The price of the energy stored me seem very important (70 € / kWh for electricity sold to 0.15 € / kWh by EDF ???): raymon spoke of 3 cents per kWh for STEP?

Yes there is a confusion 70 euros / kwh is to have a storage 1 kwh, 3cts is the cost of a kWh consumed.

Effective turbine leaves very little water escaping around her pale

It looks like a "virtual" worm. So this can possibly recover a lot of energy from the water rubbing longer on the rotor.

Water arrives on the perimeter and down the middle.

It is precisely this that is interesting since the water by turning the principle is different it is not a simple venturi effect.

I find the concept interesting because it through on a slightly different principle of Kplan example. But interesting because it is the first time I see a turbine using a vortex to operate. It remains to know the rendement.Mais difficult to do better than Kaplan.

Miroslav Sedláček finalist for the European Inventor Award 2016 has created a really strange new hydraulic turbine system: http://positivr.fr/setur-bladeless-turbine-hydraulique-miroslav-sedlacek-electricite-eau/?mc_cid=9391e77275&mc_eid = 6d676277b4 http://vortexhydro.com/index.php I have ...

In fact you know the zeolite it seems interesting we could almost open a new subject: Concretely, the realization of this heating of the future would consist in placing this reactor on a hot source, at the exit of a household waste incinerator for example or of an installation ...

raymon wrote: @ lilian07 There is something that bothers me in this system is that you have to be sure that there is not too much groundwater circulation otherwise the calories may go into the water table phreatic. And why do you think we do core samples to find out the composition of the sub ...

@lilian07
There is one thing that bothers me in this system is that you have to be sure there is not too much traffic groundwater if not calories risk from ground water.

You scare me ? what would happen if a multitude of refrendums took contradictory decisions? who would run? good democracy remains to be invented, because I do not see a very effective current democracy We are not obliged to vote every week for the decisions taken ...

democracy is very complicated. Because you confuse democracy and representative democracy. Democracy is for example a referendum of popular initiative, representative democracy we elect a representative and then this representative does the opposite of what he promised, example Hollande the ...