Category: Renewable Energy Cannot Sustain A Consumer Society

The Intensity of Solar Radiation: The Start-up Threshold Problem

The most important factor determining the winter/summer difference in trough per­formance would seem to involve the “threshold intensity” needed for system start­up. As soon as a PV panel begins to receive weak sunlight it will generate some electricity. But until the energy delivered by the solar thermal plant’s reflectors reaches a specific level the turbines […]