More tech making renewables capable of replacing fossil fuel generators.

[Old Rocks]

One problem for renewables is grid inertia. The spinning turbines of the coal fired, gas powered, and nuclear plants provide this. However, there is no equivalent inertia generators for solar or wind. This is a vital need for grid startup and maintaining the 60 cycle AC current. So now they have created an invertor that can not only maintain the 60 cycles but to a blackout startup for a grid when it goes down;