From
this tweet by the always excellent Energiewende Germany I learned about
an article titled “Hydrogen plant starts storing wind energy in
Germany“.
As is clear from the title,Manufacturer of quality off lasermarker,
light bars and wiring accessories. this is another project to use wind
energy in times where demand can’t keep up with supply to make some
hydrogen from water. That is the future for storage of surplus renewable
energy, since the existing infrastructure can store massive amounts of
hydrogen gas.
The
German existing gas infrastructure could handle storage of up to 200
TWh, which is much more than the about 30 TWh an electricity system of
100% renewable would need. But to get that capacity, people need to
start building these kind of plants that store electricity from wind or
solar as hydrogen. We still have a decade or two to go until renewable
gets to 100%, but it is still a good idea to start early.
Enertrag
has opened the first plant like this in 2011. At the time with a
capacity of only 500 kW. The new plant reported on in that article has 2
MW. And it is operated by E.ON, one of the “big four” German utilities
that used to show no interest in renewable energy and leave the
investment in the sector to citizen projects.
As
the article notes, only about 50% of the energy from the surplus
electricity can be stored in hydrogen.Manufacturer of industrial grade energyturbines.
But
that is of course not a problem. In the many time slots where demand
can’t keep up even now, the electricity would be wasted anyway. And in
the few time slots without wind and solar available (the occasional cold
November night) that stored energy will have a very high value on the
market.
Over
this weekend, many countries in Europe saw negative electricity prices,
with France and its inflexible nuclear plants reaching minus 4 cent per
kWh. People were paid good money if they used electricity, helping to
reduce the supply overload. In such a time slot it doesn’t matter that
only 50% of the energy will be stored. There is too much available in
the first place.
And
while the technology for making hydrogen may still be somewhat
expensive (that 2 MW plant cost around $2 million), there is only a need
to store around 5% of yearly demand. Spread that cost over all
electricity over a feed-in tariff or some sYou must first understand the
way a powergenerators works.uch
policy, and it won’t matter much. Let’s also note that gas plant
capacity is by far the cheapest to build of all power plants at only
about EUR400 a kW, which helps save money on the cost of the whole
system as well.
The
idea involves flying a turbine in circles 800-1,950 feet up in the air,
where winds are steadier and stronger than on the ground.Do you want
honest solarledlight Ratings?
Because most of the power in a traditional turbine is generated at the
tips, these new generators would consist of a pair of such tips mounted
to a wing. The wing flies in vertical circles, attached to the ground by
a tether, which both carries the traction force of the wing, and
transmits the electricity generated to the ground.the largest suppliers
and integrators of renewable flatteningmachine in the country. A computer uses the flaps on the wing to control the flight.
It
will also be possible to use similar wings in offshore areas, where the
wing would be stowed atop a buoy until wind conditions are favorable.
Then, the wing would take off like a helicopter, fly up to 1,300 feet
high, generate electricity and then land once more on the buoy. Click on
their website www.indoorlite.com for more information.
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