A few years ago, most people didn’t even know where their data ‘went’ after hitting send. Today, India hosts 262 data centres, ranking 7th globally, just behind France and Canada. Not bad for a country that only truly entered the hyperscale race in the last decade.
Driven by the rapid expansion of cloud infrastructure, AI workloads, and enterprise digitisation the current cumulative capacity of data centers in India stands at ~1.2–1.4 GW and is expected to reach 8 GW by 2030 spurred by massive investments such as Reliance’s 3 GW mega-campus at Jamnagar with a $20–30B outlay and from Anant Raj Ltd., a Delhi-based developer, investing $2.1B aiming for a data center with a 300 MW by 2032.
This expansion is predicted to consume about 3% of India’s electricity in 2030, up from less than 1% currently.
Which brings us to the critical question: how do we power the data-centre boom sustainably, affordably, and reliably?
As electricity demand spikes and global tech giants hard-pivot toward net-zero operations, renewable energy, especially solar, is emerging as the strategic solution for India’s data-centre future.
According to a recent report from the International Energy Agency (IEA), data centres accounted for around 1.5% of the world’s electricity consumption in 2024, or 415 terawatt-hours (TWh).
The United States had the largest share of global data centre electricity consumption (45%), followed by China (25%) and Europe (15%).
Globally, data centre electricity consumption has grown by around 12% per year since 2017, more than four times faster than the rate of total electricity consumption, and by 2030, electricity consumption is predicted to be around 945 TWh!
AI-focused data centres can draw as much electricity as power-intensive factories such as aluminium smelters, but they are much more geographically concentrated. For example, nearly half of the data centre capacity in the United States is concentrated in five regional clusters, and the same is true in India, where five cities have the highest concentration of data centres.
The sector accounts for substantial shares of electricity consumption in local markets. Data centres operate 24/7, and electricity costs can account for the single largest component of operating expenditure. As loads increase, so does exposure to electricity price volatility. In some regions, such as the PJM grid in the United States, analysts warn that rising data-centre demand could drive electricity rates up by as much as 60% in five years.
Meeting this rising electricity demand through conventional fossil-fuel-based power alone is neither sustainable nor economically prudent. Solar, along with a battery option, can help meet this increasing demand to a large extent.
Electricity is the largest OPEX line item for any data centre. Solar reduces dependence on volatile coal-powered grid tariffs. With battery storage, it also offers energy independence, making it more stable during critical times, such as outages triggered by natural disasters or other events.
Solar has zero operational emissions and is the fastest pathway to RE100 goals adopted by global hyperscalers.
Renewables reduce load on congested urban grids, a critical advantage in hubs like Mumbai, Noida, and Bengaluru.
Apple, Google, and other hyperscalers are already on 100% renewable pathways. Solar is not just sustainable, it’s the new global baseline.
Several organisations in India are already demonstrating what a renewable-powered data-centre future can look like:
Internationally, the transition is even more advanced. Apple has powered all its data centres with 100% renewable energy since 2014, with facilities like its Mesa, Arizona site using 530 million kWh per year entirely from solar. Google is experimenting with 24/7 carbon-free energy, combining solar, wind, hydro, and storage, and has signed a 1.5 TWh, 15-year solar PPA with TotalEnergies to support operations in Ohio.
These examples show that renewable integration is not aspirational; it is already becoming mainstream.
At Horizon Renewable Power, we work closely with industrial and high-load customers to design and implement solar solutions that deliver long-term value.
This model allows data-centre operators to adopt solar with no upfront investment. Horizon manages the system end-to-end, while clients pay only for the electricity generated.
For organisations that prefer to own their solar assets, we offer complete engineering, procurement and construction services, supported by finance partnerships enabling low-EMI loans.
Given the importance of uptime and reliability, our maintenance packages include automated cleaning and continuous monitoring to ensure peak system performance.
From feasibility studies and design to net-metering, installation, monitoring, and long-term service, Horizon provides a comprehensive and seamless solar deployment experience.
Beyond installation, Horizon provides comprehensive sustainability advisory services to help clients strengthen and demonstrate their environmental leadership. This includes detailed energy audits, carbon-reduction planning, and guidance on renewable-energy reporting frameworks. We assist data centres in documenting sustainability activities and showcase them to stakeholders and global partners.
As India accelerates into an AI-powered future, the data-centre industry stands at a defining moment. The facilities that lead will be those that secure clean, stable, and future-proof energy today, not years from now.
If you are building, expanding, or rethinking your data-centre energy strategy, Horizon Renewable Power is ready to support you with practical, high-impact solutions that deliver both performance and credibility.
Reach out to our team to begin the conversation. Call us at +91 9811121157 | 84482 95965
