Solar EPC CAPEX & ROI Calculator — EP GROUP
Professional Solar Analysis Tool

Model your solar farm's entire financial story

From CAPEX breakdown and energy yield to IRR, NPV, LCOE, and debt amortisation — all in one investor-grade calculator. Built for EPC contractors, developers, and financiers.

15+
Financial KPIs
70+
Countries Supported
25yr
Project Horizon
Solar EPC Designer — Overview
Total EPC CAPEX
$6.25M
$0.833/Wac · $625K/MWp
Year-1 Energy
18,250 MWh
DC CF: 19.2% · AC CF: 25.3%
LCOE
$42.10/MWh
Lifetime avg cost
Equity IRR
11.4%
Levered return
25-Year Cumulative Cashflow
CAPEX Breakdown
🔒 Full access requires registration —  Register free →

Everything an investor needs to say yes

A complete financial model for utility-scale and C&I solar projects — every metric you need to evaluate, present, and finance a solar investment.

Temperature-Corrected Energy Yield
Accurate energy production estimates accounting for panel degradation, shading, soiling, temperature, and system losses. P50 and P90 outputs for lender review.
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Full CAPEX Breakdown
13 line items covering every cost from modules and inverters to civil works, grid connection, land, and contingency — with automatic import tariff calculation by country.
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IRR, NPV & LCOE
Equity IRR, Project IRR, NPV, LCOE, and payback period — all the numbers your investors and lenders need to make a decision.
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Project Finance & DSCR
Full debt repayment schedule, annual debt service, minimum DSCR, interest during construction, loan-to-value ratio, and equity/debt split — everything a lender needs.
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70+ Country Data
Pre-loaded solar resource data and cost benchmarks for 70+ countries including UAE, Saudi Arabia, India, EU, US, and Africa. Country-specific import duties applied automatically.
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Scenario & Risk Analysis
See how your returns change under different PPA prices, solar resource levels, cost overruns, and O&M assumptions — with a full scenario comparison table.
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3D Site Visualisation
Interactive 3D visualisation of your solar farm that updates live with your project configuration. Included in the PDF export.
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Investor PDF Export
One-click A4 PDF report with all KPIs, charts, 3D site image, sensitivity analysis, annual schedule, and branded header — ready to send to financiers.
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Secure & Reliable
Your data and project details stay safe. Access is controlled — only registered users can run calculations, keeping your analysis private and confidential.

Try the model — right here

Adjust the sliders to see how project parameters affect the key financial metrics in real time. The full calculator has 60+ inputs.

☀ Quick Configuration

Plant Size (MWp) 10
Peak Sun Hours/day 6.0
PPA Price ($/MWh) $22
Gearing (Debt %) 70%
WACC (%) 7.0%
CAPEX $/MWp (000s) 578
Total EPC CAPEX
Year-1 Energy
MWh — after losses
LCOE
$/MWh lifetime avg
Year-1 Revenue
— avg/day
Equity IRR (est.)
levered return
NPV (est.)
at WACC
CAPEX Breakdown
Want the full picture? Register for free to access the complete calculator — with 60+ inputs, full financial modelling, scenario analysis, 3D site visualisation, and one-click PDF export.

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Four steps to a bankable analysis

From project parameters to investor-ready PDF in minutes.

01
Configure the Project
Enter site location, plant size, PSH, tracker type, module technology, and all 13 CAPEX line items with regional cost adjustments.
02
Set Financing Structure
Define PPA price, escalation, debt/equity split, loan terms, WACC, tax rate, and depreciation. Apply quick presets for standard markets.
03
Run the Model
Click Calculate. Get IRR, NPV, LCOE, DSCR, sensitivity analysis, and a full 25-year cashflow schedule — all in seconds.
04
Export the Report
One-click A4 PDF with branded header, all KPIs, charts, 3D site visualization, risk matrix, and annual schedule — ready for investors.

Ready to model your solar project?

Create a free account to access the full Solar EPC CAPEX & ROI Calculator — including all 15 financial KPIs, sensitivity analysis, 3D visualisation, and PDF export.

Free to register No credit card required Instant access