Storing hydropower via regenerative braking in electric trucks
An international research team has proposed the use of water from high-altitude rivers and regenerative braking in electric trucks to store electricity for reuse in power networks, or for transport purposes.
Transgrid builds high-voltage interconnector to link Australian states
Transgrid, the transmission network owner in the Australian state of New South Wales, has started building its section of the AUD 2.3 billion ($1.64 billion) Project EnergyConnect. The high-voltage electricity transmission interconnector will link power grids across three states, unlocking gigawatts of planned renewables.
Tesla rallies Powerwall owners to show how they can help Texas grid
In Texas, where batteries cannot send power to the grid, Tesla has filed a request for a rule change and has called on Powerwall owners to form a virtual power plant.
British developer gets green light for 200 MW battery
The Heysham site is intended to reduce curtailment from half a dozen offshore wind farms and to replace local grid services which will be lost when two nearby nuclear reactors are powered down.
Irish authorities approve subsea power link to France
Ireland has given the green light to install a 700 MW, high-voltage direct current submarine power cable between its southern coast and the northwestern coast of France.
Ingeteam touts Italy’s largest storage system
Spain’s Ingeteam will supply a 70 MW/340 MWh facility based on almost 60 lithium-ion containers to provide storage services to the grid.
How grid-forming inverters may enhance grid synchronization
US researchers have investigated how grid-forming inverters could help to resolve network synchronization issues. They have found that multi-loop devices could offer strong damping support in power systems with intermittent renewables.
Grid company appeals for flexibility from energy consumers
Tennet has suffered well-cataloged problems attempting to absorb solar projects into parts of its Dutch grid network and is now appealing for help in two pinch provinces.
Ultracapacitor sonar seeking grid with 100% solar, wind
Reactive Technologies uses an ultracapacitor to send signals to the grid that help managers determine the level of system inertia, supporting power grid stability – and they’re coming to the United States.
Quebec publishes draft documents for 1.3 GW tender
The Canadian provincial government’s Green Economy Plan, launched in November 2020, envisages a 37.5% reduction in greenhouse gas emissions en route to net zero by mid century.
