To get a regular enough power supply from non-hydro renewables will require
excess generation capacity and energy storage, both expensive.
Not exact matches
Firm up renewable
generation by reconciling the intermittency of power from these sources and storing
excess capacity to dispatch when it's needed.
Key among NDC's 2016 manifesto promises in the sector includes increasing the stock of power
generation assets, developing more sustainable power sources, encouraging energy conservation, increasing
generation capacity in
excess of 5,000 MW by 2021 and achieving universal access to electricity by 2025.
A number of scenario analyses forecast tight
generation capacity in the southern regions, where most of the phased - out nuclear power is concentrated, and suggest
excess power from the north should be rerouted to the south — a recommendation strongly advocated by the Federal Network Agency and ministries involved with the transition.
«The wind is always blowing somewhere» On 124 separate occasions from November 2008 to December 2010, the total
generation from the windfarms metered by National Grid was less than 20MW (a fraction of the 450MW expected from a
capacity in
excess of 1600 MW).
Lastly, in a grid with 100 % renewable power production, the
generation capacity would need to be ten times larger than the peak load, and
excess electricity would surpass the EU annual electricity consumption.
In the case of a grid with 80 % renewables, the
generation capacity needs to be six times larger than the peak load, while the
excess electricity would be equal to 60 % of the EU's current annual electricity consumption.
It allows renewable sources such as wind and solar power to operate at full
capacity during peak
generation periods by storing
excess energy until it is needed to meet later demand.
Spain's large amount of
excess capacity also helps to protect system reliability; it has 86 GW of
generation, including 15 GW of wind, to serve a maximum load of 45 GW.
I recall that originally the wind guys felt they could get a 15 % penetration because the base load coal and hydro
generation had
excess capacity to cover them when the wind was not blowing.
In fact, thanks to the existing grid's
excess capacity at night, it should be possible to support up to 30 percent of the nation's vehicles equipped with plug - in batteries of 20 - mile range and not have to expand electricity -
generation.
Firm up renewable
generation by reconciling the intermittency of power from these sources and storing
excess capacity to dispatch when it's needed.
They an installed
capacity of nearly 100 % of their average demand which means that on windy days 100 % of their electricity comes from wind turbines but it also means that all their other power
generation facilites must shut down on windy days or they must export the
excess power.