No One Can Force the Sun to Shine or Wind to Blow

Two facts are incontrovertible: Wind turbines don’t generate electricity when the wind isn’t blowing Solar power plants don’t generate electricity when the sun isn’t shining Storage can mitigate this to some extent, but it can double the initial investment in Continue reading No One Can Force the Sun to Shine or Wind to Blow

Impact of Electric Vehicles on Grid

While EVs and PHEVs are still few in number, we should understand their effect on the grid if their numbers grow significantly. Remember, hybrids, i.e., HEVs such as the Prius, do not affect the grid. The following are some potential Continue reading Impact of Electric Vehicles on Grid

Watching Germany’s Endangered Utilities

Earlier articles have described the effect that Energiewende is having on Germany, with its effort to have 80% of electricity from renewables by 2050, and how, at only 22%, the power generation and delivery system is already being stressed to Continue reading Watching Germany’s Endangered Utilities

Incipient Clean Energy Grid Problems

It will start with small annoyances, and progress to real shortages. Is that the future of clean energy on the grid? Or, is it very expensive electricity because of the investments needed to back-up clean energy? Or, both? The PJM, Continue reading Incipient Clean Energy Grid Problems