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Delhi rooftop solar pricing
A safe, high-performing rooftop plant is a combination of modules, inverter, structure, protections, engineering, approvals and service. This guide shows what to compare before choosing a quotation.
Fact-checked 10 August 2026
Best comparison
Total scope
Compare equipment, structure, protections, approvals, warranties and after-sales responsibility line by line.
Typical Delhi yield
4–5 units/day
Official Delhi guidance says 1kWp may generate around 4–5 units on a clear sunny day; actual output varies.
Typical roof allowance
10–12 m²/kW
Official Delhi guidance uses roughly this shadow-free area; modern layouts and access requirements vary.
Capacity alone does not describe an installation. A low parapet, shared terrace, long cable run or elevated structure can change both engineering and cost.
A good proposal should state assumptions and exclusions clearly. It should not hide uncertain subsidy, structural work or DISCOM costs inside an unrealistically simple ₹/kW headline.
These broad ranges help with early budgeting only. Y2 Solar issues a final proposal after reviewing the bill, roof, structure and electrical route.
| System size | Indicative installed range | Common planning use |
|---|---|---|
| 1kW | ₹75,000–₹1,00,000 | Low-consumption home, small clear roof or an incremental system. |
| 2kW | ₹1,30,000–₹1,75,000 | Smaller residential bills where the roof and sanctioned load suit the design. |
| 3kW | ₹1,80,000–₹2,40,000 | A common residential planning size; central assistance may reach the current ₹78,000 cap. |
| 5kW | ₹2,80,000–₹3,80,000 | Larger homes, offices or daytime loads; residential central cap does not rise beyond 3kW. |
| 10kW | ₹5,20,000–₹7,50,000 | Large homes and commercial rooftops; engineering and structure can materially change cost. |
Y2 Solar process
Review the electricity connection, 12-month consumption, tariff, sanctioned load and future load changes.
Survey usable roof area, shade, access, waterproofing, parapet, structure height and cable route.
Model system capacity, generation and self-consumption against the property’s actual usage.
Issue an itemised proposal naming the modules, inverter, structure, protections, inclusions and exclusions.
Confirm subsidy and DISCOM assumptions separately from the base project price.
Freeze drawings and project responsibilities before procurement and installation begin.
A preliminary installed planning range is roughly ₹1.8–₹2.4 lakh before eligible subsidy, but the module, inverter, elevated structure, electrical work and site access can move the final price.
Treat subsidy as a separate government benefit processed through the official workflow. Your contract should clearly show the gross project price, payment terms and any amount that depends on external approval.
It requires more steel, foundations, bracing, access planning and engineering to create usable terrace space and resist wind loads safely.
Not necessarily. Generation, degradation, downtime, inverter matching, structure life, workmanship and service response all influence lifetime cost per unit.
The Delhi Solar Portal says around 4–5 units on a clear sunny day. Monthly and annual generation varies with season, temperature, shade, orientation, cleaning and downtime.
A bill and rooftop photographs can support a preliminary estimate. A final engineering-led quote should follow a survey or sufficiently detailed remote assessment of the roof and electrical route.
Built around your roof and bill