Taiwan is about to introduce new regulations for the installation of solar PV systems on large buildings.
Effective August 1, changes to Taiwan’s Renewable Energy Development Act will require newly constructed, expanded or renovated buildings with a floor area of 1,000 square meters or more to install solar PV systems at a rate of 1 kW per 20 square meters of building area.
During a briefing on the new regulations, Vice Minister of Taiwan’s Ministry of the Interior (MOI) Dong Jian-hong said the regulations are expected to add about 660 MW of solar PV capacity annually.
A press release from MOI and Taiwan’s Ministry of Economic Affairs (MOEA) said the requirements will help increase the supply of green energy in urban areas while improving the energy independence and resilience of solar-powered buildings.
The updated regulations also require that solar installations be included in construction plans from the design phase. This approach aims to strike a balance between aesthetics, usability and safety, while reducing the construction and management challenges associated with adding solar systems after buildings are completed, the ministries said.
The MOI added that it will work with MOEA’s Energy Administration, Taiwan Power Company and industry stakeholders to establish coordination mechanisms between building designers and the solar industry. The collaboration will aim to address any issues related to equipment design, maintenance management and grid connections.
“The aim is to gradually develop a comprehensive process that includes planning, installation, connection to the electricity grid and subsequent maintenance management, providing the industry with the necessary professional support,” the ministries said.
According to an analysis by consultancy GlobalData, Taiwan is on track to more than double its current solar capacity by the end of 2035, with expected annual growth additions of between 1 and 2 GW.
In May, the city of Taoyuan in northern Taiwan published local guidelines for solar energy projects, a move that signaled a shift toward a regional approach to permitting solar energy in the country. The announcement followed changes in Taiwan’s Legislative Yuan regarding national-level regulations for the development of ground-mounted and floating solar projects following a major typhoon in July 2025, which damaged more than 135,000 solar panels.
