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This home set up was designed to run as a grid minimisation set up. Though the grid stays related it’s not often used.

That is an space with frequent energy outages, usually for a lot of days so the power to have energy in an off-grid set up when the grid wasn’t accessible was a significant requirement.

Sodium Nickel Chloride (SoNick) batteries have been chosen as they’ve the very best energy density of any batteries and are utterly protected with no off-gassing or hearth threat, that means there aren’t any questions of safety with putting in the batteries. Because the SoNick batteries function with no temperature results and no degradation from -20°C to +60°C there aren’t any points with both warmth or freezing temperatures which might be usually skilled and the batteries don’t require air-con to maintain them cool or heaters to warmth them sufficient for them to work.

Lithium-ion batteries weren’t thought-about due the problem in recycling lithium batteries at finish of life and to their inherent hearth threat.

A 6.75 kW PV {solar} array was put in on a north going through roof. That is in 3 strings and goes right into a Victron MPPT, then right into a 5kVA Victron Multiplus-II inverter. A changeover change was additionally put in in order that if there have been ever any points with the battery system the home would then revert to mains energy. A Victron Cerbo permits the entire system to be monitored remotely and any adjustments to the system can be completed remotely.

With the set up of the battery system got here a change in how energy was used to maximise the utilization of the {solar} PV because it was produced. As a substitute of utilizing home equipment like washer and dishwasher in a single day utilizing off peak energy all home equipment at the moment are used when the solar is shining if in any respect doable. Extra energy is then put into the battery. As this technique is working as an off-grid system no energy is shipped again to the grid for a feed in tariff. Nevertheless, that is greater than offset by not having to buy electrical energy from the grid

Set up of the PV system diminished energy bought from the grid from a median of 85% in summer season of earlier yr as much as 50% in winter of earlier yr. It was realised that to develop into utterly impartial from the grid two batteries could be wanted.

The home is a rural property and is totally electric so electrical energy utilization is increased than it could possibly be for a standard suburban home. Water pumps, electric fences and all electric cooking can use loads of electrical energy. Though the new water makes use of evacuated tubes to warmth with {solar}, the booster is electrical so a warmth pump is being thought-about to additional scale back electrical energy utilization which might additional help the battery system.

Throughout an influence outage that lasted for over per week the battery system enabled the home to maintain working when surrounding properties have been with out energy. Electrical energy was conserved with all non-essential gadgets being switched off and although the climate was not good the batteries have been capable of provide the home with important energy.

One other benefit of the battery system was the elimination of brownouts or energy that goes off for a few seconds to a couple minutes. This used to occur on a reasonably frequent foundation which may produce numerous put on and tear on home equipment. Theses brownouts not happen because the battery system takes over as quickly as an interruption in energy is detected.

Software – impartial home energy provide
System Goal – to supply grid minimisation set up able to supplying off-grid backup provide throughout blackouts,
Commissioned – April, 2021
Put in PV – 6.75 kW
Battery storage – 19.2 kWh

If you need to know extra about getting protected, dependable, recyclable, SoNick (molten salt) battery storage on your own residence, enterprise or micro-grid software go to us at

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Duke Energy’s Carolinas carbon plan includes up to 5.9GW energy storage



Duke Energy's Carolinas carbon plan includes up to 5.9GW energy storage

Main US utility firm Duke Energy’s carbon discount plan for its North and South Carolina companies contains proposals for a “vital development” in energy storage deployments.

The corporate mentioned in its Carolinas Carbon Plan, filed yesterday with the regulatory North Carolina Utilities Fee (NCUC) that it needs to place between 3,700MW and 5,900MW of energy storage in its service space by 2035.

This might assist the expansion of renewables, together with a tripling of {solar} PV installations from present ranges and the addition of wind energy sources to diversify its renewable energy portfolio, the corporate mentioned.

By 2035, this could equate to between about 7,600MW and 11,900MW of recent {solar} PV, on high of 5,000MW of {solar} PV that will probably be on-line within the utility’s Carolinas service space by the top of 2022 and an extra 1,900MW of {solar} deliberate or already in growth.

Alongside these developments, Duke additionally needs to be allowed to take what it mentioned can be “preliminary steps” to creating zero-emitting load-following sources (ZELFRs), clear or carbon-free that may be equipped on-demand. This might embrace superior nuclear energy stations, carbon seize, storage and utilisation and different applied sciences like next-generation geothermal or hydrogen storage.

These ZELFRs and wind energy, that are newer to the energy combine within the Carolinas, will begin to come to the fore in direction of the top of this decade, the utility mentioned.

An govt order issued by North Carolina’s governor Roy Cooper in January this 12 months set coverage targets for emissions reductions of fifty% in comparison with 2005 ranges by 2030 and the achievement of web zero emissions standing by 2050 on the newest.

Duke Energy claimed that its Carolinas Carbon Plan is consistent with these goals, and that all the choices its proposal units out would meet different metrics set by the chief order, together with these on choosing the bottom value choices and sustaining electric system and provide reliability.

The utility mentioned it’s taking an “all the above” method, via the combo of applied sciences it proposes to make use of, from pure gasoline and small modular nuclear reactors to {solar} PV, wind energy and energy storage.

It could additionally take rapid motion to implement energy effectivity and demand-side administration in addition to upgrades to the grid to allow it to host larger shares of renewables.

As soon as carried out, the plan can be reviewed each two years.


By 2030, the utility is proposing:

  • 3,400MW discount in peak demand via energy effectivity and demand-side administration
  • 3,100MW of recent {solar} PV, together with 600MW paired with energy storage
  • 2,000MW of recent pure gasoline models that are ‘hydrogen succesful’
  • 1,000MW of standalone battery energy storage
  • 600MW of onshore wind
  • Early growth work to allow 800MW of offshore wind
  • Early growth work to allow 570MW of small modular nuclear
  • Early growth work to allow 1,700MW of pumped hydro energy storage (PHES)

The plan may allow a 70% CO2 discount by 2030 in addition to carbon neutrality by 2050, Duke Energy claimed, whereas the corporate can also be dedicated to closing its North and South Carolina coal crops by 2035.

Duke Energy mentioned the truth that it has a dual-state system in operation between each Carolinas helps it to maintain prices low and preserve reliability, citing buyer charges which might be beneath nationwide averages. The plan, to even be filed with South Carolina’s Public Service Fee, would necessitate a rise buyer charges between 1.9% and a pair of.7% every year to 2035.

4 separate portfolio choices have been included in it, every with a barely totally different mixture of sources. Whereas one choice may attain 70% CO2 discount by 2030, the others would take barely longer, till 2032 or 2034, to realize that, though all 4 would lead to carbon neutrality by 2050.

Duke Energy has round 7.4 million prospects for its energy companies in six US states, in addition to round 1.5 million retail pure gasoline prospects in 4 states. In March the corporate introduced the completion of three lithium-ion battery projects in Florida, totalling 34MW/58MWh. Duke additionally joined up with expertise supplier Honeywell to roll out microgrids for cities across the US a couple of weeks in the past.

The utility’s planning processes got here in for criticism in 2021, when its 2020 Built-in Useful resource Plan (IRP) was described as flawed by energy consulting agency E3. E3 mentioned that the IRP didn’t successfully enable for the variety advantages of {solar} and storage to be captured, our sister web site PV Tech reported on the time.

Duke’s capability enlargement methodology thought-about {solar} and storage independently, at totally different steps of the method, which E3 argued meant the synergistic benefits that exist between the two were ignored.

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CellCube signs 1GW+ deal for flow batteries in Southern Africa




CellCube has signed a five-year settlement with an energy asset developer to deploy 1GW-plus of its vanadium redox move batteries (VFRBs) in Southern Africa.

The announcement made right this moment comes shortly after CellCube CEO Alexander Schoenfeldt advised Energy-Storage.information in an interview final week that the vanadium move battery provide chain must scale up dramatically to achieve the ‘gigafactory’ ranges of manufacturing he desires to see.

Cellcube, formally referred to as Enerox however higher identified by its model title, has signed the five-year framework settlement with renewable energy developer Kibo Energy to deploy not less than 1GW of storage in focused Southern African Improvement Neighborhood (SADC) nations. The SADC includes all 16 nations from South Africa as much as the Democratic Republic of Congo and Tanzania.

The 2 corporations have agreed to develop and deploy long-duration energy storage (LDES) options within the area utilizing Cellcube’s know-how. Kibo, which has traditionally owned coal tasks however is transitioning to green energy, will likely be mission developer and an integrator of the CellCube options, topic to audit and certification by CellCube.

The Eire-based, stock-listed developer has been granted conditional unique rights to the advertising, gross sales, configuration and supply of CellCube’s VRFBs when deploying options for behind-the-meter microgrid purposes, topic to profitable proof of idea tasks which will likely be ordered by June 30. The exclusivity doesn’t lengthen to utility-scale tasks.

In an interview ultimately week’s Intersolar Europe / Electrical Energy Storage Europe commerce occasion in Germany, previous to this announcement, Cellcube CEO Schoenfeldt defined to Energy-Storage.information the reasoning behind this strategic concentrate on microgrids.

“Our essential goal markets are excessive {solar} radiation and particularly on-site era the place industrial prospects can use our batteries to keep away from excessive grid prices. Notably in locations like North America, the Sub-Saharan area and Australia. Our focus in Europe is on safety of provide for industrial purchasers and house owners & operators of essential infrastructure,” he stated.

“For right this moment’s gross sales we’re trying on the microgrid enterprise slightly than large-scale front-of-meter as a result of the provision chain hasn’t ramped up but for vanadium batteries. However as market chief we’re on the similar time growing giant scale deployments to be able to construct the demand for extra manufacturing capability to be constructed.”

Kibo, which has a twin itemizing on London’s AIM market and the AltX on the Johannesburg Inventory Alternate, plans to develop an order pipeline from its already current mission pipeline of as much as 21,200 installations, starting from 40kWh-2,000kWh per set up. Its goal sectors for this rollout are ICT towers, gated communities, purchasing centres and business parks whereas each corporations will evaluate a bespoke renewable energy mission microgrid pipeline.

The press launch added that Kibo has been granted a primary proper of refusal to any manufacturing output that Cellcube establishes within the SADC area delivering CellCube core elements or CellCube know-how, so long as agency order commitments are made by Kibo.

“As Kibo is aggressively rolling out its Sustainable and Renewable Energy Technique, we’re delighted to announce this dynamic association with a number one move battery producer. The event of a giant mission pipeline prepared for rapid execution is the principle pivot on which the FA hinges,” commented Kibo Energy CEO Louis Coetzee.

Schoenfeldt advised Energy-Storage.information: “With vanadium move batteries it’s all concerning the maturity, sturdiness and imply time earlier than failure (MTBF) and we’ve a confirmed monitor document slightly than only a declare. We have now an put in subject of greater than 130 techniques in round 20 nations and greater than 6 million working hours of techniques. Our oldest system, in Austria, has been operating for 11 years and has a capability lack of simply 1% over its lifetime to date. Backed up by (insurer) Munich Re we provide a bankable product prepared for roll-out.”

However he additionally identified that the VRFB provide chain has a protracted technique to go.

“I’d guess that exterior China, in 2021 the vanadium battery provide chain was about 30MW manufacturing capability on an annual foundation. It’s peanuts in comparison with lithium. The massive query is how we get our suppliers to ramp up and put money into bigger machines and bigger instruments to maneuver from a 30MW manufacturing capability on an annual foundation to a 300MW after which a 3GW annual capability. I’m not saying this as a result of we’re ready for somebody, CellCube is actively working with its companions to get this ramped,” he stated.

One in every of Enerox’s shareholders is Bushveld Minerals, a mining group which is one in all solely three primary vanadium producers globally, from its mine in South Africa. Enerox/Cellcube just lately set up its first US subsidiary to focus on the North American market.

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Northvolt JV battery recycling plant Hydrovolt begins operations



northvolt hydrovolt

Business operations have begun on the Hydrovolt battery recycling plant in Norway, a three way partnership (JV) between Norwegian supplies processing firm Hydro and Sweden-headquartered lithium battery manufacturing startup Northvolt.

The ability in Fredrikstad, southern Norway, has been below building since February last year and its JV companions have invested NOK120 million (US$13.94 million) into the mission whereas one other NOK43.5 million was put in by Norwegian authorities enterprise Enova.

It’s Europe’s largest electric automobile battery (EV) recycling plant with the capability to course of roughly 10,900 tonnes (12,000 tons) of battery packs per 12 months, equating to round 25,000 EV batteries. The batteries can be equipped by Batteriretur, a Norwegian firm that collects batteries for recycling.

That’s enough to recycle all the end-of-life battery market in Norway, Hydrovolt mentioned. CEO Frederik Andresen instructed Energy-Storage.information when building began that, though it was EV-focused, the ability can also be able to recycling batteries from stationary energy storage techniques (ESS).

Hydrovolt has a long-term goal of accelerating its recycling capability in Europe to 63,500 tonnes of battery packs by 2025 and 272,000 tonnes by 2030.

The Fredrikstad facility can get well and isolate some 95% of the supplies in a batteries together with plastics, copper, aluminium and black mass, a compound containing nickel, manganese, cobalt and lithium. The recovered aluminium can be delivered to Hydro for recirculation into business grade aluminium merchandise.

The ability incorporates a mud assortment system to make sure the seize of fabric sometimes misplaced in mechanical recycling processes, one in all a number of novel ideas the corporate mentioned are being deployed.

Northvolt, based in 2016, is one of some startups launching giant gigascale lithium-ion battery tasks throughout Europe with vital backing, another being Norway-based FREYR.

Northvolt is the most important of those by cash raised (US$2.7 billion) and deliberate pipeline (170GWh annual manufacturing capability). It most lately announced the site for its third gigafactory, in Schleswig-Holstein, Germany, and acquired a site for a 100GWh cathode material production facility in Sweden.

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