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Power plants (Miscellaneous)

posted by RayeR Homepage, CZ, 05.03.2022, 04:13

>Regarding grid stability, we already had claims that the sudden change in
>sunlight during one of the eclipses in this century would cause a horrible
>blackout because of all the supply fluctuations. But instead, they just
>needed a few more experts to be present in the control rooms to press a few
>more buttons than usual.

Yeah, just press a few more buttons...
But it was possible because the grid is common for whole Europe and you could
drain peaks from other countries who had strong and stable production. Our
experts says that risk of several blackouts in Europe significatnly increased in
recent years because of increase share of unstable renewables against other
stable supplies. Our grid operator CEPS is monitoring the inflows and outflows
across our borders. We often see that there are huge flows from north to south
Germany across CZ HV grid. To protect our HV grid from overload CEPS had to
install special regulation HV transformers at borders to be able to regulate
foreign flows. And CEPS is also building new HV lines to make it more robust.

The eneregy market is not free, it is heavily distorted by emission permissions and other dotations that intentionally handicap coal plants over others not because they couldn't compete.

I'm also very disturbed about various enforcements comming from EU
that dictate us when we must stop our coal plants regardless how much they are
old/modern, etc. and that this conditions are changing during the game. E.g.
our most modern coal plant Ledvice was heavily reconstructed in 2017 to reach
very high efficiency and low emissions. It cost a lot of m0ney [why is a m0ney a forbidden word here?] and the operator CEZ expected some pay-off period. I think it was planned to operate at minimum
until 2050 but it will be forced shutdown much sooner. And instead of it we
have to build gas power plants and pay for gas to Russia or USA. And what would
we do when a few years later also the gas will become a "bad guy" and we will
be enforced to shutdown newly built gas power plants?
But now the game can change again...

I don't say that nuclear power planst are the best and only one to have
(BTW France has greater share of nucelars than us and they probably think it's OK)
but we just have nothing better and such stable. The fussion is still not coming
for tens of years. I think nobody can estimate now what prices of electricity,
plants and fuel in next 20 years. I would like that every county could choose
own way and take its responsibility for it instead forcing others what is good
for all.

---
DOS gives me freedom to unlimited HW access.

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