1The company specializes in the development of photovoltaic systems for residential and commercial buildings.
2Do you think photovoltaic energy will become the main source of power in the future?
3The government has invested heavily in photovoltaic research to reduce the country's reliance on fossil fuels.
4Install photovoltaic panels on your roof to generate electricity and reduce your energy bills.
5The new photovoltaic technology has increased the efficiency of solar panels by up to 20%.