OUR SOLUTION

HeatStorE™ long-duration heat battery with 24/7 dispatchability

247Solar’s HeatStorE™ long-duration thermal battery converts electricity from wind turbines to heat and stores it for 9 hours or more in inexpensive materials like sand or iron slag. Yet, HeatStorE operates almost exactly like conventional electrochemical batteries. And uniquely, HeatStorE provides guaranteed power even when fully discharged. The system provides its own backup by burning almost any locally-available fuel, including hydrogen, when its thermal storage is depleted. HeatStorE furnishes round-the-clock baseload power to enable wind farms to deliver 24/7 clean electricity.

Benefits include:

Clean power day and night in any weather
Increased wind farm revenues and profits, especially where wind power oversupply is substantial and electricity costs are negative
Load shifting of 8 hours or more
Participation in profitable arbitrage during periods of peak demand
Low maintenance and operating costs
No safety or environmental hazards

EXAMPLE

2 MW wind farm in Germany, where there is an enormous amount of wind and PV generation on the grid and supply often greatly exceeds demand.

Energy Requirements

2 MW long-lasting electricity storage to capture excess grid power, harness otherwise curtailed energy from wind, and facilitate 24/7 operation

Solution

Ten 247Solar 200kWe, 1.8MWH HeatStorE™ long-duration thermal batteries

Outcome

Up to €1 million additional revenue per year for the wind farm
New revenue stream and profits
Fully utilized output from the wind farm
24/7 operation from the wind farm

24/7 Wind Farms - Case Study

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