São Tomé and Príncipe has validated its National Sustainable Energy Investment Plan (PNIES) and begun the construction of new solar photovoltaic projects, consolidating an investment agenda aimed at increasing generation capacity, reducing dependence on fossil fuels, and. São Tomé and Príncipe has validated its National Sustainable Energy Investment Plan (PNIES) and begun the construction of new solar photovoltaic projects, consolidating an investment agenda aimed at increasing generation capacity, reducing dependence on fossil fuels, and. eatest opportunities to São Tomé and Príncipe. On one hand, global climate change poses a direct threat to our way of life; on the other, continued reliance on outdated fossil energy sources, uch as imported diesel, is no longer sustainable. At present, the energy expenditures of São Tomé and. São Tomé and Príncipe, June 04, 2025. 2 megawatt photovoltaic solar park, integrated in the Santo Amaro power plant, which was attended by several individuals, namely the HE Prime-Minister. With the inauguration of the Santo Amaro photovoltaic solar park with a total electric capacity of 1. Although around 70% of rural areas in STP are electrified, many communities remain off-grid or face unreliable supply. Release by Scatec, a subsidiary of Norway's Scatec energy group, announced on Tuesday, November 11, the signing of a power leasing agreement with the national utility EMAE to build an 11-megawatt (MW) solar power plant at Água Casada. The project is expected to avoid about 13,000 tons of CO₂.