India’s distributed solar capacity jumps to 31.5 GW, but regulatory hurdles slow wider clean energy push
India's distributed (decentralized, small-scale) solar capacity reached 31.5 GW in FY26, up 17-fold from 1.8 GW in FY18
Rooftop solar capacity grew from 1.1 GW (FY18) to 25.7 GW (FY26), driven mainly by the PM Surya Ghar Muft Bijli Yojana
Off-grid solar pump capacity under PM-KUSUM's Component B rose from 0.7 GW to 5.8 GW over the same period
A recent assessment found that despite mandated approval timelines of 15-30 days, actual rooftop solar approvals often take 30-90 days due to subsidy disbursement delays, uneven net-metering rules, and inconsistent state-level implementation
Smart metering deployment remains uneven across states, limiting real-time visibility into the distribution network as distributed generation scales up
PM Surya Ghar Muft Bijli Yojana (2024) — India's Flagship Rooftop Solar Scheme
Launched on February 15, 2024, by the Ministry of New and Renewable Energy (MNRE), PM Surya Ghar Muft Bijli Yojana aims to install rooftop solar on one crore households, providing them free electricity, by March 2027. It is the principal driver of the residential rooftop solar surge captured in the FY26 capacity data.
Key Details
- Provides Central Financial Assistance (CFA): 60% subsidy on system cost for up to 2 kW systems, and 40% additional subsidy for capacity between 2-3 kW, capped at a maximum subsidy of ₹78,000 for systems of 3 kW and above
- Beneficiary households are entitled to up to 300 units of free electricity per month
- Business models used for deployment include CAPEX (household-owned), RESCO (Renewable Energy Service Company-owned), and OPEX (pay-as-you-go) models
- Delivered through a single-window national portal with DISCOM integration for net metering applications
The scheme's uptake explains the jump in rooftop capacity from 1.1 GW to 25.7 GW, but the persistent 30-90 day approval delays despite a mandated 15-30 day timeline show implementation friction at the DISCOM/state regulatory level, not at the central scheme design level.
PM-KUSUM (2019) — Decentralized Solar for Agriculture
Pradhan Mantri Kisan Urja Suraksha evam Utthaan Mahabhiyan (PM-KUSUM) is a Ministry of New and Renewable Energy scheme to de-dieselize and solarize agricultural power supply, structured into three components targeting different points of the farm power chain.
Key Details
- Component A: 10,000 MW of decentralized, ground/stilt-mounted grid-connected solar plants, allowing farmers/cooperatives to sell power to DISCOMs
- Component B: installation of 14 lakh standalone solar agricultural pumps in off-grid or weak-grid areas, replacing diesel pumps
- Component C: solarization of 35 lakh grid-connected agricultural pumps, including feeder-level solarization for daytime irrigation power
- Overall target: 34,800 MW of added solar capacity, with Central Financial Assistance of approximately ₹34,422 crore
The FY26 figure of 5.8 GW under Component B (standalone solar pumps) reflects direct progress against PM-KUSUM's target, though the article flags farmer-side land availability constraints and weak financing access as continuing bottlenecks.
Net Metering and Distributed Generation Regulation
Net metering is the billing mechanism by which a rooftop solar consumer's exported electricity is credited against consumption, making small-scale distributed generation financially viable. In India, net metering is regulated by State Electricity Regulatory Commissions (SERCs) under the Electricity Act, 2003, leading to inconsistent rules (capacity caps, gross vs. net metering, banking provisions) across states — a structural challenge as distributed solar scales nationally.
Key Details
- The Electricity Act, 2003 empowers SERCs to frame net-metering and grid-connectivity regulations for their respective states, resulting in a fragmented regulatory landscape rather than a uniform national metering framework
- The Ministry of Power's Model Regulations and the Electricity (Rights of Consumers) Rules, 2020 nudge states toward standardized net-metering norms for systems up to a threshold capacity, but state-level adoption varies
- Smart metering — enabling two-way, real-time visibility of consumption and generation — is being rolled out under the Revamped Distribution Sector Scheme (RDSS, 2021), but deployment pace differs sharply by state
The article identifies uncertain net-metering regulations and uneven smart-metering rollout as key reasons India's technically strong distributed solar policy underperforms on ground-level grid integration and network visibility.
India's 500 GW Non-Fossil Capacity Target (COP26, 2021)
At COP26 in Glasgow (2021), India enhanced its climate ambition, pledging 500 GW of non-fossil fuel-based electricity generation capacity by 2030 — one of the "Panchamrit" targets alongside 50% cumulative electric capacity from non-fossil sources and reducing carbon intensity of GDP by 45% (from 2005 levels) by 2030, both formalized in India's updated Nationally Determined Contribution (NDC, 2022).
Key Details
- India crossed 50% non-fossil share in installed capacity by mid-2025, roughly five years ahead of the 2030 NDC deadline
- Total installed capacity crossed roughly 505 GW by late 2025, with non-fossil sources (renewables, large hydro, nuclear) exceeding half of this
- Distributed/rooftop solar is a distinct category from utility-scale solar parks, and its growth contributes to both the 500 GW non-fossil target and decentralized energy access goals
Distributed solar's 31.5 GW is a small but fast-growing slice of the broader 500 GW non-fossil capacity push; the regulatory bottlenecks flagged in the article (approval delays, financing gaps, weak grid visibility) are precisely the implementation-level risks that could slow India's ability to convert installed capacity ambition into reliably integrated distributed generation.
- India's distributed solar capacity: 31.5 GW in FY26 (up from 1.8 GW in FY18 — a 17-fold rise)
- Rooftop solar: grew from 1.1 GW (FY18) to 25.7 GW (FY26)
- Off-grid solar pumps (PM-KUSUM Component B): grew from 0.7 GW to 5.8 GW
- PM Surya Ghar Muft Bijli Yojana: launched February 15, 2024; targets 1 crore households by March 2027; max subsidy ₹78,000 for 3 kW+ systems; up to 300 free units/month
- PM-KUSUM: Component A (10,000 MW plants), Component B (14 lakh standalone pumps), Component C (35 lakh solarized grid-connected pumps); overall target 34,800 MW
- Approval timelines: regulations mandate 15-30 days; actual timelines observed at 30-90 days
- India's COP26 (2021) pledge: 500 GW non-fossil capacity by 2030; over 50% non-fossil share already achieved by mid-2025, ahead of schedule