Photovoltaic Panels

The most common technologies providing direct conversion of radiated energy from the sun are Photovoltaics (PV) and Solar Thermal, which includes Solar Hot water (SHW).  PV provides electricity whereas Solar Thermal gives us heat.  Although descriptions of the technologies are often combined, they use different parts of the radiated energy spectrum and apply completely different techniques to extract the energy.

The main association representing the PV industry in the UK is the Renewable Energy Association (