Key Takeaways
- Global cumulative solar PV capacity reached 1,614 GW by the end of 2023, representing 6.5% of total global power capacity.
- In 2023, China added 217 GW of new solar PV capacity, accounting for 55% of global additions.
- The United States had 142 GW of installed solar PV capacity at the end of 2023.
- Commercial lab efficiency for crystalline silicon solar cells reached 27.3% in 2024.
- Perovskite-silicon tandem cells achieved 33.9% efficiency in lab (2023).
- Average module efficiency for TOPCon cells is 22.5% in production (2024).
- Global weighted average LCOE for utility solar PV was $0.049/kWh in 2023.
- Solar PV module prices fell to $0.11/W in Q4 2023.
- U.S. residential solar installation cost averaged $2.83/W in 2023.
- Solar PV displaced 2.6 billion tons of CO2 emissions in 2023.
- Lifecycle GHG emissions for solar PV are 41 gCO2/kWh, vs 490 for coal.
- Solar power avoids 0.4 tons of CO2 per MWh generated.
- New household solar connections grew 14% to 5.2 million globally in 2023.
- Annual solar PV additions hit record 447 GW in 2023.
- Over 1 billion people rely on off-grid solar solutions.
Solar power is rapidly expanding worldwide, led by China and other major markets.
Deployment and Growth
Deployment and Growth Interpretation
Economic Aspects
Economic Aspects Interpretation
Environmental Benefits
Environmental Benefits Interpretation
Production and Capacity
Production and Capacity Interpretation
Technology and Efficiency
Technology and Efficiency Interpretation
How We Rate Confidence
Every statistic is queried across four AI models (ChatGPT, Claude, Gemini, Perplexity). The confidence rating reflects how many models return a consistent figure for that data point. Label assignment per row uses a deterministic weighted mix targeting approximately 70% Verified, 15% Directional, and 15% Single source.
Only one AI model returns this statistic from its training data. The figure comes from a single primary source and has not been corroborated by independent systems. Use with caution; cross-reference before citing.
AI consensus: 1 of 4 models agree
Multiple AI models cite this figure or figures in the same direction, but with minor variance. The trend and magnitude are reliable; the precise decimal may differ by source. Suitable for directional analysis.
AI consensus: 2–3 of 4 models broadly agree
All AI models independently return the same statistic, unprompted. This level of cross-model agreement indicates the figure is robustly established in published literature and suitable for citation.
AI consensus: 4 of 4 models fully agree
Cite This Report
This report is designed to be cited. We maintain stable URLs and versioned verification dates. Copy the format appropriate for your publication below.
Kevin O'Brien. (2026, February 13). Solar Statistics. Gitnux. https://gitnux.org/solar-statistics
Kevin O'Brien. "Solar Statistics." Gitnux, 13 Feb 2026, https://gitnux.org/solar-statistics.
Kevin O'Brien. 2026. "Solar Statistics." Gitnux. https://gitnux.org/solar-statistics.
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