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.

A representative of National Grid, the UK’s transmission system operator (TSO), has said that energy storage will be “integral” to the network’s flexibility strategy – while urging developers not to rely solely on early frequency regulation contracts.

Nidec ASI has been selected to construct and maintain four PV plants with co-located energy storage systems on the French island territory of Corsica.

No one moment took energy storage into the mainstream of the UK power system more than the outcome of National Grid’s August 2016 tender for Enhanced Frequency Response (EFR). Reporter David Pratt examines the business case behind Vattenfall’s first EFR project and asks what grid operators and regulators’ next moves are likely to be.

Submissions for Thailand’s first 300MW hybrid PPA scheme, which encourages use of energy storage to supplement renewable energy generation, are due by 20 October.

Queensland’s tender for 400MW of large-scale renewables and 100MW of energy storage has received 115 proposals from 79 different entities spanning a wide range of technologies, according to the state’s energy minister Mark Bailey.

UK electrical distribution system operator Northern Powergrid has begun using a £4 million (US$5.27 million) battery paid for by consumers to sell services to National Grid, despite plans from the national regulator Ofgem to prevent distribution network operators (DNOs) from doing so in future.

India’s Central Electricity Authority (CEA) is debating how and whether to introduce a mandate for solar and wind projects above a certain size to be coupled with energy storage.

Ahead of Thursday, when Expressions of Interest will start being received, a tender for 400MW of renewables and 100MW of energy storage has already attracted ‘huge interest’ in Queensland, Australia.

Tenders for solar-plus-storage projects on French island territories including Corsica, Guadeloupe and Martinique have resulted in winning bids often 40% lower than the victors of previous reverse auctions.