On-grid, hybrid, or fully off the grid — priced from real panel, inverter, mounting, and battery costs, not a flat rate per kW. Pick your setup below and see the split by component, converted to your currency.
The same takeoff logic behind every other Estima estimator, applied to solar.
System size in kW, on-grid / hybrid / off-grid, panel tier, and mounting — rooftop or ground-mount changes the structural cost meaningfully.
Panels, inverter, mounting hardware, DC/AC cabling, labour, structural work, grid interconnection, and battery storage — each priced separately, then summed.
Priced with region-specific material and labour multipliers, then converted live into USD, PKR, INR, and six other currencies.
Three things most flat-rate calculators miss.
A 5kW rooftop system costs meaningfully more per Watt than a 200kW commercial array — permitting, design, and site mobilisation are roughly fixed costs, diluted across fewer Watts on smaller systems.
A hybrid or off-grid inverter carries battery-management electronics a plain grid-tie string inverter doesn't need — real-world pricing shows roughly 3-4x the per-unit cost, not a marginal add-on.
Grid interconnection paperwork alone ranges from a simple utility fee in the US to a full DISCO net-metering application package in Pakistan — priced separately, region by region, not folded into one average.
Two reads from Estima's own library, if you want the engineering behind the numbers above.
The standards behind DB upgrades, cable sizing, and grid interconnection — the same technical ground this calculator's inverter and interconnection line items are priced against.
Read the guide →Engineering explainers on how real systems are actually built — from structural physics to power infrastructure, written the same way this calculator is priced.
Browse Insights →Panels, inverter, battery, and grid interconnection — broken down and converted to your currency in under a minute.
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