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Balcony Solar ROI in Raleigh, IL (South)

Free 800W payback calculator with PVGIS solar data for Raleigh

Published January 1, 2025 · Last updated: July 3, 2026

Calculate your 800W balcony solar payback in Raleigh with south-facing panels. Our calculator uses official PVGIS irradiance data for Raleigh, Illinois to estimate annual production, electricity savings, and return on investment based on your local sun exposure and utility rates.

Assumptions: 70% self-consumption, $0.13/kWh average rate, ~$1,500 system cost (before 30% federal ITC), 14% system losses. Click Calculate below for your personalized results.

In Raleigh, Illinois, latitude 38.0°N yields roughly 1300 kWh/kWp/year from PVGIS data. With south-facing panels, a realistic 800W balcony system produces about 894 kWh/year before the 30% federal tax credit.

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West and east facing output is available in the main calculator — no separate SEO pages.

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Current: Raleigh (173 cities available)
Balcony: 0-30°, Roof: 30-40°
W
Typical: 600-800W for balcony systems
$/kWh
$
Typical: $1,000-$2,000 for 800W
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Data from PVGIS API (EU)
The calculator uses official EU data (PVGIS) for precise calculations. An internet connection is required.

FAQ – Raleigh Balcony Solar

How much can an 800W balcony solar system produce in Raleigh?

An 800W south-facing system in Raleigh, Illinois typically generates 805–983 kWh per year depending on shading and tilt. Use the calculator below for a precise PVGIS-based estimate.

Is plug-in balcony solar legal in Illinois?

Rules vary by utility in Illinois. Many areas allow UL 1741-listed plug-in systems with utility registration. See our plug-in solar legal by state guide and Illinois incentives page.

What is the payback period for balcony solar in Raleigh?

At typical Illinois electricity rates (~$0.13/kWh), an 800W system in Raleigh often pays back in 17–22 years before the 30% federal tax credit.

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