The Australian Renewable Energy Agency (ARENA), has given utility company AGL Energy (AGL) the task of examining the business case for grid-connected energy storage in South Australia, with AGL to receive AUS$445,000 (US$390,000) of funding.

Axion Power International, a maker of lead carbon battery systems, has been selected to supply energy storage and frequency regulation to a 9.1MW solar farm in Pennsylvania, the company has announced.

The US Department of Energy’s Sunshot initiative has announced US$15 million in funding to aid the integration of solar into the electrical grid infrastructure using energy storage systems.

In the UK, the National Grid has recently warned the government that its capacity to supply electricity is at a seven-year low due to recent generator closures, fires and outages. The margin of capacity over demand is expected to be just 4% this winter.

Zinc redox flow batteries could be a “viable substitute” for simple cycle peaking power plants in the US, especially as the increase of solar penetration adds concerns over grid stability, according to a new whitepaper.

Nine companies conducting research and development projects in energy storage have partnered with, and are set to receive financial support from, the New York State Energy Research and Development Authority (NYSERDA).

Singapore is set to create a US$25 million fund for energy storage, as part of a raft of strategic measures aimed at meeting “significant shifts” in the energy sector, which will also include investment in research for integration of solar and cutting times for grid connection.

Sharp, ABB, SMA and Bosch are among the big names readying new energy storage products for the UK PV market. Andy Colthorpe caught up with them at the Solar Energy UK show to find out what tech fits best for the UK’s nascent storage sector.

Solar microinverter specialist Enphase has announced its first move into energy storage, launching an energy management system which includes an AC battery, at the Solar Power International show in Las Vegas this week.

The US-based solar division of Japan’s Kyocera and energy service start-up STEM have become the latest partnership to offer integrated solar-plus-storage to commercial customers in the US, beginning with sales in three states including California.