While lithium-ion batteries get most of the headlines, long-duration solutions of various types are gaining ground. Alice Grundy and Andy Colthorpe profile some of the established and emerging concepts in this increasingly important field.
Financing is being lined up for Chile to deliver a colossal solar-plus-storage installation in the Atacama desert, paving the way for construction to start next year.
Electrical and heat storage using specially nanocoated salt (NCS) could be economically competitive with pumped hydro, SaltX has said, with a large-scale demonstration facility inaugurated in Berlin, Germany.
The development of systems capable of storing over six hours of energy economically is being supported in New York with an Innovation Challenge launched by the New York Power Authority (NYPA) and Urban Future Lab, a cleantech innovation centre.
Liquid air energy storage (LAES), so far only deployed at scale at two sites in England, will be available in a number of new territories after manufacturer Highview Power signed a deal claimed to be worth €1 billion (US$1.12 billion).
Snap poll to decide whether goal to add 3.5GW in pumped storage capacity and 2.5GW in batteries in little longer than a decade becomes hard law.
China’s State Grid Corporation will build 6GW of pumped hydro storage as part of ongoing efforts to cut rates of wind and solar power curtailment.
The US Department of Energy (DOE) has announced that it will provide assistance to “techno-economic” studies for two pumped storage hydropower plants, with a combined generation capacity close to 2GW.
In order to address intermittency in its grid, the South Australian Government has introduced a AU$50 million (US$36 million) Grid Scale Storage Fund (GSSF) to help accelerate the deployment of new large energy storage projects, including pumped hydro, hydrogen, gas storage, solar thermal, bioenergy and battery storage.
Minister for Energy Dr Megan Woods attended an event to officially inaugurate the first grid-scale battery energy storage system in New Zealand, hosted by energy retailer and project owner Mercury Energy.
Hyderabad-headquartered firm Greenko Energies has received state government approval for a huge renewable energy project involving 1GW of solar, 550MW of wind and 1.2GW of pumped energy storage in the Indian state of Andhra Pradesh.
An inauguration event was held last week to unveil a new battery energy storage system combined with pumped hydro storage in Bavaria, Germany, after multi-national utility Engie completed work on the project.
News in brief from around the world of energy storage.
British vertically-integrated utility Scottish Power has come under scrutiny from the demand side response (DSR) sector after proposing to national regulator Ofgem that de-rating factors applied to large scale battery storage should be extended to those used to provide DSR in the Capacity Market.
Energy storage in the state of South Australia has continued its prolific pace of development with the announcement of two new grid-scale projects and a sizeable commercial and industrial (C&I) installation.
The potential for a 400MW/2,500MWh pumped hydro energy storage site is being investigated in Dubai.
New Zealand’s small handful of advanced energy storage systems will be added to with the NZ$2 million (US$1.45 million) trial deployment of a grid-scale Tesla Powerpack 2 by energy generator and retailer Mercury.
Hospitals, schools and railways in South Australia will be powered by an electricity retailer started up by billionaire steel trader Sanjeev Gupta, following the signing of an agreement between the state government and Gupta’s SIMEC ZEN Energy.
Melbourne-headquartered mining giant BHP, in partnership with the Rocky Mountain Institute (RMI), has projected 500MW of potential capacity combining solar, wind and energy storage at its old North American mining sites.
ZEN Energy’s newly appointed chairman has said he believes there is a “great future for energy-intensive industries in Australia,” as his company approved a 1GW plan for dispatchable renewables aimed at South Australia’s commercial and industrial sector.
The world’s tallest wind turbine to date, under construction at a German wind farm, will be paired with 70MWh of pumped hydro energy storage onsite.
While headlines about energy storage in Australia have been dominated by news of batteries in large-scale utility projects and the residential sector, the country’s government and renewable energy agency have identified numerous possibilities for developing pumped hydro storage assets.
Swiss utility and power distribution company EKZ (Elektrizitätswerke des Kantons Zürich) is building a grid-balancing and renewables integrating 18MW / 7.5MWh energy storage system and has appointed NEC Energy Solutions to execute the project.
Australian energy firm Genex Power has received first-round board approval from the Northern Australia Infrastructure Facility (NAIF) for potential debt funding of its 270MW solar PV and 250MW pumped hydro projects, that are part of the Kidston Renewable Energy Hub, in Northern Queensland.
Potential developers for a 500MW pumped hydropower energy storage facility at a reservoir in San Diego have until mid-September to respond to a request for proposals (RfP).
A proposed 500MW pumped hydro energy storage facility in the Philippines will be designed and constructed by Power Construction Corporation of China (POWERCHINA), which will also carry out procurement duties.
O&M analytics software provider QOS Energy has delivered its energy management system to an R&D project run by French aggregator Sun’R Smart Energy’s examining grid integration of renewables using pumped hydro storage.
A consultancy contract for a 250MW pumped hydro energy storage plant in Dubai has been awarded to French power company EDF by the emirate’s main public infrastructure company.
A 500MW energy storage facility with “5-8 hours” storage duration could be built in San Diego, California, with a local water authority seeking detailed proposals for such a project to support the grid and help integrate renewable energy.
Queensland-based developer SolarQ is planning to build a 350MW(ac) solar plant combined with a ground-breaking 4,000MWh of lithium-ion battery storage in the Gympie Region of Queensland, Australia.