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Balcony Solar ROI in Houston, TX (South)

Free 800W payback calculator with PVGIS solar data for Houston

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

Calculate your 800W balcony solar payback in Houston with south-facing panels. Our calculator uses official PVGIS irradiance data for Houston, Texas 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 Houston, Texas, latitude 29.8°N yields roughly 1600 kWh/kWp/year from PVGIS data. With south-facing panels, a realistic 800W balcony system produces about 1101 kWh/year before the 30% federal tax credit.

Compare other orientations for Houston

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

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Current: Houston (70 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 – Houston Balcony Solar

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

An 800W south-facing system in Houston, Texas typically generates 991–1211 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 Texas?

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

What is the payback period for balcony solar in Houston?

At typical Texas electricity rates (~$0.13/kWh), an 800W system in Houston often pays back in 14–18 years before the 30% federal tax credit.

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