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‘Progressive long-duration storage know-how’ from Lockheed Martin might be deployed on the US Military’s Fort Carson in Colorado.

A megawatt-scale unit of the aerospace and protection know-how firm’s GridStar Circulate stream battery energy storage system will present again up energy in case of grid outages and cut back fossil gasoline consumption on the facility.

The system might be 1MW/10MWh, enabling 10-hours discharge of saved energy at 1MW output. Lockheed Martin mentioned yesterday that the battery system might be examined over a interval of about two years according to protocols developed by Pacific Northwest Nationwide Laboratory (PNNL), one of many US Division of Energy’s nationwide labs and in a tailor-made programme created with native utility Colorado Springs Utilities.

It’s the largest set up so far of a long-duration energy storage (LDES) know-how at a US army website. Lockheed Martin expects to interrupt floor on the challenge later this yr, with building to final about eight to 9 months.

The Forces have already got a lot of lithium-ion battery methods, together with a 4.25MW/8.5MWh battery energy storage system (BESS) at Fort Carson which itself was supplied by Lockheed Martin in 2019 however exams of methods at longer discharge durations have been restricted to a lot smaller stream batteries, with differing electrolyte chemistries to GridStar Circulate.

Circulate batteries provide distinct benefits over lithium-ion for a number of causes, a few of that are significantly relevant to the army’s wants for the challenge and at different ‘mission vital’ amenities, Lockheed Martin enterprise growth director Roger Jenkins mentioned in a web based briefing for journalists.

“With lithium-ion, the ability and energy are fused collectively in a single bundle. If you wish to have longer length lithium above 4 hours [discharge duration] you’re mainly shopping for energy capability you don’t want, that’s redundant,” Jenkins mentioned.

“With stream you possibly can separate the megawatts and the way lengthy you want them for by sizing the electrolyte tanks.”

The stream battery may also be operated far more flexibly, Jenkins mentioned. Whereas some care must be taken over a lithium BESS’ operation, from how deeply it’s discharged to how ceaselessly the operator switches it from charging to discharging.

“In the event you get exterior sure operational parameters there’s potential to break the battery. We don’t have that; the [flow battery] electrolyte shouldn’t be topic to break primarily based on the way it’s run.”

With liquid electrolyte storing energy handed by means of a membrane from one tank to a different, managed by the cell stacks housed in 4ft to 6ft packing containers, the separation additionally means there’s little degradation of cells or electrolyte even over a few years and 1000’s of cycles of the stream battery.  

Military facilities have exacting requirements for their power needs, significantly as they should preserve lots of their methods operating even throughout outages that may very well be attributable to excessive climate and even cyberattacks.

On the identical time, funding to put in or examine resiliency measures stays restricted. The Lockheed Martin stream battery might be put into market participation throughout regular working instances to assist get monetary savings or earn revenues. In the meantime, its interplay with a 2MW {solar} PV array on the base may very well be tried out too and the US Military additionally intends to put in extra {solar} there.

Electrolyte chemistry stays prime secret

The know-how has been in growth since 2014 when Lockheed Martin acquired SunCatalyx, a stream battery firm which was spun out of the labs at MIT. The corporate started hinting at a launch from round 2017 though it had at all times mentioned its launch date would be flexible based on achievement of development goals.  

Then, in 2020, the corporate started the primary take a look at of the product at scale, building the 500kW/2,500kWh unit pictured above, at a analysis lab facility in Andover, Massachusetts.

Nevertheless, one factor Lockheed Martin continues to maintain underneath wraps is the chemistry of the battery electrolyte. That “stays a key element of our IP,” Jenkins mentioned, including it will be revealed solely to prospects underneath NDAs.

Even looking back at 2014 reports on Sun Catalyx’s acquisition, the one hints offered are that the electrolyte materials is claimed to be “benign” and made with considerable materials. Jenkins repeated that declare and mentioned that in comparison with another stream batteries, the electrolyte is cheaper.

He added that vanadium used as electrolyte in vanadium redox stream batteries (VRFBs) is dissolved in acid, which leads to put on and tear on stability of plant (BOP) gear like pumps and energy stack parts, which once more he claimed shouldn’t be relevant to GridStar Circulate’s electrolyte.

The essential, benign chemical nature of the electrolyte implies that BOP gear may very well be made with “off the shelf pipes you may purchase at Dwelling Depot, you don’t want costly supplies,” Jenkins mentioned.  

The ‘secret chemistry’ technique shouldn’t be dissimilar to that of one other main engineering and tech firm, Honeywell, which is also rolling out a flow battery that it claimed makes use of considerable, environmentally-friendly – and undisclosed – materials in its electrolyte.

The intention is {that a} additional roll out throughout US Navy websites will observe if the Fort Carson challenge is profitable. One other challenge Lockheed Martin has deliberate with renewables developer TC Energy in Canada will be much larger at 6.5MW/52MWh and co-located with a {solar} farm in Alberta.

Learnings from these initiatives after roughly their first two years of operation will assist put collectively a industrial providing for the broader grid market.

“From what we study from each of these models, we’ll be ready to exit into the broader industrial market with efficiency ensures and warranties and all the different belongings you’d count on from a fully-commercial product,” Roger Jenkins mentioned.

Commercially, a “candy spot” set up dimension is likely to be 10MW/100MWh, for industrial purposes reminiscent of pairing with grid-scale {solar} PV or wind, or to behave within the place of a peaking energy plant unit, in line with the Lockheed Martin consultant.



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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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Australia’s National Electricity Market ‘needs 46GW/640GWh of dispatchable energy storage by 2050’

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Australia’s National Electricity Market ‘needs 46GW/640GWh of dispatchable energy storage by 2050’


Forecasted NEM capability to 2050 below AEMO’s Step Change situation. Supply: AEMO.

Because the function of coal declines and ends in Australia’s Nationwide Electrical energy Market (NEM), enormous development in dispatchable energy storage capability can be wanted within the combine, together with different applied sciences.

The Australian Energy Market Operator (AEMO) has this week launched its Built-in System Plan (ISP) which presents a 30-year roadmap for dependable and more and more low carbon-based operation of the NEM, which AEMO oversees and runs.

Because the share of {solar} PV and wind that are each variable sources of technology – grows within the NEM’s technology combine, different assets are wanted to combine that capability and stability the grid.

AEMO famous that as of as we speak, about 23GW of dispatchable agency capability comes from coal-fired technology and 11GW from gasoline and different liquid fuels. An extra 7GW is sourced from hydroelectric excluding pumped hydro energy storage (PHES) and simply 1.5GW from dispatchable energy storage, a class that features each batteries and PHES.

By 2050, the firming capability wanted will should be met with out coal, using which isn’t solely incompatible with Australia’s local weather and environmental targets however can also be turning into much less and fewer economically aggressive throughout the NEM’s constructions.

That latter pattern is about to proceed with ongoing market reforms that favour faster-responding and clear assets like storage and inverter-based renewables, from some already carried out, like five-minute settlement (5MS) intervals to others like distributed energy useful resource (DER) integration and congestion administration measures, that are being thought of.

AEMO foresees a firming capability combine by 2050 that features:

  • 46GW/640GWh of dispatchable energy storage
  • 7GW of present non-PHES hydro
  • 10GW of gas-fired peak masses

Apparently, AEMO expects a big majority of the dispatchable storage to come back from distributed-level storage assets that would embody digital energy crops (VPPs), vehicle-to-grid (V2G) and different rising applied sciences.

This comes largely off the again of already-high and regularly rising uptake of rooftop {solar} PV throughout most of Australia and AEMO famous that it’ll develop into extra frequent to put in dwelling {solar} with battery storage than with out.

Round 31GW of the forecasted want for storage can be met by distributed assets, with about 16GW of utility-scale batteries and pumped hydro.

It appears probably nonetheless that given the capability given in MWh figures would lengthen storage length to greater than 10 hours on common, a better proportion of megawatt-hour capability would come at bulk, or utility-scale areas.

Within the shorter time period, the ISP additionally highlights some instantly actionable proposed initiatives. Massive-scale transmission infrastructure buildout initiatives compromise that checklist.

A few of these transmission funding plans embody energy storage: one is a transmission hub for New South Wales which might allow the state government’s Waratah Super Battery venture and 1,500MW of interconnection capability between Victoria and Tasmania, which might allow Tasmania’s Battery of the Nation plan to ship renewable energy generated on the island state and saved with batteries and PHES into the mainland NEM.

For additional particulars and a digested learn of the plans from a {solar} PV and renewable energy perspective, see our colleagues’ comprehensive coverage of the ISP at PV Tech, or go to AEMO’s website to read the ISP in full.

Further reporting by Sean Rai-Roche.



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Jupiter Power brings operational BESS in Texas to 450MWh

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US unbiased energy producer (IPP) Jupiter Energy has turned its second 200MWh BESS on-line in Texas, bringing its whole capability within the state’s market to 450MWh.

Referred to as ‘Crossett’, the 200MW/200MWh facility in Crane County has entered business operations and is without doubt one of the largest BESS initiatives within the gird market operated by ERCOT.

It comes three months after Jupiter Energy turned its 100MW/200MWh Flower Valley II challenge on-line which, along with three smaller initiatives, brings the corporate’s whole operational portfolio in ERCOT to 350MW of energy and 450MWh of energy.

This makes it the biggest developer and operator of battery BESS on the ERCOT grid by whole length. In April, it obtained a Time period Mortgage and LC Facility from KeyBank Nationwide Affiliation price US$175 million to finance the portfolio which can whole 650MWh by the top of summer time.

The corporate has yet another large-scale challenge in late-stage commissioning in ERCOT, the 100MW/200MWh Swoose II website, and one other 500MWh of initiatives in ‘late levels of improvement’.

Mike Geier, Chief Know-how Officer, Jupiter Energy, mentioned: “We now have witnessed the pressure that the Texas local weather can placed on the grid throughout unseasonably heat days. Jupiter Energy’s initiatives like Crossett and Flower Valley II are optimally sited the place the grid wants help to boost resiliency each cost-effectively and reliably.”

On June 12, a heatwave led to the very best ever energy demand recorded on the ERCOT grid at 75GW, though the operator was capable of ship electrical energy to shoppers with none outages or points. The month earlier than, it needed to ask Texans to preserve energy throughout one other heatwave that coincided with energy plant outages (no such request was wanted in June).

The corporate mentioned its fleet of BESS initiatives will enhance reliability on the ERCOT grid as Texas approaches peak summer time demand. BESS items within the state are more and more counting on wholesale energy buying and selling, notably round probably the most congested nodes, which now makes up half of revenues according to one investor.

Alongside this, BESS belongings present grid ancillary help companies primarily by regulation reserve service (RRS) and a sub-set inside that group known as quick frequency response (RRS-FFR). RRS gives 10-minute energy deployments in response to important technology losses on the system whereas RRS-FFR requires belongings to be robotically deployed and supply a full response inside 15 cycles after the frequency meets or drops under 59.85 Hz.



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