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Rooftop Solar
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System Packages
Three deployment models. One expert team.

Whether you want zero-upfront via PPA, full CAPEX ownership, or SunstoX crowd-funded model — we design and deliver the right structure for your site.

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Residential
Home Solar Starter — 1–2 KWp
Capacity
1–2 KWp
Cost (after subsidy)
₹60K – 1.28L
Generation / yr
1,460–2,920 kWh
Monthly saving
₹1,095–2,190
PM Surya Ghar
₹30K–60K
Payback
3.5–4 yrs
ALMM-listed TOPCon panels (Tier 1)
Grid-tied inverter with anti-islanding
DISCOM net metering filing included
PM Surya Ghar portal application handled
Get Quote
🏠
Residential
Home Solar Plus — 5–10 KWp
Capacity
5–10 KWp
Cost (after subsidy)
₹2.8L – 5.6L
Generation / yr
7,300–14,600 kWh
Monthly saving
₹4,500–9,000
PM Surya Ghar
₹78,000
Payback
3.5–5 yrs
String or micro-inverter options
Net metering with annual surplus settlement
Remote monitoring dashboard included
Battery storage integration available
Get Quote
Policy & Subsidy Landscape 2026
What the government gives you — and how we get it for you

India's rooftop solar policy stack has never been more favourable. SunstoX manages every regulatory touchpoint so you just sign the installation order.

🏛️Active Scheme
PM Surya Ghar: Muft Bijli Yojana
Launched February 2024 by MNRE. Largest residential rooftop solar scheme in India — ₹75,000 Cr budget, targeting 1 crore households by FY 2027. Subsidy paid as Direct Benefit Transfer to Aadhaar-linked bank account within 30–45 days of DISCOM commissioning.
₹30,000/kW for first 2 kW; ₹18,000 for 3rd kW — max ₹78,000
Only residential; ALMM-listed modules and MNRE-empanelled installer mandatory
Over 3.35 crore systems commissioned as of June 2026; ₹14,771 Cr disbursed
Application via pmsuryaghar.gov.in with DISCOM consumer number
All States
Net Metering — Export Your Surplus
Under CEA Connectivity Regulations 2019 and state SERC orders, grid-connected solar installations can export surplus generation and receive credit at the APPC or retail rate. Haryana (HERC) settles net metering annually on 31 March.
Residential: up to 10 KWp or sanctioned load (HERC/DHBVN)
Commercial / LT: net metering up to 100 KW; above 100 KW → Green Open Access
Export surplus carried forward up to 12 months in most states
SunstoX files DISCOM application, coordinates check-meter installation
💸Businesses
Accelerated Depreciation + GST Benefit
Commercial and industrial owners can claim 40% accelerated depreciation on solar plant assets in Year 1, significantly reducing effective payback. GST on solar modules and cells reduced from 12% to 5% in September 2025 — saving ₹20–25L per MW.
40% depreciation in Year 1 under Income Tax Act Section 32
5% GST on ALMM solar modules (September 2025 revision)
Input Tax Credit claimable on solar equipment for GST-registered businesses
Effective cost reduction of 25–30% in first three years when tax benefits included
🔌HT Consumers
Green Open Access (above 100 KW)
HT commercial and industrial consumers with loads above 100 KW can procure solar power under the Green Open Access framework. Surplus generation compensated at APPC (~₹3.5–4.0/unit). Gujarat, UP, Rajasthan and Maharashtra have most favourable frameworks in 2026.
Available under Electricity (Promoting Renewable Energy) Rules 2022
Cross-subsidy surcharge waived for green energy open access in most states
Group captive structure: multiple consumers share one generating unit
ISTS or state grid wheeling charges apply — factored into project economics
System Size
Central Subsidy (CFA)
Net Cost (Haryana avg.)
1 KWp ₹30,000 ~₹38,000 after subsidy
2 KWp ₹60,000 ~₹76,000 after subsidy
3 KWp ₹78,000 (max) ~₹1.27 L after subsidy
4–10 KWp ₹78,000 (capped) ₹1.9L–₹5.1L after subsidy
Commercial (any) No central subsidy 40% AD + 5% GST benefit
100 KWp+ C&I Green OA framework 25–45% vs grid tariff
Haryana (HERC FY 2026-27): Domestic top-slab tariff ₹7.10/unit. C&I: ₹8.5–11/unit depending on category. DHBVN and UHBVN process net metering applications; annual surplus settlement on 31 March. No Haryana state subsidy in 2026 — only PM Surya Ghar central CFA for residential. SunstoX handles DISCOM filing in Gurugram, Faridabad, and adjacent zones. All figures indicative — site-specific assessment required.
🛡️ Technical Compliance — What the Law Requires
✓ ALMM-listed solar modules (mandatory from June 2026)
✓ BIS-certified inverters with anti-islanding protection (IEC 62116)
✓ IEC 61215 / IEC 61730 panel certification
✓ CEA Connectivity Regulations 2019 compliance
✓ State SERC net metering regulations (HERC for Haryana)
✓ Electrical Inspector (SEI) clearance for systems above 10 KW
Installation Process
From enquiry to grid-connected solar in 7–10 weeks

SunstoX manages every step from feasibility to DISCOM commissioning and PM Surya Ghar subsidy credit. You receive one point of contact throughout.

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Site Survey & Design

Roof area measurement, shadow analysis, structural load check, energy audit from 12-month bills

Week 1
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DISCOM Application

Net metering feasibility, technical sanction letter, check-meter installation approval from DHBVN / UHBVN

Week 2–3
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PM Surya Ghar Portal

National portal registration, vendor selection, subsidy pre-approval (residential only)

Week 2–4
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EPC Installation

Panel mounting, inverter wiring, earthing, protection equipment, internal commissioning test

Week 5–7

DISCOM Inspection & CoD

DISCOM engineer inspects and issues commissioning certificate. Bi-directional meter installed. System goes live.

Week 7–9
💰

Subsidy Credit

PM Surya Ghar DBT credited to Aadhaar-linked account within 30–45 days. SunstoX tracks and escalates if delayed.

Week 10–12
Savings Calculator
Your rooftop solar economics in 30 seconds

Enter your monthly bill and available roof area. We'll estimate system size, savings, subsidy, and payback.

Your Site Details
100 sq.ft1,000 sq.ft15,000 sq.ft
Estimated System & Savings
Recommended System Size
11.2 KWp
Installed Cost
₹5.6 L
Subsidy (residential)
N/A (C&I)
Annual Bill Saving
₹8,050
Payback Period
3.8 years
25-Year Savings
₹2.45 Cr
CO₂ Avoided/yr
8.4 T
Estimates based on 1,460 kWh/kWp/yr (Haryana), ₹45,000/kW installed cost (C&I), HERC tariff. Actual figures depend on site survey. Subsidy for residential only.
Why SunstoX EPC
The only EPC that also crowdfunds your solar

SunstoX is uniquely positioned as both an EPC contractor and a crowd-investment platform — giving you options no pure EPC can offer.

🏗️

Turnkey EPC

Design, procurement (ALMM modules, BIS inverters), civil work, electrical commissioning, and DISCOM coordination — single-vendor accountability from Day 1 to energisation.

🔗

Crowd-Funded PPA (Schools)

Schools get zero-capex solar. Parents invest and earn 10.66% IRR. SunstoX holds the PPA and manages the full investment lifecycle — no other EPC offers this.

📋

PM Surya Ghar End-to-End

We register your application, coordinate the DISCOM inspection, and track your DBT payment status — escalating to the nodal agency if credit is delayed beyond 45 days.

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SCADA & Live Monitoring

Every system above 10 KWp includes a SCADA monitoring feed. View your live kWh generation, CO₂ offset, and generation vs forecast from your investor or owner dashboard.

🛡️

Comprehensive Insurance

Fire, storm, lightning, equipment breakdown, and theft cover at 100% replacement value. Policy arranged at project level — you never interact with the insurer directly.

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Annual O&M Contract

Scheduled cleaning, inverter health checks, junction box inspection, and performance reporting every quarter. Available as 3-year or 5-year O&M packages post-commissioning.

Free Site Assessment
Request a Rooftop Solar Assessment

A SunstoX solar engineer will contact you within 24 hours to arrange a free site visit, energy audit, and detailed savings proposal.

Free of charge — no obligation, no sales pressure
Site visit + satellite analysis — shadow, tilt, and load assessment
Subsidy eligibility check — PM Surya Ghar, state incentives, DISCOM requirements
Proposal in 48 hours — system design, cost, payback, and ROI sheet
PPA / CAPEX / Crowd-fund — we recommend the best model for your situation
Tell us about your site
✅ Enquiry submitted! A SunstoX engineer will contact you within 24 hours.
By submitting, you agree to be contacted by SunstoX (Yukti Green Energy Pvt. Ltd.) regarding rooftop solar. We never share your data with third parties.
✓ SEBI Phase 1 Compliant  |  Insurance: ₹3/NCD unit/yr  |  Platform Fee: 20% of gross  |  NCD Units non-transferable in Phase 1  |  Full Disclosure →