Energy storage companies “have suffered significant and detrimental harm” from changes to rules governing the frequency regulation market in US regional transmission organisation (RTO) PJM Interconnection’s service area, the Energy Storage Association has said.

One of Australia’s energy market regulators has put out a lengthy document detailing the potential impact of introducing five minute settlement into the electricity spot market, which would likely favour flexible resources such as energy storage.

Maryland will become the first state in the US to offer tax credits for customer-sited energy storage, as and when state Governor Larry Hogan approves Senate Bill 758 (SB 758).

California’s Self-Generation Incentive Program (SGIP), the scheme to incentivise the use of distributed energy, opens for applications at the beginning of next month, weighted to favour energy storage.

A new report from the US National Renewable Energy Laboratory (NREL) aims to track cost trends in residential PV-plus-storage, help stakeholders to identify potential cost-reduction opportunities and illuminate barriers that exist to the technology’s widespread deployment.

Solar Media’s Energy Storage Summit took place at the end of February and was attended by around 350 delegates and stakeholders, looking at energy storage markets in the UK and beyond. Collected here are seven interviews with leading figures at the event spanning utility-scale, commercial and residential energy storage.

Arguing that energy storage is “critical to ensuring a resilient, reliable, cost-effective and sustainable grid”, the Energy Storage Association joined with 52 other organisations to plead the place of storage in the Trump administration’s infrastructure priorities.

Brisbane-based renewable energy investor Lyon Group will soon start building a AU$1 billion (US$767 million) solar-plus-storage farm in South Australia – the world’s largest.

The UK’s energy regulator has taken what appears to be an encouraging viewpoint on “double charging” of energy storage, clarifying the definition of the technology’s role in the grid, according to one expert view.

According to the latest GTM Research figures, energy storage is coming into its own and is no longer confined to a handful of US states. 21 states now have 20MW of storage projects proposed, in construction or deployed. Further, 10 states have pipelines of more than 100MW.