Shockley-Queisser Limit

Passive Solar

Active Solar

Solar Water Heating Direct

Solar Water Heating Indirect

Solar Water Heating Active

Solar Water Heating Passive

Evacuated Tube Collectors

Glazed Flat Plate Collectors

Unglazed Plastic Collectors

Solar Thermal Energy (Low Temp)

Solar Thermal Energy (Medium Temp)

Solar Thermal Energy (High Temp)

Solar Cookers