India’s data center industry is growing rapidly as demand for cloud services, digital payments and AI applications increases. Data center companies are expanding their facilities across the country, bringing fresh investment and raising demand for reliable electricity. The sector has attracted around US$173 billion in investment commitments since 2021, including US$38 billion in the first half of 2026.
India added around 130 MW of data center capacity in the first half of 2026 and is on track to cross 2 GW by the end of the year. As these facilities grow, so does their need for a steady power supply. This makes access to renewable energy an important consideration for data center operators planning their next phase of growth.
Data Center Companies in India at a Glance
This table compares leading data center companies in India based on their facilities, locations and stated renewable energy commitments. It focuses on companies that operate colocation or hyperscale data centers in India and have publicly shared their renewable energy goals, making it easier to compare their current presence and plans for cleaner power.
| Company | HQ | Published renewable commitment |
|---|---|---|
| Avaada Data Services | Mumbai | 76% renewable at launch scaling to 100%, matched hourly by battery storage, across about 400 MW of green capacity |
| Nxtra by Airtel | New Delhi | RE100 member committed to 100% renewable power, 422,000 MWh of renewable energy contracted, net zero targeted for 2031 |
| ST Telemedia GDC India | Mumbai | 21 MWp solar PPA for Chennai within a partnership spanning more than 130 MW across Tamil Nadu and Maharashtra, taken in captive mode with a 26% equity stake |
| CtrlS Datacenters | Hyderabad | First LEED Platinum certification awarded to a data center in India |
| AdaniConneX | Ahmedabad | Sustainable infrastructure focus stated against a 1 GW capacity target within the decade |
Top Data Center Companies in India
India’s data center industry includes companies that operate large facilities for cloud services, enterprise workloads and digital platforms. Their expansion plans, facility locations and renewable energy commitments offer useful insights into how the sector is growing and addressing its rising power needs. The following companies stand out for their presence in India and, where details are available, their approach to cleaner energy.
1. ST Telemedia Global Data Centers India
Headquartered in Mumbai, ST Telemedia Global Data Centers India was founded in 2004 and is led by Bimal Khandelwal. It operates 30 facilities across 10 cities, with more than 318 MW of critical IT load.
Its renewable energy initiatives include:
- Solar power agreement: Signed a 21 MWp solar power purchase agreement (PPA) in April 2026 to supply its Chennai data centers.
- Captive renewable power: The agreement forms part of a partnership covering more than 130 MW across Tamil Nadu and Maharashtra, with a 26% stake in the generating project.
2. Nxtra by Airtel
Based in New Delhi, Nxtra by Airtel was founded in 2013 and is led by Ashish Arora. Its network includes 12 large data centers and more than 120 edge sites.
Its key renewable energy commitments include:
- Renewable electricity: Joined RE100 in June 2024, committing to source 100% of its electricity from renewable sources.
- Renewable energy procurement: Had contracted 422,000 MWh of renewable energy by June 2024.
- Net-zero target: Aims to achieve net-zero emissions by 2031.
3. CtrlS Datacenters
Founded in 2007 by Sridhar Pinnapureddy, CtrlS Datacenters is headquartered in Hyderabad. It operates data centers across Mumbai, Bengaluru, Kolkata, Hyderabad, Noida and Chennai. The company also holds the first LEED Platinum certification awarded to a data center in India.
4. AdaniConneX
AdaniConneX was formed in 2021 and is led by Jeyakumar Janakaraj. Its Chennai 1 facility is part of a wider expansion plan that targets 1 GW of data center capacity within the decade. The company identifies sustainable infrastructure as a key consideration in its development plans.
Other Data Center Operators in India
Several other companies also have a significant presence in India’s data center market:
- NTT Global Data Centers India: Operates 18 facilities across four cities.
- Yotta Data Services: Has facilities in Navi Mumbai, Greater Noida and Chennai.
- Digital Connexion: Operates a 100 MW data center campus in Chennai.
- Iron Mountain: Operates an 8.3 MW campus in Navi Mumbai.
- Equinix India: Has data center operations in Mumbai.
- Sify Technologies: Operates data centers in Chennai.
These companies add to India’s growing data center capacity, although the scale of their operations and their publicly stated renewable energy commitments vary.
Also Read: What Is a Data Center? A Complete Beginner’s Guide
Green Data Center Companies in India
A green data center company states how much of its electricity comes from renewable sources and sets clear targets for increasing that share. In India, companies follow different approaches. Nxtra, for example, has committed to renewable energy through annual procurement, while ST Telemedia Global Data Centers India has invested in renewable power generation through a captive arrangement.
Avaada Data Services follows a third approach: matching its power use with carbon-free electricity every hour. According to its own disclosures, its plans include:
- Planned capacity: Around 400 MW of green data center capacity across Panvel in Navi Mumbai, Butibori in Nagpur and Noida.
- Renewable energy target: 76% renewable power at launch, with a plan to reach 100%. Renewable power will support core operations, while non-renewable power will be limited to essential backup.
- Hourly power matching: Battery storage will help match electricity use with carbon-free power in real time, rather than relying only on annual renewable energy certificates.
- Project readiness: The project has secured industrial land, MIDC water supply, grid access and transmission approvals.
Hourly matching offers a clearer picture of a data center’s power use. A facility may hold renewable energy certificates that cover its annual electricity consumption but still draw coal-based power at certain times, such as during the night. Matching electricity demand with carbon-free power each hour helps address this gap. It requires a reliable combination of renewable generation and energy storage.
Also Read: Achieving Carbon-Neutral Data Centers with Renewables
Where India's Data Centers Are Located
India’s data center capacity is concentrated in three main regions: Mumbai, Chennai and Delhi NCR. Together, they account for more than 80% of the country’s operational capacity. Mumbai alone accounted for 94% of the new capacity added in the first half of 2026.
Navi Mumbai and Siruseri, near Chennai, are established data center hubs, while Hyderabad and Bengaluru are emerging markets.
These locations offer three key advantages: access to subsea cable landing stations in Mumbai and Chennai, reliable power supply and transmission infrastructure, and state policies that support data center development.
How Data Center Companies Buy Green Power
Data center companies can source renewable electricity in 4 main ways. The right option depends on their power needs, budget and level of control over supply.
- Captive generation: The company invests in a power plant and uses the electricity it generates. This can offer greater control over long-term power costs.
- Open access: The company buys renewable electricity from an external power producer and uses the grid to receive it. In India, open access is available to eligible consumers, subject to applicable rules and approvals.
- Power purchase agreement (PPA): The company signs a long-term contract with a power producer to buy electricity at agreed prices and volumes. These agreements often run for 15 to 25 years.
- Green tariff: The company buys renewable electricity through its local utility, usually at an additional charge. This is often simpler to arrange but offers less control over how the power is supplied.
For example, ST Telemedia Global Data Centers India contracted 99 million kWh of renewable electricity each year from Avaada’s MHKhamgaon subsidiary for its data centers in Maharashtra.
However, none of these options alone guarantees a continuous supply of renewable power. Solar generation stops after sunset, while wind output changes with weather conditions. Battery storage can help fill these gaps by storing surplus renewable electricity for use when generation falls. This makes round-the-clock renewable power more complex to arrange, but it can be valuable for data centers that need a reliable electricity supply at all times.
Also Read: How Are Data Centers and the Energy Sector Powering AI
Conclusion
India’s data center capacity is expected to cross 2 GW by the end of 2026, supported by US$173 billion in investment commitments since 2021.
India’s growing data center capacity calls for reliable power solutions that can support continuous operations while reducing dependence on conventional energy sources. Through its solar, wind, hybrid and energy storage projects, Avaada Group operates across multiple renewable energy segments. Alongside this, Avaada Data Services is developing approximately 400 MW of green data centre capacity.
Connect with our team to explore how renewable power and energy storage solutions can help meet your data center’s round-the-clock electricity requirements.
FAQs
Which data center companies in India use renewable energy?
Nxtra by Airtel is an RE100 member committed to 100% renewable power, ST Telemedia GDC India holds a 21 MWp solar PPA for Chennai in captive mode, and CtrlS Datacenters holds India’s first LEED Platinum certification for a data center. Avaada Data Services is building at 76% renewable at launch, scaling to 100%.
Which Indian city has the most data center capacity?
Mumbai has the most data center capacity. Together with Chennai and Delhi NCR, it holds more than 80% of India’s operational capacity, and Mumbai took 94% of all new supply added in the first half of 2026.
What is the difference between colocation and hyperscale data centers?
A colocation facility rents space, power and cooling to many customers who bring their own servers. A hyperscale facility is built for one large operator at a much larger scale. Many Indian operators run both models.
How do data center companies buy renewable power in India?
Four routes: captive generation where the operator holds a stake in the plant, open access from a third-party developer, a long-term power purchase agreement, or a green tariff from the local utility. Captive and open access give the most control.
What is 24x7 time-matched renewable power for data centers?
24×7 time-matched renewable power for data centers means matching renewable supply to consumption every hour rather than averaging it across a year. Annual certificates can cover total usage, even if the facility still draws grid power overnight. Hourly matching closes that gap, and it requires storage alongside generation.
