#Tesla Offers to Acquire #SolarCity – WSJ

“This is something that we have been thinking about and debated for many years,” Mr. Musk said in a call with reporters Tuesday. “But the timing seemed to be right now” because Tesla is ramping up production of batteries used in conjunction with solar panels, SolarCity’s main business, he said. Mr. Rive on the same call said he was “very excited” about the potential deal, which still requires approval from shareholders.”

High Heat High Demand and Panel Efficiency

In case you haven’t heard we’re inching toward a record heatwave summer. With that comes warnings of blackouts and calls to conserve energy. In essence, the fodder of the solar power industry, the need for an energy source that supplements the current infrastructure; demand response energy, but what about efficiency during those high heat high demand days?

Unbeknownst to most people is that solar panel output is reduced at high temperatures, and over extended periods can lead to premature degradation. While the current increases the overall performance of the system decreases. 

The standard Temperatue-rise coefficient for Solar Farms, where the rear of the panels are open and exposed to wind, is a 20 degree rise, while panel mounted on a roof are said to see at least a 45 degree rise in cell temperature. The temperature translation for a 45 degree rise is a 10% reduction in voltage produced. 

Read this article on Solar Panel efficiency utilizing heat

Also: Photovoltaic Efficiency: The Temperature Effect PDF

Also: Enhancing the performance of photovoltaic panels by water cooling PDF