On December 21, 2020 OxFord PV announced that they set a new record for a perovskite-silicon tandem research solar cell at 29.52%. The perovskite cell was placed atop a monoPERC NType silicon solar cell. This efficiency percentage broke the very recently set record of...
The Clean Power Hour – a weekly clean energy headline review and commentary podcast run by Tim Montague, and yours truly – the CommercialSolarGuy – John Fitzgerald Weaver. First of course, here’s the podcast – Episode 30! Now, to the news! Elon Musk announces he’ll...
The commercial and industrial solar market is broad – from a few panels on a storage facility, to a 500 acre solar power facility built to feed a Colorado steel mill, to the largest solar facilities in the world signing virtual power purchase agreements (PPA) to...
The State of Rhode Island offers a twenty year electricity purchase contract to commercial rooftop owners that install solar power. Essentially, CommercialSolarGuy will build a small power plant on your building, and National Grid will purchase all of that...
The Clean Power Hour – a weekly clean energy headline review and commentary podcast run by Tim Montague, and yours truly – the CommercialSolarGuy – John Fitzgerald Weaver. First of course, here’s the podcast – Episode 29! Now, to the news! Big banks looking hard at...
Tesla reported their fourth quarter earnings. The company earned $752 million in revenue from energy generation and storage, but they spent $787 million to earn that. The company noted during the earnings call that SolarRoof ramp costs were weighing on the energy...
