Commercial RESCO / OPEX Solar: Zero Capital Investment Power Purchase Agreements

Commercial RESCO / OPEX Solar:Zero Capital Investment Power Purchase Agreements

Reviewed: August 2026

    

The RESCO (Renewable Energy Service Company) or OPEX model allows hospitals, private colleges, retail complexes, and commercial property owners to go solar with zero upfront capital expenditure. Chirayu Power and institutional clean energy funds finance, build, insure, and maintain the rooftop solar plant on your building. You simply buy the clean power generated at a guaranteed, pre-agreed tariff 20% to 35% lower than your utility commercial rate under a 15-to-25-year Power Purchase Agreement (PPA).

₹0 CAPEX
Zero Capital Expenditure
20-35%
Savings Below Grid Tariff
100% Free
Maintenance Borne by Developer
15-25 Yrs
Predictable Tariff Protection
Day 1
Immediate Cash Flow Savings

    

Commercial RESCO solar plant on hospital roof
ZERO CAPITAL PPA

Zero upfront investment with guaranteed per-unit savings.

The solar developer finances, installs, operates, and maintains the rooftop solar plant. Your business purchases generated solar units at an agreed rate (e.g. ₹6.50 - ₹7.50/unit) against standard commercial grid tariffs (₹12 - ₹14/unit).

BEST SUITED FOR

Hospitals, colleges, and commercial complexes preferring to deploy capital into core medical equipment or real estate expansion.

01 — ZERO DEBT

No loans, no balance-sheet debt, no capital outlay

02 — FREE O&M

Developer handles 100% of panel cleaning, monitoring, and repairs

03 — DAY-ONE SAVINGS

Immediate operating expense reduction on next electricity bill

     

RESCO shifts financial, operational, and technology obsolescence risks entirely to the clean energy developer.

01CORE CAPITAL

Preserve Working Capital

Direct your cash reserves toward revenue-generating commercial assets like medical diagnostic scanners or facility upgrades.

02ZERO DOWNTIME

Guaranteed Generation Performance

Because developer revenues depend directly on metered solar generation, our engineering teams ensure 99%+ plant uptime.

03BUYOUT OPTION

Pre-Defined Asset Buyout Tables

Standard commercial PPA contracts include transparent buyout options at Year 5, 10, and 15 at pre-agreed depreciated prices.

MetricCommercial RESCO / OPEXDirect CAPEX OwnershipStandard Utility Commercial Supply
Upfront Capital Cost₹0 (Zero capital expenditure)Full plant cost or loan downpayment₹0 (Pay monthly bills)
Operation & MaintenanceDeveloper bears 100% of costsManaged by client / EPC contractUtility grid responsible
Electricity Cost Impact20% - 35% discount below tariffFree power after 3-4 year paybackHigh escalating commercial tariffs
Tax Depreciation BenefitClaimed by solar developerClaimed 100% by your businessNone available
Asset Transfer OptionPredefined buyout schedulesOwned 100% from day oneNo asset ownership

Frequently Asked Questions

In a solar rooftop system, solar panels are installed on the roof of any residential, commercial, institutional, or industrial building. This can be of three primary types: (i) Grid Connected Solar Rooftop System (without battery storage), (ii) Solar Rooftop System with battery storage facility (Off-Grid), and (iii) Hybrid Solar Rooftop System (Grid Connected along with Battery Storage backup).
Showing 1–6 of 58 questions
…
Have more technical or commercial questions?Browse Complete FAQ Knowledge Center