India’s digital infrastructure boom — Making sustainability and environmental governance central to growth

India’s rise in the 21st century is not a story being written in one register. It is a symphony — multiple movements, each ambitious on its own terms, each amplifying the others.

As the world’s fourth-largest economy and second-largest telecommunications market with over 1.2 billion connections, India’s standing today reflects the deliberate, compounding effect of the last decade of nation-building at scale. In 2025, that trajectory reached a new inflection point — one that positions India not merely as a participant in the global digital and green economy, but as one of its defining architects.

The numbers speak with rare clarity. India now ranks fourth globally in total renewable energy installed capacity and third in solar energy capacity. By June 2025, India crossed 50 percent of its electricity capacity from non-fossil sources — five years ahead of the COP-26 target — with non-fossil capacity reaching 262.74 GW and a record 44.51 GW added during the year alone. On the digital front, India’s telecom infrastructure rests on 8.46 lakh towers and 31.72 lakh Base Transceiver Stations, with 5G now covering 99.9 percent of districts. Optical fibre has more than doubled — from 19.35 lakh route kilometres in 2019 to 42.36 lakh today — and broadband connectivity has reached 2,14,843 Gram Panchayats, carrying the promise of the digital economy to India’s most remote corners. India’s digital economy already contributes 10 percent of GDP, projected to reach 20 percent shortly, with UPI alone processing 228 billion transactions in 2025.

What makes 2025 genuinely historic is not any single statistic. It is the convergence. India’s green energy revolution and its digital infrastructure boom are no longer parallel stories — they are becoming a single, integrated national agenda. Digital infrastructure is energising sustainability. Sustainability is giving digital infrastructure its long-term foundation. And at their intersection lies the most powerful lever India possesses: the ability to push its economic growth, govern its environment, and honour its global commitments — simultaneously and by design.

Sustainability and environmental governance are not constraints on growth. They are its enduring core. This article makes that case — through what India’s digital infrastructure is already enabling, how the infrastructure itself is getting greener, and why the policy and governance architecture being built today will determine the quality of everything that follows.

Digital infrastructure is now environmental infrastructure
Digital infrastructure and environmental governance are not competing priorities. They are, in the most meaningful sense, the same national project — pursued through different means toward the same end.

Digital infrastructure has become one of the most powerful instruments of environmental governance available to the state. The Continuous Ambient Air Quality Monitoring network, connecting hundreds of real-time stations nationwide, enables a quality of environmental enforcement that was simply not possible with manual sampling and periodic reporting. In July 2025, Chennai deployed 75 IoT-based air quality sensors across all 15 municipal zones — feeding live PM2.5, NO₂ and SO₂ data into command systems that can trigger immediate enforcement responses. Delhi’s Graded Response Action Plan now activates pre-emptively, using digital forecasting to initiate Stage IV restrictions before pollution reaches extreme thresholds rather than after.

Forest management has undergone a similar transformation. Early detection systems using MODIS and VIIRS satellite sensors identified over 2,03,544 fire incidents for rapid response, while biennial forest cover mapping now operates at 1-hectare resolution — a level of precision that turns policy into practice. The Forest Survey of India’s assessments, once laborious and slow, now provide near real-time intelligence for conservation governance.

Beyond monitoring, digital infrastructure is reshaping how India manages its urban environmental systems. Smart city Integrated Command and Control Centres, now operational across all 100 Smart Cities, integrate waste management, water distribution, traffic, and air quality into unified governance platforms. In Indore, AI-optimised waste collection routes have reduced both fuel consumption and missed collections simultaneously. Chennai’s water grid uses digital monitoring to identify leakage and optimise distribution — treating water scarcity as an efficiency problem, not just a supply problem.

BharatNet’s expansion into 2,14,843 Gram Panchayats carries a less-discussed environmental dividend: real-time weather data, soil health advisory, and crop management guidance delivered to farmers enables precision agriculture that reduces groundwater extraction, lowers fertiliser runoff, and builds climate resilience at the base of the rural economy.

This is not incidental. It is the architecture of environmental governance for a digital age — and it runs on the very towers, fibre, and edge compute nodes that constitute India’s digital infrastructure ecosystem.

The infrastructure itself is getting greener
Recognising digital infrastructure as an environmental asset requires that the infrastructure itself be held to the same standard. Here, too, the momentum is real and accelerating.

The transition from diesel-powered towers is among the sector’s most tangible sustainability achievements. Over 2.23 lakh sites are now diesel-free — eliminating 550 million litres of annual diesel consumption and preventing 1.4 million tonnes of CO2 emissions every year. Solar photovoltaic hybrid systems, now economically viable across diverse Indian geographies, reduce tower-level emissions by 55-58 percent.

Battery Energy Storage Systems have emerged as the enabling technology that makes renewable-powered, always-on digital infrastructure credible. In 2025, the Ministry of Power launched a second Viability Gap Funding tranche supporting 30 GWh capacity with a ₹5,400 crore allocation. BESS tariffs have fallen 80 percent since 2022 — from ₹1.08 million per MW per month to ₹221,000 — while investment payback periods have compressed to four to six years. Data centres now deploy lithium iron phosphate battery banks ranging from 50 MWh to 200 MWh, enabling 24/7 renewable-backed operations.

The private sector is also making commitments of meaningful scale. Google’s USD 6 billion Visakhapatnam facility earmarks USD 2 billion specifically for renewable energy infrastructure. Reliance’s upcoming Jamnagar data centre is designed to run entirely on renewables. The CtrlS Mumbai facility — the world’s first LEED platinum-certified data centre — has achieved 18.5 GWh in annual energy savings while recycling nearly 10 million litres of water yearly.

India currently has more than 120 data centres with 1,280 MW of operational capacity. That figure is projected to reach 7-9 GW by 2032. The trajectory of this growth makes early alignment with sustainability principles not merely desirable but strategically essential — for long-term energy cost stability, for investor confidence, and for India’s climate credibility globally.

A policy architecture built for this moment
What elevates 2025 beyond a year of good numbers is the depth and coherence of the policy architecture India has constructed — one that treats digital growth and environmental governance not as separate agendas, but as a single, integrated national ambition.

The foundations are broad and deliberate. India’s National Green Hydrogen Mission, backed by an outlay of ₹19,744 crore through 2029-30, targets production of at least 5 million metric tonnes annually by 2030 — enough to avoid nearly 50 MMTPA of CO₂ emissions and create over 6 lakh clean energy jobs. This is not peripheral to digital infrastructure — green hydrogen is emerging as a clean energy source for data centres and industrial facilities in hard-to-abate sectors, precisely where the digital economy’s energy intensity is highest.

The PM Surya Ghar Muft Bijli Yojana has installed rooftop solar systems in over 26 lakh households, delivering zero electricity bills to many through up to 300 free units monthly. With a total outlay of ₹75,021 crore through FY 2026-27, it received ₹22,000 crore in the Union Budget 2026-27 (up from ₹20,000 crore in 2025-26), reducing household energy costs and expanding clean distributed generation in urban and peri-urban India. This distributed clean energy layer is the same grid that digital edge infrastructure — the small compute nodes and tower sites powering 5G in residential corridors — will increasingly draw from.

India’s circular economy policy framework has reached genuine depth. Extended Producer Responsibility (EPR) regulations now cover plastics, e-waste, batteries, tyres, and end-of-life vehicles — a comprehensive lifecycle accountability structure that directly addresses the waste streams generated by the digital infrastructure sector’s own hardware cycles. The Green Credit Programme provides tradable incentives for circular practices, creating market mechanisms for sustainability performance. A dedicated ₹1,500 crore scheme under the National Critical Mineral Mission (NCMM) for critical mineral recycling from battery scrap and e-waste – approved in 2025 – recognises that the materials enabling the green and digital economy must themselves be managed in a circular system. India’s e-waste generation has nearly doubled since 2017-18 (from 7.08 to 13.97 lakh tonnes by 2024-25), with an 11.4 percent year-over-year increase from FY 2023-24 (12.54 lakh tonnes) to FY 2024-25 (13.97 lakh tonnes), per Central Pollution Control Board (CPCB) data presented in Parliament.

For digital infrastructure specifically, the policy environment is becoming progressively more enabling. The Green Energy Open Access Rules 2022, with amendments in 2023, enable direct renewable procurement at ₹3-4 per unit versus grid tariffs of ₹7-10, making clean energy economically compelling rather than aspirational. TRAI’s infrastructure sharing framework, which projects 16-35 percent cost reductions while cutting carbon footprints, reflects a governance philosophy that optimises for both efficiency and sustainability simultaneously.

The Union Budget 2026-27 sustained ₹24,000 crore funding for the Department of Atomic Energy’s Nuclear Energy Mission – building on the prior ₹20,000 crore allocation and targeting five small modular reactors (SMRs) by 2033—to deliver sustainable, zero-emission baseload power for energy-intensive digital infrastructure. Taken together, this policy architecture does something that is genuinely rare: it creates aligned incentives across energy generation, clean mobility, circular economy, digital infrastructure, and environmental accountability — not as separate departmental programmes, but as interlocking pillars of a unified national sustainability mission.

India is not assembling policies. It is building a system.

The governance imperative — Building what lasts
The ambition India has demonstrated in building its digital and green infrastructure is now matched by the governance architecture being put in place to sustain it. While significant progress has been made, the scale and pace of infrastructure expansion demand continuous strengthening of these frameworks.

Three priorities are central to this work. First, deepening inter-ministerial coordination between the Ministry of Electronics and Information Technology (MeitY), the Department of Telecommunications (DoT), and the Ministry of Environment, Forest and Climate Change (MoEFCC) – ensuring that digital infrastructure’s environmental performance becomes a shared, accountable national outcome rather than a siloed responsibility.

Second, developing standardised environmental disclosure norms for the sector — covering energy consumption, renewable energy percentage, carbon emissions, water usage, and e-waste management — that make performance transparent, comparable, and continuously improvable. Clear disclosure standards give investors confidence, give regulators visibility, and give industry a level playing field on which to compete on sustainability performance.

Third, building the technical capacity of State Pollution Control Boards to engage with digital infrastructure meaningfully. As the sector scales — more towers, more data centres, more edge nodes — state-level institutions need the tools and expertise to be effective partners in governance, not passive observers of growth.

Each of these is a practical, achievable step. Together, they create the conditions for sustainable digital infrastructure to become not just an aspiration but a verified, measurable national achievement.

The larger opportunity — And the responsibility
India’s progress in integrating digital infrastructure with environmental governance has been significant. The policy architecture is in place, technology pathways are proven, and industry commitment is growing. Yet the true measure of success will be in sustained, verifiable transformation across the entire ecosystem — not just in policies drafted or pilots launched.

The question now is not whether India can build world-class digital infrastructure — that capability has been demonstrated. The question is whether it will be built with the environmental intelligence and governance foresight that makes it sustainable for decades, not just deployable in years. Can every tower, data centre, and fibre kilometre advance both connectivity and climate responsibility? Can governance frameworks keep pace with deployment?

The progress achieved thus far proves it is possible. When India commits to an objective with structural intent — whether renewable energy, digital connectivity, or environmental governance — it delivers through deliberate policy architecture and institutional coordination.

This infrastructure is foundational to how India functions. Its alignment with environmental governance is not a preference — it is a defining characteristic of responsible growth.

The decade ahead will be shaped not just by what India builds, but by the environmental accountability embedded in how it is built. The foundations are strong. The direction is clear. What remains is execution with integrity, transparency, and unwavering commitment to sustainability principles.

India has the vision, the policy architecture, and the institutional capacity. The opportunity is ours to seize. So is the responsibility.

“The future of India’s digital economy will be judged not by how fast we connect, but by how sustainably we build the infrastructure that connects us.”

The author is former Secretary, Ministry of Home Affairs, Government of India