While a standard grid-connected system might run $15,000-$20,000, a complete off-grid setup typically ranges from $45,000-$65,000 for an average home. This significant price difference reflects the additional components needed when you can't rely on the utility grid as backup.
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The global rooftop solar PV market size was estimated at USD 63. 9 billion by 2030, growing at a CAGR of 5.
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How big is the rooftop solar pv market?
The global rooftop solar PV market size was estimated at USD 66.84 billion in 2019 and is expected to reach USD 50.17 billion in 2020. Read More
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China continues to dominate the global market, representing ~60% of 2023 installs, up 120% y/y.
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In Q3 2025, the residential segment installed 1,088 MWdc of solar capacity, declining 4% year-over-year and quarter-over-quarter. Despite an industry rush to bring projects online this year to qualify for tax credits, equipment constraints are holding back installation growth.
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