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Battery storage system security was on the high of the agenda for a lot of distributors and their prospects at ees Europe final week.

{The electrical} energy storage commerce occasion passed off alongside Intersolar Europe and different strands referring to electric autos (EVs) and different good and clear energy trade sectors and applied sciences, at Messe Munchen in Munich, Germany.

Whereas there have been many attention-grabbing merchandise on present and numerous large image matters mentioned – like the necessity for coherent policy strategies at EU level on energy storage and the continued provide chain crunch – numerous sources commented that the lithium battery storage trade’s must reassure stakeholders on the subject of fireplace security is paramount.

“As a way to actually play an necessary position in our energy and skill, future batteries must be protected. It’s dangerous for the trade if persons are involved about battery security,” Kai-Philip Kairies of battery analytics specialist ACCURE Battery Intelligence tells Energy-Storage.information.

ACCURE’s software program may help monitor and assess how batteries in EVs and battery energy storage techniques (BESS) are performing, how they’re growing old and the way safely they’re working. Of these three primary options of the analytics suite, security has gotten probably the most consideration recently, Kairies, a battery expert-turned startup CEO, says.

There have been some “excessive profile failures,” that embody the fireplace at Tesla’s Victorian Big Battery in Australia and the overheating incident at Moss Landing Energy Storage Facility in California: respectively the largest BESS tasks in Australia and the world.

Most just lately there was additionally hearth reported at a 10MW/40MWh BESS installed for utility Salt River Project (SRP) in Arizona. Germany’s dwelling energy storage system market can be quickly rising and Kairies says he is aware of of 5 fires at residential techniques reported up to now month alone.

Whereas fortunately it seems that nobody has been injured by any of these incidents they usually stay uncommon relative to the sheer volumes of battery storage being put in all over the world, nobody — least of all prospects or most of the people — will be taking them calmly.

Battery storage producer Saft has been delivering containerised techniques to international markets since 2010. It has by no means skilled any critical failures of apparatus which have precipitated fires, a monitor report that the corporate’s VP for improvements and options, Michael Lippert, stated it’s pleased with.

Nonetheless, there’s nonetheless a possible danger concerned and one ought to “by no means say by no means” relating to security assessments. Lippert says that for Saft, important security concerns wanted to be thought of holistically and in-built from the very begin of labor to design the corporate’s grid-scale battery product, Intensium Max.

A method through which Saft’s strategy might differ from its rivals is that the Intensium Max is a standardised, repeatable product that doesn’t basically change in design from venture to venture.

“From the very starting, we’ve got made a danger evaluation of any attainable danger. This consists of issues just like the impact of the cooling system, we’ll embody humidity resulting from condensation, for instance, which is a danger as a result of in a 1500 Volt system, any humidity can create leaking energy,” Lippert says.

“We make it possible for earlier than you open your [container] door, we set the temperature past the condensation level. So, there are various issues we’ve got thought by to start with in the direction of [enhancing] functionalities, but in addition security.”

Saft’s system design integrates a mixture of detection techniques, hearth suppression and hazard administration that Lippert claims is “fairly distinctive on this planet”.

Intensium Max, the constructing blocks of all Saft’s tasks, comprises two unbiased hearth suppression techniques. The corporate has additionally realized, from seeing incidents happen at different makers’ tasks, that there’s a want for administration of the gases that may trigger explosions if constructed up inside containers.

“We pay lots of consideration to creating positive that the operator, but in addition hearth brigades that may intervene are aware of these gadgets they usually have the instruments to make the suitable resolution. Which suggests they don’t must open the container to see what is occurring, they’ve the coaching, they usually have the diagnostic instruments outdoors to see the temperature, to see whether or not there’s an explosive environment.”

Evolving security applied sciences

INTILION, a battery storage producer headquartered in Germany, was unveiling a brand new prototype BESS for the business and industrial (C&I) market, with an inbuilt hearth security function.

The numerous benefits that lithium-ion batteries have, additionally include “attribute hearth and explosion dangers,” which imply a lithium hearth can’t be extinguished, INTILION product supervisor Martin Peters says.

There are three primary causes of fires: electrical dangers from overvoltage, overcurrent or overheating, thermal dangers from excessive temperatures outdoors the battery system and mechanical dangers that come from bodily injury or manufacturing defects which may’t be readily recognized externally.

“Perhaps over time of utilization, you’ve gotten some points within the cells. Dendrites on the plates may very well be growing, resulting in a cell inner brief circuit, which then results in thermal runaway after which propagation.”

Within the German market, battery techniques for indoor use want to fulfill certification requirements set by VDE. These embody necessities that no hearth can unfold or propagate between neighbouring battery modules and that there ought to be no flames outdoors the module.  

INTILION has designed an extra housing to go round every module, with calculated air channels that route any gases launched in an outlined method. The gasoline is subsequently compressed sufficient to not be flammable, and the gases are vented from the entrance of the unit.

The prototype has been licensed by a laboratory in Germany. Peters says the fireplace danger from lithium batteries can’t be utterly eradicated, however the injury will be restricted to only one module. The INTILION system additionally features a tray to gather any leaked electrolyte, stopping contamination of groundwater.

As soon as techniques are literally within the subject, battery knowledge will be an efficient instrument in preventive upkeep, ACCURE’s Kai-Philipp Kairies says.

“Each battery has a BMS, a battery administration system, that generates some knowledge like voltage, present and temperature and we use that knowledge to mainly reverse engineer what’s taking place inside the battery,” Kairies says.

There are particular “interior states” of battery well being that may’t instantly be measured, will be calculated. Relying on how these interior states develop over time, ACCURE is ready to choose if a battery module or cell’s efficiency is wholesome, and much like the remainder of the pack.

If the analytics software program signifies that one battery reveals indications of plating, for instance, that battery will be pulled out of operation earlier than it turns into harmful. With over 1.5GWh of property beneath administration throughout the EV and ESS sectors, ACCURE proves this may be performed at scale, Kairies says, making certain the security of this and the subsequent era of lithium battery storage techniques.



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Some European gigafactory projects ‘revising plans’

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Some anticipated lithium-ion battery gigafactory tasks in Europe are quietly revising their plans and should not open in any respect, based on the pinnacle of energy storage for analysis and consulting firm Delta-EE.

Delta-EE just lately forecasted that the European battery energy storage system (BESS) market would plateau over 2024-27 after three years of sturdy development in deployments as a consequence of lithium-ion provide chain constraints.

“The limiting issue is lithium provide – some anticipated gigafactories are quietly revising their plans and should not open – and demand for batteries from EVs,” Jon Ferris, Delta-EE’s head of flexibility and storage instructed Energy-Storage.information when requested for extra particulars on its forecasts.

Ferris identified that the annual figures in that interval are nonetheless anticipated to be fives occasions’ greater than 2020 deployments. A part of the gulf in deployment development from 2021-23 and 2024-27 is the previous interval together with tasks postponed throughout Covid.

Europe is generally agreed to be far ahead of the US relating to getting lithium-ion battery gigafactory developments financed and launched.

South Korea’s LG Energy Answer just lately introduced it was re-assessing a US$1.3 billion funding in an Arizona, US, manufacturing facility as a consequence of ‘unprecedented’ financial situations. No such bulletins from main tasks have surfaced in Europe just lately however record-high inflation may make this extra doubtless.

Simply final week, Norwegian startup FREYR Battery announced it would go ahead with construction of the primary of a pipeline of almost 100GWh of manufacturing amenities.

Alongside the ramp-up of Europe’s home lithium-ion battery manufacturing capability, the pick-up in deployments from 2028 onwards that Delta-EE is anticipating could also be helped by different battery applied sciences.

“Options to lithium which can be much less suited to mobility (sodium, zinc, iron and many others) are prone to change into extra aggressive for stationary storage, whereas non-battery storage can be rising (from a small base),” Ferris mentioned.

He added that he anticipated movement batteries to search out aggressive niches that may contribute to the pick-up in development, however didn’t count on the provision of second life batteries to materially affect forecasts till the 2030s.

Talking on the findings extra usually, Ferris added: “Nice Britain and Germany are main the best way, however their wants may improve as renewables targets are revised upwards. As a peninsula, Spain is prone to require additional development, particularly if rising temperatures pressure the reliability of pumped hydro.”



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Intersect Power raises US$750m for renewables, storage and hydrogen

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Intersect Power raises US$750m for renewables, storage and hydrogen


Utility-scale renewables developer Intersect Energy has secured US$750 million in funding to take its portfolio of renewables, energy storage and green hydrogen initiatives past 8GW.

The expansion fairness funding will speed up the developer’s entrance in new markets and applied sciences, together with 1GW of green hydrogen manufacturing, and greater than trebling its mid-to-late stage portfolio to eight.5GWp of renewables and 8GWh of co-located storage pipeline within the US.

Its present pipeline of {solar} PV initiatives in development sits at 2.2GWp, whereas its co-located storage pipeline stands at 1.4GWh, all of which is about to be operational by 2023.

The funding was led by local weather investor TPG Rise Local weather with extra participation from present buyers Local weather Adaptive Infrastructure and Trilantic Energy Companions North America.

Intersect stated the brand new financing will allow it to proceed specializing in securing shorter offtake contracts mixed with large-scale battery storage and green hydrogen manufacturing.

As a part of the funding, Ed Beckley, Steven Mandel and Maryanne Hancock, all three representing TPG Rise Local weather will be part of Intersect Energy’s board of administrators.

In November 2021, Intersect Energy secured US$2.6 billion in financing for the development and operation of a portfolio of two.2GWdc {solar} and 1.4GWh of co-located storage initiatives in California and Texas.

Pine Gate Renewables, D.E. Shaw increase US$900 million between them

Up to now week or so, two different main fund raises have been achieved by US corporations growing utility-scale renewables, with an curiosity in {solar} PV and energy storage.

Sustainable infrastructure funding agency Generate Capital has invested US$500 million in US developer Pine Gate Renewables to help its utility-scale {solar} enlargement.

The funding will likely be divided into US$200 million in fairness funding and US$300 million in long-term asset partnership to finance {solar} initiatives. As a part of the funding, Generate Capital will be part of the board of administrators of Pine Gate.

The {solar} and energy storage developer at the moment operates greater than 1GW of renewable energy initiatives.

Furthermore, it has a pipeline of 20GW in energetic improvement throughout the US and has raised over US$1 billion in company and mission capital financing within the final six months.

Readers of Energy-Storage.information will be aware that this 12 months, Pine Gate Renewables has signed Memorandum of Understanding agreements for a number of gigawatt-hours of non-lithium energy storage applied sciences: nickel-hydrogen battery storage from startup Enervenue, and with zinc-based battery storage firm Urban Electric Power.

D.E. Shaw Renewables Investments (DESRI) has secured as much as US$400 million in new capital finance to help its US renewables technique.

The impartial energy producer has turned to funds managed by asset administration group Harbert Infrastructure for the finance, together with Gulf Pacific Energy and Harbert Infrastructure Fund VI, with all financing for use at DESRI’s discretion.

DESRI at the moment has a portfolio of renewable property totalling 6GW, comprising initiatives on the operational, beneath development and contracted phases of improvement.

The group’s investments in energy storage thus far have included a solar-plus-storage mission in California because of come on-line in 2024, for which it signed a 200MW/400MW combined power purchase agreement (PPA) with Sacramento Municipal Utility District (SMUD), Energy-Storage.information reported in March.

It’s also growing the Arroyo {Solar} and Storage mission in New Mexico, which mixes 300MWac of {solar} PV with a 150MW / 600MWh battery energy storage system (BESS) and have become Wells Fargo’s first tax equity investment into the US solar-plus-storage market late final 12 months. Arroyo will assist utility Public Service Firm of New Mexico hold serving prospects after the forthcoming closure of its San Juan Producing Station coal plant, along with other solar-plus-storage resources.

DESRI financier Harbert in the meantime is not any stranger to energy technology, having investments in energy property totalling 7GWac of technology capability.

This story first appeared as separate objects concerning Intersect, Pine Gate Renewables and DESRI on our sister website PV Tech.

DESRI piece by Liam Stoker.



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VPPs in Calif., microgrids in Nigeria, Nissan 2nd life

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VPPs in California from MCE and PG&E/Tesla

Digital energy plant (VPP) programmes are being launched in California by non-profit renewable electrical energy supplier MCE Clear Energy and investor-owned utility PG&E with Tesla.

MCE’s VPP programme will launch in 2025 within the metropolis of Richmond. It’ll see the corporate set up sensible, clear energy applied sciences in as much as 100 properties and business and industrial (C&I) websites to create a community of digitally-connected distributed energy assets (DERs).

These will embody energy storage, sensible thermostats, rooftop {solar}, warmth pump area and water heating and EV charging. MCE will use the options to shift load out of the 4-9pm peak demand hours, decreasing buyer payments in addition to pressure on the grid.

The venture has acquired US$3 million from the California Energy Fee and can also be going to make use of the Metropolis of Richmond’s Social Affect Bond.

In the meantime, PG&E and Tesla are launching a VPP programme which can combination PG&E prospects’ Powerwall dwelling energy storage methods, of which there are some 50,000.

It’ll additionally goal the 4-9pm peak demand interval together with the summer time season, working between Could 1 and October 31. Taking part Powerwall house owners might be paid US$2/kWh for exporting energy to the system. Some reserve might be saved within the items in order that householders can proceed to make use of the batteries in case of grid outages.

It’s a part of the Emergency Load Discount Program (ELRP) accredited by by the California Public Utilities Fee (CPUC) final December to assist stop blackouts throughout peak demand hours with with 2-3 GW of recent assets and incentives to scale back utilization.

It isn’t PG&E’s first foray into VPPs, with the corporate having launched a pilot aggregating 100 solar-plus-storage dwelling methods with technology providers Sunverge and LG Electronics last year. The programme mixed LG’s energy storage methods and Sunverge’s DER software program platform.

Monetary shut on colocated venture with 50MWh BESS in California

Leeward Renewable Energy has closed debt and fairness financing totalling US$121 million for a 100MW {solar} PV, 20MW/50MWh energy storage venture in Kern County, California.

Banks Wells Fargo, MUFG and Silicon Valley Financial institution are offering US$58.5 million in Green Mortgage development financing whereas J.P. Morgan is offering a US$62.5 million tax fairness funding, a type of funding additionally recently used by a renewables platform backed by private equity firm TPG.

The Rabbitbrush {Solar} Facility, which includes a 2.5 hour battery energy storage system (BESS), is predicted to start out operations in August 2022.

Energy generated by the power might be supplied to non-profit neighborhood alternative aggregators (CCAs) Central Coast Group Energy (CCCE) and Silicon Valley Clear Energy (SVCE) by means of two beforehand introduced 15-year energy buy agreements (PPAs).

Initiative to supply microgrids for 2 million Nigerians launched

Husk Energy Programs, an organization specialising in microgrids in Africa and Asia, has introduced a brand new initiative to construct 500 microgrids in Nigeria by 2026.

The “Nigeria Sunshot Initiative” goals to supply two million Nigerians with dependable, renewable energy by 2026 from solar-hybrid microgrids.

The corporate quoted authorities information saying that {solar} microgrids characterize the bottom value possibility for 8.9 million of the 19.8 million further grid connections the nation wants for common electrification. Husk stated it will probably present 5%, or 400,000, of these connections below its initiative.

The programme has the potential to take 25,000 diesel and gasoline mills offline and electrify 700 public well being clinics, 200 personal hospitals and 100 public faculties.

Husk just lately dedicated to constructing 5,000 microgrids globally by 2030 in a 2022 UN Energy Compact.

Nissan launching second life battery venture in Tennessee

Automative group Nissan is partnering with a number of Tennessee-based organisations to construct two BESS initiatives utilizing second life batteries at its headquarters within the metropolis of Franklin.

The Japanese conglomerate is partnering with non-profit energy options firms Center Tennessee Electric, Seven States Energy Company and the College of Tennessee-Oak Ridge Innovation Institute on the venture.

Battery packs type Nissan’s LEAF electric car (EV) might be used to assemble the BESS items. The packs might be assembled in modular, scalable storage methods to supply supplemental energy provide and peak demand shaving for Nissan’s amenities.

Energy-Storage.information just lately did an in-depth interview with an organization specialising in second life software BESS initiatives, UK-based Connected Energy, which you can read here.



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