Energy Storage

Two of Australia’s richest people are expected to be rivals in the bidding process for Sun Cable, the developer of what could be the world’s biggest intercontinental solar and energy storage project. Administrators indicate that the sale process could be completed within three months.

Scientists in Austria have developed a long-term energy storage system that uses regenerative braking to adjust the descent speed of sand in mine shafts and generate electricity.

pv magazine Australia’s Natalie Filatoff reports on the benefits of planning vast solar project pipelines, and the barriers faced by those who dare to dream big.

Delectrik Systems says multiple units of its 200 kWh battery system can be connected to build MWh-scale energy storage systems for use in on-grid and off-grid applications.

PV integration in smart grids is a complex but highly relevant issue, with various aspects to be considered to develop different scenarios. Researchers in the IEA-PVPS Task 14 program are conducting a survey to collect opinions from peers in the PV branch to perform such an analysis.

Under a 25-year agreement valued at nearly $1 billion, a community choice aggregator has agreed to purchase 200 MW of eight-hour energy storage from Hydrostor’s planned 500 MW facility in California.

An international research team is assessing the potential of flywheels for renewables storage in the Philippines. They considered the use of a flywheel energy storage system developed by US-based Amber Kinetics.

Edinburgh-based energy storage solutions specialist StorTera has developed a long-duration, energy-dense, lithium-sulfur-based single liquid flow battery (SLIQ). The tech is said to last for 30 years with minimal degradation.

Israel’s market for behind-the-meter energy storage projects could grow significantly this year, due to new regulations and plans to commission new solar-plus-storage installations that were tendered a few years ago.

Robert Piconi, CEO of gravity storage specialist Energy Vault, makes the case for the US company’s long-duration energy storage solutions as an alternative to lithium-ion batteries, and discusses the ideal project size from an economic perspective.