Solar rooftops slash household power bills to zero in Kerala, Rajasthan
1. At a Glance
- PM Surya Ghar: Muft Bijli Yojana (PMSG:MBY) — the Centre's flagship rooftop solar subsidy scheme — is now showing measurable household bill impact, with Kerala and Rajasthan leading in "zero electricity bill" beneficiaries [S3].
- Nearly 1 in 4 beneficiaries nationally paid zero electricity consumption charges in a recent monthly billing cycle via net metering [S3].
- Tests both static scheme facts (subsidy structure, target, ministry) and current implementation data (state-wise performance) — a classic Prelims-cum-Mains hybrid topic.
- Relevant to GS-III (energy security, renewable energy) and GS-II (federalism in scheme implementation).
2. Why in the News
- Government data under PMSG:MBY (reported 25 June 2026) show Kerala (>50% of 3.64 lakh applicants) and Rajasthan (>42% of ~3.96 lakh applicants) recording zero monthly energy charges, the highest shares among states [S3].
- Gujarat leads in absolute numbers — ~4.18 lakh consumers with zero energy bills [S3].
- Andhra Pradesh had the lowest zero-bill percentage among the top 10 states by application volume (~10.22 lakh applications) [S3].
- Uttarakhand, Gujarat and Maharashtra rounded out the top five states by share of zero-bill consumers [S3].
3. Background & Evolution
- Union Cabinet approved PM-Surya Ghar: Muft Bijli Yojana with a total outlay of ₹75,021 crore, targeting rooftop solar installation in one crore households [S1].
- Launched by the Prime Minister in February 2024 [S2].
- Goal: supply solar power to 1 crore households by March 2027 [S1].
- Scheme "turned one" in Feb 2025, and crossed 10 lakh installed systems by 10 March 2025 [S2].
- As of 9 December 2025, ~19.45 lakh rooftop solar systems installed, benefitting ~24.35 lakh households [S1].
- Further progress: PIB reports the scheme delivering zero electricity bills to over 7.7 lakh households (subsequent milestone release) [S1].
- Builds on earlier, smaller-scale rooftop solar subsidy programmes run by MNRE before consolidation into this unified, DBT-linked national scheme.
4. Core Static Facts
| Item | Detail |
|---|---|
| Scheme name | PM Surya Ghar: Muft Bijli Yojana (PMSG:MBY) |
| Nodal Ministry | Ministry of New and Renewable Energy (MNRE) |
| Approved by | Union Cabinet, February 2024 [S1] |
| Total outlay | ₹75,021 crore [S1] |
| Target | 1 crore households with rooftop solar by March 2027 [S1] |
| Free electricity slab | Up to 300 units/month [S1] |
| Central Financial Assistance (CFA) | 60% of system cost up to 2 kW; 40% of additional cost for 2–3 kW; capped at 3 kW [S2] |
| Indicative subsidy | ₹30,000 (1 kW), ₹60,000 (2 kW), ₹78,000 (3 kW or more) [S2] |
| Application mode | National Portal (single-window; vendor selection, benefits calculator, ratings) [S1] |
| Key mechanism | Net metering — solar generation offset against grid consumption [S3] |
| Progress (as of 9 Dec 2025) | ~19.45 lakh systems installed; ~24.35 lakh households benefited [S1] |
| Top states by zero-bill share (June 2026 data) | Kerala (>50%), Rajasthan (>42%), Uttarakhand, Gujarat, Maharashtra [S3] |
| Top state by absolute zero-bill consumers | Gujarat (~4.18 lakh) [S3] |
5. Multi-Dimensional Analysis
Economic - Direct reduction in household electricity expenditure — potential zero monthly bills for high-solar-offset consumers [S3]. - Large capital outlay (₹75,021 crore) represents significant fiscal commitment to demand-side energy transition [S1]. - Creates downstream employment in solar installation, vendor ecosystems, and manufacturing (rooftop panel supply chain).
Environmental - Distributed rooftop solar reduces dependence on coal-based grid power, aiding India's renewable energy and climate commitments. - Net metering incentivizes efficient household consumption alongside generation.
Social/Equity - Scheme narrows urban-rural and regional disparities in energy cost burden, though uptake skewed toward states with better DISCOM readiness (Kerala, Rajasthan, Gujarat) [S3]. - Andhra Pradesh's lag despite high application volume flags implementation/access gaps [S3].
Administrative/Federalism - Success is contingent on state DISCOM cooperation for net metering approvals and grid interconnection — explains inter-state variance in zero-bill outcomes [S3]. - Scheme relies on a centralized National Portal but execution is state/DISCOM-dependent, testing cooperative federalism in energy delivery [S1].
Scientific/Technological - Net metering technology is the operational backbone converting solar generation into direct bill relief [S3]. - System sizing (1–3 kW CFA slabs) reflects standard household consumption patterns targeted by MNRE [S2].
6. Recent Developments (last 12–18 months)
- 10 March 2025: Scheme crosses 10 lakh installed rooftop solar systems milestone [S2].
- February 2025: PMSG:MBY completes one year since launch ("Turns One") [S2].
- 9 December 2025 (data point): ~19.45 lakh systems installed, ~24.35 lakh households benefited cumulatively [S1].
- 25 June 2026: PIB/news data show Kerala and Rajasthan leading in zero-electricity-bill beneficiary share; nearly 1 in 4 beneficiaries nationally paid zero charges in a recent billing month [S3].
- Milestone release noting scheme delivering zero electricity bills to over 7.7 lakh households [S1].
7. Prelims Hooks
- PM Surya Ghar: Muft Bijli Yojana was approved by the Union Cabinet in February 2024 with an outlay of ₹75,021 crore [S1].
- Target: rooftop solar for 1 crore households by March 2027 [S1].
- Free electricity benefit capped at 300 units/month [S1].
- Nodal ministry: Ministry of New and Renewable Energy (MNRE).
- CFA structure: 60% for up to 2 kW, 40% of additional cost for 2–3 kW, capped at 3 kW [S2].
- Indicative subsidy amounts: ₹30,000 (1 kW) / ₹60,000 (2 kW) / ₹78,000 (3 kW+) [S2].
- As of 9 December 2025, cumulative installations stood at ~19.45 lakh systems, benefiting ~24.35 lakh households [S1].
- Kerala recorded the highest share (>50%) of zero-bill applicants among major states (out of 3.64 lakh applications) [S3].
- Rajasthan ranked second with >42% zero-bill share (out of ~3.96 lakh applications) [S3].
- Gujarat leads in absolute number of zero-bill consumers (~4.18 lakh) [S3].
- Andhra Pradesh, despite ~10.22 lakh applications, had the lowest zero-bill percentage among the top 10 states by application volume [S3].
- Mechanism enabling zero bills: net metering, offsetting solar generation against grid consumption [S3].
- Nationally, nearly 1 in 4 beneficiaries paid zero electricity charges in a recent monthly cycle [S3].
- Applications are processed via a National Portal offering vendor ratings and a benefits calculator [S1].
8. Mains Relevance
- GS-III: Infrastructure — Energy; Conservation, environmental pollution and degradation; Achievements of Indians in science & technology.
- GS-II: Government policies and interventions for development in various sectors; issues arising from their design and implementation; Centre-State relations.
- Possible question stems: 1. "Discuss the significance of the PM Surya Ghar: Muft Bijli Yojana in India's renewable energy transition. What implementation challenges account for inter-state variation in outcomes?" (GS-III) 2. "Rooftop solar adoption under PMSG:MBY shows sharp regional disparities despite a uniform central subsidy structure. Analyze the administrative and federal factors responsible." (GS-II/GS-III) 3. "Examine how net metering as a policy instrument can accelerate India's distributed renewable energy capacity while addressing DISCOM financial concerns." (GS-III)
9. Related Topics to Study Next
- National Solar Mission / Jawaharlal Nehru National Solar Mission — historical predecessor to India's solar push.
- India's renewable energy targets (500 GW non-fossil capacity by 2030) — broader policy framework PMSG:MBY feeds into.
- Net metering vs gross metering policies — technical/regulatory mechanism central to the scheme's bill-reduction outcomes.
- DISCOM financial health and UDAY scheme — explains implementation bottlenecks and state-wise variance.
- International Solar Alliance (ISA) — India's global solar diplomacy, contextual link to domestic solar push.
- PM-KUSUM Scheme — related solar scheme for agricultural/irrigation use, often confused with PMSG:MBY.
- Cooperative federalism in centrally sponsored schemes — governance dimension relevant to state-wise implementation gaps.
10. Common Errors / Trap Areas
- Confusing PM Surya Ghar: Muft Bijli Yojana (rooftop solar for households) with PM-KUSUM (solar pumps/farmer-focused) — different targets and ministries scope.
- Assuming the nodal ministry is Ministry of Power — it is actually MNRE.
- Misremembering the outlay figure (₹75,021 crore) or confusing it with total scheme budget vs subsidy disbursed so far.
- Assuming "zero electricity bill" applies uniformly to all beneficiaries — it is a subset (nearly 1 in 4 nationally) dependent on system size, consumption, and net metering approval, not a universal scheme guarantee.
- Confusing the launch year (2024) with the Cabinet approval date or the PM's initial announcement, which may be reported at slightly different points — always anchor to Feb 2024 Cabinet approval.
11. Sources
- [S1] Cabinet approves PM-Surya Ghar: Muft Bijli Yojana for installing rooftop solar in One Crore households / related PIB releases — https://www.pib.gov.in/PressReleaseIframePage.aspx?PRID=2010133®=3&lang=2 — (tier: 1)
- [S2] PM Surya Ghar: Muft Bijli Yojana Turns One — https://www.pib.gov.in/PressReleaseIframePage.aspx?PRID=2102149 — (tier: 1)
- [S3] Solar rooftops slash household power bills to zero in Kerala, Rajasthan, The Hindu BusinessLine, 25 June 2026 — https://www.thehindu.com/todays-paper/2026-06-25/th_international/articleGE7G5LEDD-15088438.ece — (tier: 4)