1. High Energy Batteries

    Manufacturer of multi-type of batteries for military and commercial use

    Energy storage
    See in list
  2. Velsine Technologies

    Provider of the lead-acid battery manufacturing company

    Energy storage
    Website
  3. Mass Power Controls

    Manufacturer of UPS, solar panels, and inverters

    Electricity transmission & distribution equipment
    Website
  4. RRT Electro Powwer

    Manufacturer of electric vehicle, DC fast, and other chargers

    Energy storage
    Website
  5. SNAK4EV

    Provider of electric vehicle charging solutions

    Energy storage
    Website

Bioenergy & biofuel companies

Producers of biogas, biodiesel and ethanol.

  1. SLB Ethanol

    Manufacturer of renewable energy solutions, specifically focused on sustainable ethanol production

    Bioenergy
    See in list
  2. Carbon Loops

    Converter of waste into biogas

    Bioenergy
    Website
  3. Pan Oleo Energy

    Provider of biodiesel, biofuels, and commercial-grade chemicals manufacturing services

    Bioenergy
    Website
  4. SARA BIO RESOURCES

    Developer of bio-energy projects

    Bioenergy
    Website
  5. B-Sustain

    Manufacturer of metal conveyor belts and conveyors

    Bioenergy
    Website

Oil & gas companies and services

Oilfield services, equipment makers and fuel and gas distributors.

  1. Chennai Petroleum Corporation

    Oil Refining Company

    Oil & gas downstream
    See in list
  2. HOEC

    Oil and natural gas production and exploration company

    Oil & gas upstream
    See in list
  3. AG&P Pratham

    Leading natural gas distributor in gas distribution sector

    Utilities
    See in list
  4. Venlub Petro Products

    Manufacturer of industrial lubricants, lubricant oil, and industrial speciality oils

    Oilfield chemicals
    See in list
  5. Enmas India

    Provider of oil & gas refining, petro chemical, cement industries expanding services

    Oilfield services
    See in list

Energy efficiency & energy services companies

Energy audit, efficiency, LED lighting and metering service providers.

  1. Orril

    301 Moved Permanently

    Services for energy efficiency
    See in list
  2. Futura

    Manufacturer of LED lighting solutions with over a decade of experience in architectural lighting

    Energy efficiency
    Website
  3. ABC Techno Labs

    Provider of consulting and energy efficiency services

    Services for energy efficiency
    Website
  4. Pothigai Power

    Company that provides training, engineering, and technical services related to energy systems

    Utilities
    Website
  5. SYMTEC

    ..:: Your Reliable Partner for Electrical and Automation | SYMTEC ENGINEERS LTD ::..

    Energy efficiency
    Website

Energy startups in Chennai

Newer energy companies founded in recent years.

  1. Remon Solutions

    Provider of engineering consultation and software for the renewable energy sector

    Solar energy
    See in list
  2. WandSe Solutions

    Provider of reliable and efficient renewable energy solutions specializing in wind turbine generators & solar power plants

    Wind energy
    Website
  3. Aruvi Solar

    Manufacturer of solar powered products

    Solar energy
    Website
  4. Mittz International

    Provider of comprehensive solar solutions and automation services

    Solar energy
    Website
  5. Viruksa

    Provider of carbon management solutions for businesses

    Solar energy
    Website
23 companies in Chennai

Energy companies hiring in Chennai

Energy companies with open jobs right now.

  1. Refex Group

    Provider of refrigerant gases, ash management, green mobility, and power solutions

    Industrial gases
    See in list
  2. Everrenew

    Everrenew is a renewable energy company that offers affordable and reliable wind power and solar power investment solutions

    Wind energy
    See in list
  3. Operational Energy Group

    Provider of turnkey solutions in power, process, and water industries including project engineering, design, procurement, construction, and commissioning

    Solar energy
    See in list
  4. Ace Renewtech

    Provider of solar energy services for homes & business

    Solar energy
    See in list
  5. Evolve Energy Group

    Manufacturer of solar inverters, modules, and balance of system components

    Solar energy
    See in list
15 companies in Chennai
Mobile reach

Top 9 energy apps from Chennai

The most-installed Android apps published by energy companies headquartered in Chennai — 4.7M installs between them. 9 companies on this page publish at least one app; each company (legal entity) appears once, with its most-installed app.

1 of 9
1

TNEB Mobile App(Official)

by TANGEDCO

Installs4.7M
Rating3.2918K ratings
Installs, year on year+21%
Last updatedJul 2025
View on Google Play ↗
TNEB Mobile App(Official) screenshot 1TNEB Mobile App(Official) screenshot 2TNEB Mobile App(Official) screenshot 3TNEB Mobile App(Official) screenshot 4TNEB Mobile App(Official) screenshot 5TNEB Mobile App(Official) screenshot 6
2

SNAK4EV

by SNAK4EV

Installs6K
Rating—
Last updatedMay 2026
View on Google Play ↗
SNAK4EV screenshot 1SNAK4EV screenshot 2SNAK4EV screenshot 3SNAK4EV screenshot 4
4

Think Gas iReport

by THINK Gas

Installs4K
Rating—
Last updatedMar 2026
View on Google Play ↗
Think Gas iReport screenshot 1Think Gas iReport screenshot 2Think Gas iReport screenshot 3Think Gas iReport screenshot 4
6

NISSI Connect

by Nissi

Installs895
Rating—
Last updatedMay 2026
View on Google Play ↗
NISSI Connect screenshot 1NISSI Connect screenshot 2NISSI Connect screenshot 3NISSI Connect screenshot 4NISSI Connect screenshot 5NISSI Connect screenshot 6
9

ArrplEMSapp

by ARRPL

Installs7
Rating—
Last updatedDec 2025
View on Google Play ↗
ArrplEMSapp screenshot 1ArrplEMSapp screenshot 2ArrplEMSapp screenshot 3ArrplEMSapp screenshot 4ArrplEMSapp screenshot 5ArrplEMSapp screenshot 6
The business behind the activity

Energy financials in Chennai

Revenue, profit and growth from the filed annual accounts of 157 energy companies in Chennai, Tamil Nadu for FY24-25 — 187 of the 310 companies on this page file accounts with the Ministry of Corporate Affairs. The five largest earn 92% of the revenue, so medians describe the typical company better than totals.

combined revenue, FY24-25₹87,884.95 cr

157 companies filing accounts

combined net profit₹1,087.83 cr

1.2% aggregate margin

are profitable79%

124 of 157 companies

median revenue~₹12.5 cr

the typical company

median revenue growth+16%

into FY24-25

earned by the top five92%

revenue concentration

Six-year view

Combined revenue of filing companies

₹57,931.05 crFY19-20145 filers
₹50,614.76 crFY20-21147 filers
₹71,812.41 crFY21-22156 filers
₹104,522.33 crFY22-23160 filers
₹97,788.04 crFY23-24165 filers
₹87,884.95 crFY24-25157 filers

The number of companies filing changes each year; the three-year cohort below compares like with like.

Like-for-like

The same 139 companies over three years

-15%
FY22-23₹103,400.20 cr₹4,542.09 cr net
FY23-24₹94,377.43 cr₹5,644.05 cr net
FY24-25₹87,620.57 cr₹1,082.53 cr net

Companies with accounts for all three years, so growth is not an artefact of who filed.

Scale and profit

Bigger companies are far more often profitable

Under ₹1 cr3132% profitable
₹1–10 cr4290% profitable
₹10–100 cr5888% profitable
₹100–1,000 cr2295% profitable
Over ₹1,000 cr4100% profitable

Companies by FY24-25 revenue. Bars show how many companies sit in each band.

Momentum

How fast revenue moved into FY24-25

Shrinking43
0–20%39
20–50%34
50–100%15
Doubled+20

151 companies with accounts for both years; median growth +16%.

Profitability

Profit is concentrated at the top

124profitable
33loss-making
1.2%aggregate margin
2.6%median margin

The aggregate margin is pulled up by a few large filers; the median shows the typical company.

Growth leaders · ₹10 cr+ revenue

Fastest growing, FY24-25

CompanyGrowthRevenue
Real Fuel TechREAL FUEL TECH PRIVATE LIMITED₹39.91 cr
ShasanSHASAN ENGINEERING PRIVATE LIMITED+243%
Kyra PhotonKYRA PHOTON TECH PRIVATE LIMITED
SB Wind EnergySB WIND ENERGY PRIVATE LIMITED₹24.35 cr
TGEPLTIRUPATHII GREEN ENERGY PRIVATE LIMITED+202%₹38.57 cr
CarbonMinusCARBON MINUS ENERGY PRIVATE LIMITED
Profit leaders · ₹10 cr+ revenue

Highest net margins, FY24-25

CompanyMarginRevenue
HOECHINDUSTAN OIL EXPLORATION COMPANY LIMITED38.3%₹384.98 cr
EEPCENMAS EPC POWER PROJECTS LIMITED
CarbonMinusCARBON MINUS ENERGY PRIVATE LIMITED
High Energy BatteriesHIGH ENERGY BATTERIES (INDIA) LIMITED
SPS TransformersSPS TRANSFORMERS PRIVATE LIMITED
Supreme Power EquipmentSUPREME POWER EQUIPMENT LIMITED
Inside the industry

Sub-sectors compared, FY24-25

Sub-sectorCompaniesRevenueMedian revenueProfitableMargin
Electricity transmission & distribution project developer15₹5,232.38 cr~₹3.7 cr67%3.8%
Electricity transmission & distribution equipment23₹2,035.34 cr~₹31.4 cr83%7.6%
Solar energy55₹1,689.15 cr~₹7.1 cr78%3.9%
Wind energy15₹705.90 cr~₹22.9 cr73%2.0%
Bioenergy6₹295.12 cr~₹9.2 cr83%3.9%
Oilfield services7₹283.90 cr~₹21.8 cr71%6.8%
Energy storage5₹94.14 cr~₹1.6 cr80%15.9%
Energy efficiency6₹78.96 cr~₹4.2 cr67%-8.7%
Leaders

Largest energy companies by revenue, FY24-25

Company · legal entityRevenueNet resultMarginGrowth
Chennai Petroleum CorporationCHENNAI PETROLEUM CORPORATION LIMITED₹71,093.43 cr₹173.53 cr0.2%-10%
IL&FS Tamil NaduIL&FS TAMIL NADU POWER COMPANY LIMITED₹4,572.59 cr₹166.73 cr3.6%-9%
Refex GroupREFEX INDUSTRIES LIMITED₹2,482.52 cr₹189.41 cr7.6%+79%
TPLTAMILNADU PETROPRODUCTS LIMITED₹1,846.71 cr₹51.43 cr2.8%+9%
Manali PetrochemicalMANALI PETROCHEMICALS LIMITED₹669.27 cr−₹8.74 cr-1.3%-19%
Indo Tech TransformersINDO-TECH TRANSFORMERS LIMITED₹628.22 cr₹63.88 cr10.2%+23%
NRP ProjectsNRP PROJECTS PRIVATE LIMITED₹500.08 cr₹25.49 cr5.1%+6%
Swelect Energy SystemsSWELECT ENERGY SYSTEMS LIMITED₹482.77 cr₹8.58 cr1.8%+64%
HOECHINDUSTAN OIL EXPLORATION COMPANY LIMITED₹384.98 cr₹147.47 cr38.3%-26%
Kshema Power and InfrastructureKSHEMA POWER INDIA PRIVATE LIMITED₹308.66 cr₹29.23 cr9.5%+66%
Some figures are available to Radar members.Log in to Radar to see every figure

Standalone annual accounts filed with the Ministry of Corporate Affairs. Brands that share one legal entity are shown together and counted once.

Industry landscape report

Energy Industry Landscape of Chennai

The financials above are one chapter. The full energy landscape of Chennai maps the whole industry — every segment, the capital behind it, the talent market and where the next opportunities are.

  • Market map of every sub-sector
  • Funding & company formation by year
  • Revenue, profit & financial strength
  • Digital footprint: traffic, apps, releases
  • Hiring, skills & pay
  • Founders & leaders
  • News & sentiment
  • Where demand runs ahead of supply
Read the energy landscape of Chennai
For investors and data teams

Put this intelligence into your own tools

The figures on this page come from Fliar’s company, funding and MCA filings data. Use it through the Investor Intelligence API and MCA financials feeds, or explore every company, filing and investor in Radar.

Capital & corporate activity

Energy funding and M&A across India

545 recorded equity rounds have gone to 6,577 energy companies in India — how much, at which stage, into which sub-sectors, from whom, and how Chennai compares. Debt, IPO and grant rounds are excluded.

equity rounds, last 12 months23

US$796.81m

equity rounds, last 24 months71

US$1.47bn

raised over five yearsUS$5.37bn

219 rounds in India

M&A deals, Chennai6

last 24 months

Capital by year

Equity funding into energy in India

amount rounds
$998m201829
$1.3bn201919
$443m202016
$668m202130
$1.3bn202234
$1.1bn202338
$984m202463
$900m202540
$406m202614

Bars show US$ raised; the number under each year is equity rounds. 2026 is year to date. The peak year was 2022, with US$1.31bn across 34 rounds.

The funding ladder · five years

Rounds and typical cheque by stage

AngelUS$102.98m26 rounds · median US$326k
SeedUS$142.06m82 rounds · median US$407k
Series AUS$430.28m42 rounds · median US$4.54m
Series BUS$717.57m25 rounds · median US$13.32m
Series CUS$601.70m16 rounds · median US$35.61m
Series D+US$2.17bn20 rounds · median US$58.75m
Private equityUS$1.20bn8 rounds · median US$100.00m
Where the money went · five years

Most-funded sub-sectors

Solar energyUS$3.38bn122 rounds · 64 companies
Wind energyUS$771.24m11 rounds · 4 companies
Renewable energy techUS$661.80m5 rounds · 3 companies
Electricity transmission & distribution equipmentUS$125.84m4 rounds · 4 companies
Diversified consumer electronics brandsUS$62.00m1 rounds · 1 companies
Hydro powerUS$57.58m2 rounds · 2 companies
Alternative lendingUS$54.61m4 rounds · 1 companies
Corporate activity · last 24 months

M&A in Chennai

4Acquisition
2Merger

Most active acquirers

  1. Refex Holding Private Limited1
  2. Varanium Capital Advisors1
  3. BofA Securities Europe SA1
  4. Refex industries1
  5. BVK Group1

Most acquired or merged

  1. Refex industries1
  2. Supreme Power Equipment1
  3. Chennai petroleum corporation1
  4. Refex Green Mobility Limited1
  5. GKD India1

Each deal appears in the events strip at the top of the page.

Energy funding in Chennai

9 energy companies in Chennai have recorded equity funding, US$200.31m in total. Totals and round dates describe the historical record; they are not current valuations.

Founders and momentum in Chennai

Meet the people behind energy companies in Chennai. 91 of 310 companies list founders or leaders; where a public LinkedIn profile matches exactly, the expanded profile shows the photo, headline, location and education.

Explore Chennai energy companies by sub-sector

The most common specialisations among energy companies in Chennai. Open a company to see what it sells, who runs it and how far it has come.

Keep exploring energy in India and nearby markets.

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