Google is testing a fleet of plug-in hybrids and software that would turn them into load-balancing tools for utilities flooded with variable power from wind and solar generators.
Dorothy Thompson, chief executive of Drax, told BBC News that biomass was the ideal fuel to balance variable wind power.
These alternatives are highly variable, with power generation going in and and out with cloud cover and wind gusts.
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While every sports fan appreciates the power of hope, few comprehend the zombie-like power variable rewards can have on the brain.
The NGIPS platform is critical for clean energy, especially variable resources like wind power and solar photovoltaics.
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Journe created this lightweight Octa Sport with 120-hour power reserve and a variable inertia balance wheel for stability even at high speed.
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China has targeted procurement policies for clean energy, and a variable feed-in tariff for wind power.
But doing so will mean replacing high-power-density sources that are reliable and low cost with low-power-density sources that are highly variable and high cost.
The subsea power grid encompass pumps and compressors and large variable speed drives to transport the oil and gas from the wellhead to a processing facility.
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That they are not including the cost of connecting wind power to the grid, the necessary costs of dealing with variable supply, of needed back up and so on.
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Sojka said that the company will release new variable-assist software option in June that'll let patients contribute from zero to 100 percent of the walking power, with the exoskeleton providing the rest -- though there's no pricing yet for that update.
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