☀️ Calculator Solar Panel

Real electricity price & sunshine hours · 26-year cumulative savings

📋 Your Parameters

✔ AI adjusts system recommendation & payback based on your selection

🔲 Installable area | ⚫ Simulated shading (south side)

🌿 Estimated 26-year savings
$0
USD
⏱️ Payback period
— years
📉 Bill reduction
—%
🌎 CO₂ saved
— tons
🏠 Home value increase
—
🔋 Battery benefit
—
🏆 Country suitability
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🤖 AI analysis in progress... Generating custom solar proposal based on your inputs.
0%3.0%8%
📊 26-year cumulative electricity cost & savings
💡 Green filled area = cumulative savings (without solar – with solar)

Solar Planning Library

Use the calculator first, then review practical guides for payback, roof capacity, appliances, batteries, incentives, CO2, and installer questions.

Payback path

Review 26-year savings, price escalation, incentives, self-consumption, and battery assumptions.

Read payback guide

Installer path

Prepare questions about roof condition, shading, warranty, utility rules, permits, and quotes.

Read installer questions

What the calculator estimates

  • Recommended solar system size from bill, tariff, sun hours, roof area, and load profile.
  • Payback period, 26-year savings, bill reduction, CO2 savings, and home value estimate.
  • Battery value, country suitability, roof panel visualization, and cumulative savings chart.
  • PNG/PDF report exports for personal planning notes.

Quick FAQ

Are results guaranteed?

No. Results are estimates and should be verified with local utility data and installer quotes.

Are the original tools preserved?

Yes. The homepage calculator, chart, roof canvas, appliance inputs, battery note, and exports remain.

How many articles are included?

This version includes 28 independent solar planning articles.

Read the full FAQ