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Amazon has signed cross-portfolio energy buy settlement (PPA) offers with AES Company for California clear energy sources.

The logistics, supply and internet companies behemoth stated on 5 Could that it has entered two PPAs with energy firm AES for renewable energy sourced from {solar} and battery energy storage system (BESS) property within the CAISO service territory.

Energy from a complete of 450MW of {solar} PV and 225MW of four-hour length BESS (1,200MWh) will probably be offered.

The announcement comes as Amazon targets powering its enterprise from 100% renewable energy by 2030. The corporate simply added one other 3.5GW of renewable energy procurements in mid-April, together with two large-scale solar-plus-storage tasks, one in Arizona and one other in California.

For AES, the PPAs are a part of a significant tranche of 5GW of such agreements that have been brokered throughout 2021. AES stated that it has already contracted with Fluence to ship one of many battery tasks included within the Amazon offers – AES is part-owner of the worldwide energy storage system integration and clear energy companies firm.

AES president and CEO Andres Gluski stated Amazon Internet Companies (AWS) knowledge centres will probably be among the many amenities powered by the {solar} and batteries. AES has just lately additionally been working with Google to offer renewable energy to the search engine firm’s knowledge centres, together with from wind farms in Chile for Google’s first knowledge centre in Latin America.

Fluence additionally provided the BESS to Google’s pilot venture at its Saint-Ghislain knowledge centre in Belgium, which could serve as a replicable model for rollout elsewhere in the world.

Fluence and AWS in mutually useful collaboration

In a separate announcement additionally made final week, Fluence stated that it’ll leverage AWS’ cloud computing capabilities to assist each {hardware} and software program platforms.

Fluence’s suite of companies has broadly expanded prior to now yr or two to embody a spread of energy storage and renewable energy optimisation applications and the corporate stated AWS’ applied sciences, significantly in machine studying might assist the event and growth of those.

Fluence famous that along with supplying BESS tools to AES’ tasks for Amazon, AES may also use the Fluence IQ Bidding utility to optimise the batteries’ utilisation and dispatch.

Amazon’s internet companies arm might obtain 100% renewable energy by 2025, 5 years sooner than the remainder of the group by utilising renewables and storage which might be optimised by Fluence’s digital companies, AWS energy and utilities common supervisor Howard Gefen stated.

Elsewhere, AES’ Bulgarian subsidiary has simply signed a Memorandum of Understanding (MoU) with Bulgaria’s government to discover the development of co-located solar-plus-storage and standalone BESS within the European nation.



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Akuo commissions largest BESS projects in Tonga and Martinique

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Akuo Tonga Martinique battery storage


French renewable energy producer and developer Akuo Energy has commissioned a 29.2MWh battery energy storage system (BESS) in Tonga, a number of weeks after powering up a 19MWh mission in Martinique.

The Tonga 1 and Tonga 2 storage programs are on Tongatapu, the primary island within the archipelagic South Pacific nation, and hook up with the grid of public operator Tonga Energy Restricted.

The 2 whole 16.5MW of energy and 29.2MWh of energy making this the most important BESS within the South Pacific, Akuo stated. Each particular person programs comprise Akuo’s Storage GEM modular containerised answer, three for Tonga 1 and 5 for Tonga 2.

Tonga 1 is a 9.3MW/5.3MWh designed to enhance grid stability, with a period of simply 34 minutes. Tonga 2 is a 3.3-hour system with 7.2MW/23.9MWh of energy, designed primarily for load shifting.

They’ve already allowed Tonga to double its renewable energy capability with the latest addition of 6MW in {solar} PV energy, bringing the nation’s renewable combine to round 20%. It goals for 70% by 2030.

The BESS additionally demonstrated its resilience throughout a tsunami in January which devastated the shoreline and lower the nation off from the skin world. The BESS continued working and helped stabilise the grid within the days following the pure catastrophe.

The 2 tasks totalled US$53 million in funding, of which 56% was from the UN’s Green Local weather Fund, 23% from the Asian Growth Financial institution, 10% from the Tongan authorities, 6% from Tonga Energy and 5% from the Australian authorities.

Largest storage system in Martinique

The announcement comes a month after Akuo commissioned a 19MWh BESS on the French abroad territory of Martinique within the Caribbean, though the press launch stated its contractual efficient quantity is 12MWh.

The Madina Storage facility additionally makes use of Akuo’s Storage GEM containerised options and is a lithium-ion-based BESS (Akuo didn’t reveal the chemistry for the Tonga facility).

The BESS linked to the island’s grid, operated by French state-owned energy firm EDF, will allow higher penetration of renewable energy. It would present load shifting capabilities in addition to grid frequency regulation providers within the occasion of a sudden lack of energy.

French business financial institution Groupe BPCE was the power’s banking associate whereas listed funding agency Methanor offered it with fairness financing.

Eric Scott, chairman and co-founder of Akuo, stated: “We’re very proud to place this storage facility into service, proof if it have been essential of the important thing position this expertise performs in energy networks’ efficiency and of its complementarity with the manufacturing of renewable energy.”

Akuo was based in 2007 by the founders of Excellent Wind after they bought their complete wind portfolio to Spanish multinational electric utility Iberdrola. The corporate won solar tenders on French overseas territories last year and has invested €2.8 billion (US$3 billion) for a complete capability of 1.4GW renewabele energy capability (operational or in improvement).



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Trina Storage-Power Electronics partnership targets 1GWh BESS deployments by end of next year

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Trina Storage-Power Electronics partnership targets 1GWh BESS deployments by end of next year


Trina Storage, the energy storage division of {solar} PV producer Trina {Solar}, has shaped a partnership with {solar} inverter producer Energy Electronics to collectively deploy battery storage.

The vertically-integrated Chinese language PV firm – a member of the ‘Solar Module Super League’ of main producers as coined by our colleagues over at PV Tech – mentioned at present that it’s going to deploy over 1GWh of battery energy storage system (BESS) installations by the top of 2023 that are built-in with Spain-headquartered Energy Electronics’ PCSK inverters.

The 2 firms signed a letter of intent (LOI) for the settlement to hold out the deployments collectively ultimately week’s Intersolar Europe present in Germany.

On the occasion, Trina Storage was showcasing Elementa, its grid-scale BESS resolution and launching it officially to the mainland European market, though it has already been utilized in a efficiently commissioned 50MW BESS project in Cambridgeshire within the UK.

The corporate mentioned a US launch is coming quickly.

Elementa is a fully-integrated and modular resolution designed for simple plug and play set up. It contains a standardised design outfitted with lithium iron phosphate (LFP) battery cells and liquid cooling expertise. Trina Storage is presently constructing out 3GWh of annual LFP cell manufacturing capability at services in China.



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Structure & offtake challenges for UK’s 7.2GW co-located storage pipeline

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Structure & offtake challenges for UK's 7.2GW co-located storage pipeline


Co-located storage is prone to develop as a proportion of the UK market with 7.2GW of tasks within the pipeline, however structuring offers and offtake agreements presents a fancy problem in response to a venture developer.

The pairing of {solar} or wind with storage is at a reasonably early stage within the UK. Lower than 10% of its 1.7GW of operational battery energy storage methods (BESS) is co-located with wind or {solar}, totalling 158MW. And most present co-located storage tasks have two separate grid connections with a restricted quantity of shared infrastructure.

However there are 317 tasks totalling 7.2GW co-located with {solar} or wind within the improvement pipeline, round one fifth of the entire (figures from {Solar} Media’s UK Battery Storage Projects Database).

Undertaking builders are more and more taking a look at creating websites which share grid capability however this presents a myriad of complicated challenges together with structuring offtake agreements, as our supply – an worker with a senior administration duty for energy storage at a serious worldwide renewables and storage developer – defined, talking anonymously.

Grid connection queue

“Clearly, you want the import capability for battery storage. That’s a little bit of a problem, as a result of retrospectively including import capability to your present grid software may put you additional again within the queue, which isn’t a great place to be in,” they stated.

“With the intention to maximise the return on funding of a co-located venture the battery must pursue numerous income streams which depend upon grid import capability. Let’s say you have got already a PV venture in improvement and have a grid connection supply. Then you definitely wish to add storage and request extra import capability. Relying on the DNO and particular connection this might considerably delay the connection date and improve the quantity of forecasted curtailment. So you have to be properly privy to the right way to strategy this matter”. 

SPV construction

The second query when creating a co-located venture is deciding the right way to construction the deal into particular goal automobiles (SPVs), difficult by the actual fact you have got two property plus a grid connection, as our supply defined.

“There are principally two choices: you may have the grid connection, {solar} and storage multi functional single SPV which lets you optimise the plant extra holistically by for instance saving capex on infrastructure and know-how gear and likewise to cost the battery from {solar}. Or, if you wish to have doubtlessly two totally different homeowners for PV and battery you’d most likely have three SPVs. One grid SPV which offers capability to the PV SPV and the battery SPV.” 

co-located storage
Co-location with wind (pictured) is prone to grow to be extra prevalent in future within the UK because the market’s priorities shift to extra energy-based functions. Picture: Fluence.

Offtake settlement

However the offtake settlement is the actually difficult half, our supply defined, and above all must be as easy and de-risked as attainable for the longer term long-term proprietor.

“You’re combining the standard utility world of 5 or 10 yr energy buy agreements (PPAs) for the PV with AI algorithm-based totally automated buying and selling and bidding methods introduced by small startups for the BESS and the query is the right way to work that out,” they stated.

“From the venture SPV authorized entity perspective, you don’t need two unbiased contracts which then need to battle for the grid connection after which if one thing goes mistaken finger pointing begins, proper? From the long run proprietor’s perspective, this isn’t engaging. So you have to discover a manner that duties and all what-ifs and potential dangers are very clarified and minimised.”

“Ideally, you have got one celebration who provides you one contract providing each; is in-house able to providing you with a long run mounted PPA worth, with the in accordance steadiness sheet or credit score worthiness to again this, but in addition is ready to do the flowery new AI stuff with batteries to create revenues on the flexibleness aspect.”

This mix a minimum of within the UK market is considerably uncommon, they added, and so that you sometimes have to discover a mixture of gamers who supply a mixed contract. Energy-Storage.information has not too long ago interviewed among the predominant BESS optimisers on the market like Habitat Energy and Flexitricity that take property into market on behalf of their shoppers.

Our supply: “There are normally two predominant choices: you may go and choose your two most well-liked events from each worlds and have them working collectively on the identical grid connection. They then additionally have to have to ascertain agreements between one another.”

“One key danger to take care of here’s what if one of many two events falls away which obligations and pursuits does the opposite celebration have to interact with a alternative celebration as shortly as attainable to make sure you don’t have a stranded asset? It’d look much less dangerous to have a single path to market supplier who takes on each PV and storage, however then you’re doubtlessly not in a position to choose the perfect of each worlds.”

Most co-located storage tasks pair with {solar} PV as wind requires rather more biking and likewise a a lot bigger battery. Anesco has delivered a number of giant co-located tasks whereas BayWa r.e. acquired tasks from Concord Energy and JBM in April 2022 and July 2021, respectively.

Co-location with wind might are available just a few years when the market strikes extra in direction of energy buying and selling, our supply added. Some 80-85% of BESS revenues are nonetheless from grid ancillary providers according to Gore Street Capital, one of many main traders available in the market.



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