Calculate total revenue, operating cost, net benefit, simple ROI, and payback from entered offshore wind project assumptions.
Formula
const enteredInitialInvestment = Math.max(0, Number(inputs.initialInvestment || 0)); const enteredAnnualRevenue = Math.max(0, Number(inputs.annualRevenue || 0)); const enteredAnnualOperatingCost = Math.max(0, Number(inputs.operationalCosts || 0)); const enteredProjectYears = Math.max(0, Number(inputs.projectLifetime || 0)); const totalRevenueScenario = Math.round((enteredAnnualRevenue * enteredProjectYears) * 100) / 100; const totalOperatingCostScenario = Math.round((enteredAnnualOperatingCost * enteredProjectYears) * 100) / 100; const operatingSurplusOverHorizon = Math.round((totalRevenueScenario - totalOperatingCostScenario) * 100) / 100; const netBenefitAfterInitialInvestment = Math.round((operatingSurplusOverHorizon - enteredInitialInvestment) * 100) / 100; const simpleRoiPct = enteredInitialInvestment > 0 ? Math.round((netBenefitAfterInitialInvestment / enteredInitialInvestment * 100) * 100) / 100 : 0; const annualOperatingSurplus = enteredAnnualRevenue - enteredAnnualOperatingCost; const simplePaybackYears = annualOperatingSurplus > 0 ? Math.round((enteredInitialInvestment / annualOperatingSurplus) * 100) / 100 : 0; return { totalRevenueScenario, totalOperatingCostScenario, operatingSurplusOverHorizon, netBenefitAfterInitialInvestment, simpleRoiPct, simplePaybackYears };Initial Investment (in USD)
100,000
Annual Revenue (in USD)
20,000
Annual Operational Costs (in USD)
5,000
Project Lifetime (in years)
20
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With the default inputs, $20,000 of annual revenue over 20 years produces $400,000 total revenue, while $5,000 of annual operating costs produces $100,000 total operating cost. The $300,000 operating margin less a $100,000 initial investment gives $200,000 net benefit, 200% simple ROI, and 6.67-year simple payback.
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The estimate combines Initial Investment (in USD), Annual Revenue (in USD), Annual Operational Costs (in USD) and returns Total Revenue Scenario, Total Operating Cost Scenario, Operating Surplus Over Horizon.
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