Best Energy Companies in Kolkata, India
The 106 best Energy companies in Kolkata, India in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Exide Industries.
Our analysis of 50 Energy companies
$12.0b in tracked funding; 71% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Energy companies in Kolkata
| # | Company | Disclosed funding | Revenue | Revenue YoY | Employees | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | Coal India Coal mining corporation | — | $18.1B FY2025 | — | 239,210 | WagtailPythonPHP+13 | — | — |
| 2 | CESC Electric utility company | $80M | $2.1B FY2025 | +12% | 6,320 | Node.jsBootstrapSocket.io+16 | 2 patents Sustainable concrete production using bottom ash from thermal power plants | 1 launch |
| 3 | Exide Industries Manufacturer and marketer of a wide range of lead acid storage batteries | $220M | $2.1B FY2025 | +3% | 5,100 5,100 → 7,343 (+44%) | Google MapsAnimate.cssBootstrap+17 | — | 1 job opening |
| 4 | Exide Provider of car battery emergency services and doorstep service for inverter batteries and HUPS | — | $2.1B FY2025 | +3% | 3,135 | Microsoft ASP.NETAmazon ALBAmazon Web Services+14 | — | — |
| 5 | Haldia Petrochemicals Manufacturer of polyethylene products 57Fin. health top 14%Market top 29%Moat top 36%Talent top 38% All 12 signals ▾Fin. healthtop 14% Markettop 29% Moattop 36% Talenttop 38% Growthtop 42% Fundingtop 43% Partnerstop 50% Techbottom 44% Globalbottom 40% Patentsbottom 38% Newsbottom 37% Innovationbottom 18% Fin. health: Revenue ~$1.7B (FY2015) · Net margin 12.9% Market: 1,072 employees (top 21% of Chemicals and Materials) · Revenue ~$1.7B rank vs industry peers · Fliar Intelligence Index 57/100 | $46M | $1.7B FY2025 | +182938% | 1,072 1,072 → 1,868 (+74%) | PHPBootstraptoastr+12 | 5 patents Patents concentrated in chemistry & materials | 1 expansion |
| 6 | Chloride Metals Manufacturers of lead & lead based products for the battery industry | — | $683M FY2025 | +16% | 288 | PHPOpenSSLApache HTTP Server+7 | — | — |
| 7 | Balrampur Chini Mills Manufacturer of sugar and sugar byproducts | — | $651M FY2025 | -5% | 2,267 | WordPressMySQLPHP+22 | — | — |
| 8 | Vikram Solar Manufacturer of solar photovoltaic modules and renewable energy solutions 89Market top 15%Partners top 18%Product top 19%News top 21% All 12 signals ▾Markettop 15% Partnerstop 18% Producttop 19% Newstop 21% Moattop 22% Fin. healthtop 27% Innovationtop 30% Talenttop 30% Growthtop 33% Fundingtop 34% Globaltop 36% Techtop 43% Market: 3,129 employees (top 4% of Solar Energy) · Revenue ~$409M Partners: 2 partnership announcements in 12 mo (3 in 24 mo) · 12 contract events in 12 mo rank vs industry peers · Fliar Intelligence Index 89/100 | $94M | $409M FY2025 | +37% | 3,129 3,129 → 2,092 (-33%) | WordPressMySQLPHP+34 | — | — |
| 9 | Balmer Lawrie & Co. Diversified conglomerate firm operating across multiple sectors 37Product top 26%Fin. health top 30%Moat top 38%Tech top 45% All 10 signals ▾Producttop 26% Fin. healthtop 30% Moattop 38% Techtop 45% Marketbottom 49% Talentbottom 49% Globalbottom 37% Growthbottom 35% Newsbottom 35% Innovationbottom 24% Product: 1 product launch event in 12 mo · Company stage: Public Fin. health: Revenue ~$303M (FY2025) · Net margin 96.0% rank vs industry peers · Fliar Intelligence Index 37/100 | — | $303M FY2025 | +7% | 2 | Animate.cssBootstrapYouTube+21 | — | — |
| 10 | Techno Electric & Engineering Wind power generation and EPC services in wind sector | $14M | $210M FY2017 | — | 360 | PHPLaravelBootstrap+15 | — | — |
| 11 | Eveready Manufacturer of batteries, lighting solutions, and electrical accessories | — | $159M FY2025 | +2% | 399 | WordPressMySQLPHP+14 | — | — |
| 12 | Hiranmaye Energy Power generation company engaged in thermal energy production | — | $110M FY2025 | +2% | — | Windows ServerBootstrapIIS+6 | — | — |
| 13 | AKA logistics Provider of electricity transmission services | — | $78M FY2025 | +26% | 17 | RoundCubePHPBootstrap+7 | — | — |
| 14 | Anvil Cables Manufacturer of wires and cables for transmission and distribution of electricity | — | $68M FY2025 | +51% | 30 | — | — | — |
| 15 | Jupiter Manufacturer of photovoltaic poly-crystalline solar cells 72Innovation top 20%Product top 21%Partners top 26%Moat top 31% All 12 signals ▾Innovationtop 20% Producttop 21% Partnerstop 26% Moattop 31% Fundingtop 36% Talenttop 38% Markettop 39% Techtop 43% Fin. healthtop 47% Newstop 50% Growthbottom 46% Globalbottom 37% Innovation: 5 product lines Product: 5 distinct product lines · Company stage: Series D rank vs industry peers · Fliar Intelligence Index 72/100 | $61M | $68M FY2025 | -1% | 425 425 → 561 (+32%) | WordPressPleskMySQL+22 | — | 1 job opening · 1 award |
| 16 | Sova Solar Manufacturer and provider of solar modules | $54K | $62M FY2025 | +58% | — | WordPressMySQLPHP+33 | — | — |
| 17 | AVO Manufacturer of solar powered products | — | $55M FY2025 | +34% | 175 | PHPChart.jsGoogle Maps+16 | — | 3 job openings |
| 18 | Bentec India Manufacturer of switch fuse units | — | $52M FY2024 | +46% | 375 | WordPressMySQLPHP+16 | — | — |
| 19 | Assam Company World's first tea company, cultivating and crafting premium Indian teas | — | $51M FY2025 | +14% | 103 103 → 238 (+131%) | WordPressPleskMySQL+17 | — | — |
| 20 | Hi-Tech Provider of products and engineering services | — | $38M FY2025 | +8% | — | WordPressMySQLPHP+30 | 55 patents Patents concentrated in computing, sensing & instrumentation | 2 awards |
| 21 | Eastern Gases Provider of a platform for tracking cycling activity and promoting cycling initiatives | — | $38M FY2017 | -5% | 18 | — | — | — |
| 22 | Captiva Energy Solutions Manufacturer of gas & diesel generator and control panel systems | — | $28M FY2025 | -12% | 193 | PleskDreamWeaverSalesforce+11 | — | — |
| 23 | HR Solar Manufacturer of solar panels and installer of plants | — | $23M FY2025 | +4% | — | PHPLaravelBootstrap+8 | — | — |
| 24 | DHP India Manufacturer of gas fitting equipment | — | $16M FY2022 | — | 222 | — | — | — |
| 25 | AMPL Cleantech Develops and operates solar and wind power plants | — | $10M FY2022 | — | 6 | — | — | — |
| 26 | Development Consultants Offers multi-disciplinary services in engineering, power generation, transmission, distribution, cement… | — | $10M FY2025 | -5% | 360 | PHPCentOSBootstrap+3 | — | — |
| 27 | IAC Electricals Provides electrical solutions | — | $10M FY2022 | — | 125 | WordPressMySQLPHP+27 | — | — |
| 28 | EDCL Developer of hydropower and wind power projects, provider of related consultancy services | $42K | $5M FY2023 | -8% | 27 | WordPressMySQLPHP+8 | — | — |
| 29 | Agni Power Offers solar EPC services | — | $5M FY2025 | +16% | 98 | WordPressMySQLPHP+21 | — | — |
| 30 | Onergy Provider of design, engineering, manufacturing, installation, O&M, and solar consultancy services | $911K | $2M FY2025 | +34% | 7 | WordPress Block EditorElementorWordPress+23 | — | — |
| 31 | Greenovera Developer of bio energy plants | — | $2M FY2025 | +9% | 24 | — | — | — |
| 32 | Enfragy Solutions Energy management services and consultancy | — | $1M FY2021 | — | 51 | NginxCloudflarecdnjs+10 | — | — |
| 33 | Asianol Lubricants Manufacturers of industrial & automotive lubricating oils, greases, and other speciality chemicals | — | $1M FY2022 | — | 32 | — | — | — |
| 34 | Hamara Grid Provider of renewable energy solutions through mini grids for rural development | — | $390K FY2025 | -67% | — | — | — | — |
| 35 | Bhaskar Solar Solar installation and solar rural electrification | — | $300K FY2022 | — | 460 | — | — | — |
Top 11 Energy companies in Kolkata
#1
Series D · Kolkata, West Bengal · founded 1978 · 425 employees$61.1Mraised▾
Manufacturer of photovoltaic poly-crystalline solar cells
#2
Public · Kolkata, West Bengal · founded 2005 · 3129 employees$94.1Mraised▾
Manufacturer of solar photovoltaic modules and renewable energy solutions. It designs and manufactures solar panels and related components for energy generation. It offers services including system design, installation support, and ongoing maintenance. It supports both residential and commercial renewable energy projects.
- Jun 2024Series B$85.6M
- Mar 2016Series A$1.3M
- Jan 2013Series A$551.2K
- Jan 2012Series A$6.6M
#3
Public · Kolkata, West Bengal · founded 1947 · 5100 employees$220Mraised▾
Manufacturer and marketer of a wide range of lead acid storage batteries. It product includes automotive, industrial, inverter, and solar solutions, catering to the power needs of various industries and households. It produces batteries for the railway, mining, and defence industries in addition to the automotive, power, telecom, infrastructure, and computer sectors.
#4
Public · Kolkata, West Bengal · founded 1879 · 6320 employees$80Mraised▾
Electric utility company
#5
Late Stage · Kolkata, West Bengal · founded 1985 · 1072 employees$46.3Mraised▾
Manufacturer of polyethylene products. It also produces motor spirit, LPG, motor spirit, benzene, butadiene, cyclopentane, and fuel oil. It provides products with a focus on safety and environmental considerations. It also has initiatives in technological innovation, safety, and environmental sustainability and recently obtained certifications like ISO.
- 2015PE—
- Conventional Debt$46.3M
#6
Public · Kolkata, West Bengal · founded 1963 · 360 employees$13.9Mraised▾
Techno Electric & Engineering Company entered the power generation sector by acquiring two wind energy generation companies. The company has emerged as an IPP with 207 MW wind energy capacity. TEECL along with its subsidiary, Simran Wind Project possesses an aggregate capacity of 163 MW. It aims to add 100 - 150 MW annually and own around 800 MW of renewable energy capacity by 2017. The company provides EPC services extending from complete power generating plants to system plant packages tailored to complement larger systems supplied by other companies.
#7
Seed · Kolkata, West Bengal · founded 2009 · 7 employees$910.8Kraised▾
Provider of design, engineering, manufacturing, installation, O&M, and solar consultancy services. It provides applications such as solar rooftop power plants, solar water pumping, solar lighting, and microgrids. It also provides innovative products such as solar TV, solar computer, solar micro grids and solar irrigation systems.
- Dec 2019Seed$252.8K
- Nov 2017Seed$81.6K
- Sep 2015Seed$353.7K
- Mar 2015Seed$97.5K
#8
Public · Kolkata, West Bengal · founded 1995 · 27 employees$42.4Kraised▾
Developer of hydropower and wind power projects, provider of related consultancy services. This entity offers complete hydropower solutions, encompassing feasibility studies, project management, engineering, procurement, construction, and turnkey project delivery. Additional services include operation and maintenance of hydropower plants, as well as rehabilitation, renovation, modernization, and uprating of existing facilities. Consultancy extends to infrastructure development and includes engineering, consultancy, and project management services. The company also undertakes EPC contracts and offers bagasse cogeneration services.
- Oct 2020Grant (prize money)$42.4K
#9
Seed · Kolkata, West Bengal · founded 2008$53.6Kraised▾
Manufacturer and provider of solar modules. It offers PERC solar cells to optimize the energy production. It provides solar cells with dual glass technology. The platform offers solar cells such as Polycrystalline, Mono PERC Bi-Facial, MONO PERC Half-cut solar cell, and more.
- Jan 2014Seed$53.6K
#10
Public · Kolkata, West Bengal · founded 1905 · 399 employees—raised▾
Manufacturer of batteries, lighting solutions, and electrical accessories. It produces a diverse portfolio of products including zinc carbon, alkaline, coin, and rechargeable batteries. The company also offers a wide selection of flashlights, torches, LED bulbs, and other lighting solutions for consumer and professional use. Additionally, it manufactures electrical accessories such as spike guards and multi-plugs. The business focuses on providing reliable and durable products for various applications.
#11
Public · Kolkata, West Bengal · founded 1867 · 2 employees—raised▾
Diversified conglomerate firm operating across multiple sectors
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Energy coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
Common questions
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.