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The fact that lithium-ion batteries experience degradation over time with use should not necessarily be a limiter for their widespread use in stationary storage systems, but requires long-term strategies for their management.
US utilities deployed more than 520MWh of energy storage on their networks in 2017, bringing the country’s cumulative installed capacity of grid-connected energy storage systems to over 1GWh, trade organisation Smart Electric Power Alliance (SEPA) has found.
The doors opened for Intersolar Europe/ees Europe this year. Here are some photographic highlights taken from the exhibition.
Enel has completed its first grid-scale stand-alone battery, becoming the latest developer in the UK to complete a project backed by an Enhanced Frequency Response (EFR) contract from the transmission system operator.
In the past week, developer RES Group has just got a front-of-meter battery project underway for a utility company in northern Germany, while storage system provider Tesvolt has just signed a deal with another utility in the European country to distribute energy storage behind-the-meter for commercial customers.
Utility NV Energy has awarded contracts in the US state of Nevada for over 1,000MW of renewable energy projects – including a 420MW-dc solar farm – and has also requested approval for 100MW of energy storage.
Hawaii’s position as one of the leading US states for energy storage deployment shows no sign of weakening as Hawaiian Electric Co last week announced 120MW of new battery storage across two projects in Oahu.
Virtual power plants (VPPs) can greatly increase the value of home energy storage systems for a range of stakeholders including grid operators, utilities and their customers, according to SolarEdge, which has just launched a VPP software platform.
Battery storage is a “necessity” for Hawaii to reach its 100% renewable energy by 2045 target, leading to electric cooperative KIUC becoming the top-ranked US utility for watts of energy storage deployed per customer in 2017.
Australia-headquartered engineering and professional services company WorleyParsons said its first EPC contract for a battery storage project in the US shows how the energy sector is moving from “mega projects” to “portfolios of smaller projects”.
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.
TEPCO, one of Japan’s national utilities and grid operators, will roll out home solar-plus-storage systems for its customers as part of a drive to create a renewable energy retail business.
EDF has set its sights on becoming a European leader in energy storage after announcing plans to invest €8 billion (~£7 billion) in deploying 10GW of new projects by 2035.
German energy giants E.On and RWE have reached an agreement on a major exchange of business activities, promising a significant shake-up of the duo’s energy interests.
A subsidiary of Enel is jointly developing a large-scale lithium-ion battery system project with wind power developer ENERTRAG, in what will be the multinational utility’s first energy storage project in Germany.
The CEO of ‘intelligent energy storage’ provider Stem Inc, has said a recently-awarded project in Japan will lean on business models the company has used in the US, while artificial intelligence (AI) technology makes that same transference possible.
The addition of energy storage has made a 1MW community rooftop solar project in Massachusetts viable, after a long-term PPA was secured with a local utility.
Centrica, one of Britain's so-called 'Big Six' energy suppliers, has received planning permission for a brace of battery energy storage units at its UK headquarters in Windsor with a combined capacity of 1MW set to be built at the site.
Major Japanese business and government entities have extended their involvement in energy storage with the announcement of the country’s first virtual power plants, an investment in a US frequency regulation project and partnerships on technology.
The tiny Caribbean island of Saba, a Dutch municipality apparently filmed in silhouette for the 1933 film adaptation of King Kong, is tendering for a utility-scale solar park coupled with battery energy storage.
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Eos Energy Storage has installed and commissioned a 1MWh Eos Aurora battery system at a wastewater treatment plant in Caldwell, New Jersey.
E.On has become the first company to have secured an Enhanced Frequency Response (EFR) contract in Britain last year to announce the completion of its project, following the installation and connection of a 10MW battery at a biomass plant last month.
As might be expected, California’s main utilities led the way in 2016 for US state-by-state deployment of energy storage, with Southern California Edison installing as much as 40% of the national total, according to a new survey.
News in brief from this week in energy storage around the world.
Canadian utility Alectra Energy Solutions, which has over a million customers in Ontario, will offer large-scale energy storage to commercial and industrial operations in its service area, having formed a partnership with developer AMP.
A distributed infrastructure subsidiary of Southern Company, one of the US’ biggest utilities, has formed a partnership with Advanced Microgrid Solutions (AMS) to execute behind-the-meter distributed energy projects.
Nevadan legislators have passed a number of bills to incentivise energy storage in the state for approval from governor Brian Sandoval.
Finnish power equipment firm Wärtsilä has immediately followed up its launch of hybrid and standalone energy storage systems with the acquisition of system integrator and software specialist Greensmith Energy Management Systems (Greensmith).
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.
EDF Renewable Energy has created a new business unit, Distributed Electricity and Storage (DES), which will focus on distributed solar and storage projects up to 30MW.