20 MW solar power plant cost in Gujarat
A complete, independent cost, land, generation and return breakdown for a 20 MW ground-mount solar plant in Gujarat.
A 20 MW plant is for IPPs and large corporates needing significant green power, typically on a 66 kV connection.
Open access, group captive or competitive bid PPAs.
20 MW at a glance
The economics of a 20 MW plant, in plain words
Over its 25-year life a 20 MW plant in Gujarat generates about 332.9 lakh units a year. Under a DREBP PPA at ₹2.76/unit that is roughly ₹9.19 crore of revenue a year; on open access nearer ₹13.32 crore. After ₹1.4 crore of annual O&M, net income runs ₹7.79–11.92 crore a year, so the ₹76 crore build pays back in about 6.4–9.8 years and then earns largely profit. Claiming 40% accelerated depreciation shields roughly ₹7.6 crore of tax in year one, and undiscounted 25-year PPA revenue is around ₹229.75 crore.
20 MW cost & return breakdown
Sourced figures — not an EPC quote.
| Parameter | 20 MW — value (indicative) |
|---|---|
| Total project cost (CAPEX) | ₹76 Cr |
| Land required | 60–80 acres |
| Annual generation | 332.9 lakh units/yr |
| Annual revenue (DREBP PPA) | ₹9.19 Cr/yr |
| Annual revenue (open access) | ₹13.32 Cr/yr |
| Annual O&M cost | ₹1.4 Cr/yr |
| Net annual income | ₹7.79 – 11.92 Cr/yr |
| Payback period | 6.4 – 9.8 yrs |
| Year-1 AD tax benefit (40%) | ₹7.6 Cr |
| 25-year gross revenue (PPA) | ₹229.75 Cr |
Assumptions: 19% CUF, ground-mount EPC cost, Gujarat irradiance. Actual figures vary by site.
Key considerations at utility scale
Above 5 MW you are past the DREBP ceiling, so a 20 MW plant sells through open access, group captive or a competitively bid PPA instead of a fixed scheme tariff. It needs 60–80 acres of aggregated land, 66 kV or higher evacuation, and a firm offtake. Wheeling and banking charges, connectivity approvals and the PPA counterparty's credit drive the real return far more than headline EPC price.
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