On 08/11/17 21:08, bert wrote:
In article , Tim Streater
writes
In article ,
" wrote:

They work exactly as you expect charging up when electricity is cheap
and
discharging when it is expensive. They have the advantage of instant
power
delivery. There are some large existing facilities around the world
with a
modest output (100MW or thereabouts) acting as giant UPS's for remote
regions.

100MW for how long?

Exactly. Otherwise a meaningless parameter for a battery.

Most 'eco' statistics are meaningless.

Earlier this year greenies were pestering me to get rid of the 'Coal'
dial on gridwatch and put 'Solar' there already as coal was no longer
relevant...

I pointed out that overall coal still produced more than solar by some
margin.

Just not when they were looking..


--
To ban Christmas, simply give turkeys the vote.