DataENERGY
Distributed Solar Boom: Urban Rooftops Now Host Over 500GW of Capacity
National distributed solar installations have surpassed 500GW, with urban building rooftops accounting for 40%. Building-integrated photovoltaics have emerged as the defining trend.
Installed Capacity Data
| Type | Capacity | Share |
|---|---|---|
| Rural rooftops | 300GW | 60% |
| Urban building rooftops | 200GW | 40% |
| Other (solar façades, etc.) | 50GW | 10% |
Urban Building Solar
Penetration Rates
| Building Type | Solar Penetration Rate |
|---|---|
| Industrial facilities | 65% |
| Commercial buildings | 35% |
| Residential | 15% |
Generation Data
| Metric | Value |
|---|---|
| Average annual generation hours | 1,200 hours/year |
| Cost per kWh | ¥0.25 |
| Installed cost | ¥3.5/watt |
Policy Support
- Mandatory installation: New buildings must reserve conditions for solar installation
- Subsidies: BIPV (Building-Integrated Photovoltaics) subsidized at ¥100/㎡
- Grid feed-in: Surplus electricity guaranteed feed-in tariff
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