Installation of the equivalent of 40,000 m2 / year of solar water heaters. 647.5. 91.3. 308.0. 31. Installations of photovoltaic solar panels, by 2030, for self-consumption in the residential and tertiary sectors. Implementation of a program to promote photovoltaic solar panels connected to low voltage networks with a total capacity of 1,000 MWp by 2030. 4,472.0. 942.2. 2,020.0. 32. Energy efficiency program in public lighting.