Question

why solar energy is so less used at present?​

Answer 1

Answer:

solar energy is so less used at present because the reused and misuse of solar energy

Answer 2

Answer:

hii mate....

Solar panels use expensive semiconductor material to generate electricity directly from sunlight. Semiconductor factories need 'clean' manufacturing environments and are expensive to build & maintain. The efficiency of solar cells is only about 22%. The rest of the sunlight that strikes the panel is wasted as heat.