Battery storage technology costs will have to fall by a further 30% before projects in the UK are feasible without lucrative frequency response revenues, a leading investor has said.

The government of the state of South Australia has named four utility-scale energy storage projects which it will support with grants toward the total cost of development.

Norwegian oil and gas company Statoil’s Batwind project in Scotland, combining wind turbines with energy storage, will have a battery system installed by system integrator Younicos.

Applications made to the government of New South Wales in Australia for two solar farms totalling 285MW of capacity are open to comment from stakeholders and members of the public.

Australian large-scale renewables investor Lyon Group has confirmed it is selling three projects under development, totalling 800MWh of energy storage and 545MW of PV generation capacity, in Queensland, Victoria and South Australia.

Amidst experiencing Model 3’s “production hell”, launching a semi truck, a new Roadster and a portable battery pack, Tesla’s work on a 129MWh energy storage system in South Australia appears on track to be completed in time.

Over the past couple of weeks, various flow battery makers have touted new sales and supply chain agreements as the fledgling sector fights for a share of the stationary energy storage market.

Trade associations the Australian Solar Council and counterpart the Energy Storage Council have merged together to form the national Smart Energy Council.

Battery Energy Storage Solutions (BESS), an investor and would-be asset owner in the UK, has raised more than £50 million (US$66.18 million) of outside investment, setting its sights on making energy storage project acquisitions in Britain.

The rise of energy storage will enjoy a similarly meteoric trajectory to that enjoyed by solar PV deployment in the past and could reach 305GWh of installations by 2030, BNEF has predicted.