Taiwan Promotes Mandatory Solar PV Standards for Buildings Exceeding 1000 Square Meters

To support national 2050 carbon neutrality goals, the Ministry of the Interior and the Ministry of Economic Affairs issued standards for building solar photovoltaic equipment, taking effect on August 1, 2026. Mandated under Article 12-1 of the Renewable Energy Development Act, the rules require new, expanded, or altered buildings of 1000 square meters or more to install 1 kW of solar PV per 20 square meters. Official data indicates these cases represent roughly 10% of building permit applications but about 80% of total building area, with an estimated annual capacity addition of 660,000 kW (660 MW). Authorities plan to integrate reviews into building and occupancy permits, disclose building energy efficiency ratings in real estate transactions, and assess building facade PV applications.

Key takeaways

• The standard mandates that new, expanded, or altered buildings with areas of 1000 square meters or more install 1 kW of solar PV per 20 square meters, targeting approximately 660,000 kW in annual added capacity.
• Scheduled to take effect on August 1, 2026, the policy integrates PV verification into building and occupancy permit workflows while defining common area handover and revenue management.
• Authorities plan to require building energy efficiency disclosures in real estate transactions, publish data on price registry platforms, and explore facade PV applications on existing structures.