PowerBank trial for WA Homes | Tesla PowerPack

An official announcement by the Government of Western Australia on Wednesday notes that they will partner with Western Power and Synergy to offer a Tesla PowerBank trial via a 105kW (420kWh) Tesla PowerBank battery.

PowerBank trial for WA Homes.

 

PowerBank trial for WA Homes.
Tesla PowerPack Commercial Battery – PowerBank trial for WA Homes (source: Tesla)

The 24 month trial period means that customers participating will be able to ‘virtually’ store excess power they generate during the day (it’ll be fed into the utility-scale 105kW Tesla PowerPack Battery). They can then use 8kWhs of the PowerBank’s battery storage without needing to install their own power bank. According to the press release (and it’s true!), “8kWhs is enough to power the average suburban home for over one hour during peak time.”

Energy Minister Ben Wyatt discussed the Tesla PowerBank trial in a series of interesting quotes which explain how helpful this trial could be to Mandurah residents:

“PowerBank is an ‘in front of the meter’ storage trial which allows invited local customers to store excess electricity from already installed solar PV systems to then use it during peak times.

“This is another Australian milestone for the application of utility-scale batteries for the benefit for customers, drawing on the groundbreaking work by Synergy in its Alkimos Beach energy storage trial.

“For the first time in Australia, a utility-scale battery will be integrated into an established suburb’s network, like Meadow Springs, that has a high level of existing solar PV uptake.

“At the cost of one dollar a day, customers will have access to 8kWh of battery storage to use any time after 3pm each day.

“This trial shows that the WA Government is serious about working with renewables, delivering for taxpayers and planning for our energy future.”

Click here to view the media statement from the WA state government.

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Dunsborough Community Energy Project – Virtual Power Plant

The  Dunsborough Community Energy Project is currently offering no upfront cost solar in Western Australia – all for the flat fee of $35/week – inviting south-west Western Australia residents to join their 6.5MW virtual power plant. 

Dunsborough Community Energy Project

Dunsborough Community Energy Project
Dunsborough Community Energy Project (source: dunsboroughcommunityenergyproject.com.au/)

This Dunsborough Community Energy Project has been established as a joint effort between Perth-based company Redback Energy, investment outfit SUSI Partners and Perth law firm Jackson Macdonald. It already has over 60 signups to their virtual power plant and hope to reach 1000 by the end of the year. The goal of their project is to allow all members to be 90% renewable inside their homes. It’s a realistic goal, and they have partnered with some fantastic companies to deliver a really powerful product offering:

According to a post on RenewEconomy, people who sign up to the Dunsborough Community Energy Project will receive:

  • 7kW of solar PV (Suntech panels)
  • Redback 5.5 KVA inverter
  • 9.6kWh Pylontech (LiFePo4) batteries

The community’s goal is to reach 1,000+ Redback solar and battery storage systems in the area (Dunsborough and Yallingup). Over the 10-20 year lifespan of the project ‘additional income and dividends’ are expected to raise up to $8m which can then be spent on lowering energy costs further or giving back to local community projects. 

The official website states that Redback Energy will give $250 towards a ‘community fund’ for each system sold. This fund will then be distributed “…to fund local community projects in schools, sporting clubs and or other projects such as a Dunsborough community pool.” A great idea and fantastic to see Redback supporting the local economy in more ways than one!

Click here to view the official website of the project and learn more about it. 

You can also learn more about Virtual Power Plants or Community Solar across Australia by clicking!

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Natural Solar – Blockchain Powered Community Solar

Australian company Natural Solar have advised that they will be using the power of blockchain technology its its latest community solar offering – a new housing development just outside of Sydney which will see 12 homes share power with each other.

Natural Solar

Natural Solar - Blockchain Powered Community Solar
Natural Solar – Blockchain Powered Community Solar (source: naturalsolar.com.au)

Nine are reporting that each home will have a 5kWp solar system and an 8kwh sonnenBatterie 8 installed. Homeowners will be guaranteed up to 20 years of $0 power bills, but they will have a $30 / month bill to sonnenFlat for the program. Power will be shared between the 12 houses and any energy movement will be recorded on the blockchain to record and track the efficacy of of the project. Is 12 houses enough? What happens when it’s 4pm on a Tuesday and 8 houses have air conditioning on? 

If this is a bit complicated to understand, Chris Williams, CEO and Founder of Natural Solar,  explains the concept as a ‘super battery’:

“Utilising Blockchain technology, we are able to join all batteries together to create one larger ‘super-battery’ that can power all homes in one development.

“An advantage of this is for the first time ever in Australia, residents will now be able to borrow power from their neighbours who have excess stored in their own battery, creating a complete sharing economy amongst houses.”

What happens if the energy runs out?

This question was put to Williams who said that, although this model means the developer won’t have to pay for expensive grid upgrades, it’ll still have access at all times: 

“In the event houses need additional power and they can’t borrow extra from their neighbours, they are able to automatically draw this from the grid. If the home is signed up to the sonnenFlat energy plan, this will be free of charge for most houses, provided this fits within their annual electricity consumption.”

The project is set to launch by September – so watch this space and we’ll keep you updated on the progress of Natural Solar’s great project.

 

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South Australian Virtual Power Plant Launched

Tesla’s South Australian Virtual Power Plant has begun deployment, with the first 100 Powerwalls combined with a 5kW solar array rolling out across a group of South Australian households this month. This rollout is in conjunction with the Household Storage Subsidy Scheme in South Australia.

South Australian Virtual Power Plant

South Australian Virtual Power Plant Tesla
South Australian Virtual Power Plant Tesla (source: Tesla / YouTube)

Housing SA are working with Tesla to install the distributed Powerwall tech which is going to start with a focus on public housing and will end up with arrays and Powerwalls/other batteries (read on to learn about the Household Storage Subsidy Scheme) on up to 50,000 homes. 

Another 1,000 South Australian households will have the Tesla batteries installed before July 2019, but potentially ‘in a few weeks’, according to Electrek. Lots of different figures floating around right now so we’ll update you as we hear more.

It’s actually quite similar to the 100MW / 129MWh Powerpack project in that the whole system will help stabilise the grid and provide a strong baseload of power so we don’t see the blackout issues South Australia suffered through in 2016. In this case it’s not one big project, however – many homes working together will decrease cost of electricity and ensure grid stability improves (and continues to). 

There’s also a separate scheme for other battery subsidies – underwritten by the $100 million Household Storage Subsidy Scheme. The push to help renters and low-income earners enjoy the benefits of solar has been fantastic and we’re excited to see some stats and results after the estimated 40,000 SA households receive on average $2,500 each. Please note that this particular scheme is for people who already have solar power installed and want energy storage as well and is not related to the Tesla virtual power plant.

You can watch a video Tesla released about the South Australian Virtual Power Plant – it’ll explain what the plan is and what we can expect to see next from SA and Tesla!

There’s also a video on Twitter from Nine News Adelaide where the current (Liberal) SA state government seem happy to take credit for this scheme (which was totally organised under the previous (Labor) government). Bit of an eye-roll, but then again it’s par for the course for our beloved Australian politicians.

Regardless of that, the tenant in this video had a $500+ bill for electricity every quarter, which has been reduced to $175 since having the solar system installed. So those are some fantastic numbers!

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Victoria solar feed in tariffs to vary based on time.

Victoria solar feed in tariffs – the state’s Essential Services Commission has this week released the details of a brand new feed in tariff (FiT) which changes depending on the hour of the day. It will be introduced to Victoria on July 1. Whilst not compulsory to begin with due to their complicated nature, the tariffs will likely be enforced in 2019/20.

Victoria solar feed in tariffs overview

Victoria solar feed in tariffs - Essential Services Commission
Victoria solar feed in tariffs – Essential Services Commission (source: esc.vic.gov.au)

Changing from a flat FiT to one that is more in life with electricity demand makes sense given that a major problem for solar energy is dealing with supplying power in peak times and during heatwaves. Previously solar feed-in tariffs were calculated on a flat basis, and, although they’ve been raised recently, it’s been neglecting the idea that offering more money for people to feed power back into the grid via a ‘virtual power station’ is likely to help mitigate periods where electricity is unavailable or at a ridiculously high price. 

The idea of a ‘virtual power plant‘ is something being worked at via a supplier level (The AGL Virtual Power Plant‘), a state level (ACT’s Next Generation Energy Storage Program) and a combination of the two (Tesla’s virtual power plant in South Australia). This marks the first time they’ve tried to do this via varying FiTs, however., 

According to RenewEconomy, the regulations will require retailers pay a minimum of 29c per kWh for those who exporting power between 3pm and 9pm, a minimum rate of 10.3c per kWh those feeding power back into the grid between 7am and 3pm, and a minimum rate of 7.1c/kWh (which is actually less than the current price of 7.2c) for those exporting energy during off-peak hours – during 10pm and 7am. So, if people want, for 2018 they can pay an alternative flat rate of 9.9c/kWh, down 1.3c/kWh from the previous flat rate. 

The ESC said that the lower cost for the flat rate from modelling from ACIL Allen. This modelling showed that the “any-time price”of electricity has fallen, but the evening peak price is now higher, and that the constant addition of solar connections will lead to even lower day time prices.

 

 

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Tesla Virtual Power Plant in SA

A Tesla Virtual Power Plant will be built in South Australia, comprising of 50,000 home solar and battery systems state-wide. The deal between the South Australian Government and Elon Musk’s Tesla was announced last week by Premier Jay Weatherill ahead of the SA March state election. 

The SA government have pledged to do their part in the implementation of the virtual power plant scheme with a $2 million grant and a $30 million loan from the state Renewable Technology Fund.

Tesla Virtual Power Plant

According to Premier Weatherill, a trial of the scheme has already begun in Housing Trust properties, with 100 properties to receive their systems by EOFY (June 30), and another 1,000 in FY 18/19. After the trial is complete another 24,000 Housing Trust properties will receive the systems. 

Since there’s no word yet on the Tesla Powerwall 3 release date, they’ll use the Powerwall 2 batteries which have a 13.5kWh size. 5kW solar arrays will also be used for the 50,000 homes included in the virtual power plant. No word yet on the specifics of the solar panels the arrays will consist of but we’ll bring you that information as it becomes available.

Tesla Virtual Power Plant - Powerwall 2 Solar Battery
Tesla Virtual Power Plant – Powerwall 2 Solar Battery (source: tesla.com)

A statement from Tesla was released: 

“When the South Australian Government invited submissions for innovation in renewables and storage, Tesla’s proposal to create a virtual power plant with 250 megawatts of solar energy and 650 megawatt hours of battery storage was successful. A virtual power plant utilises Tesla Powerwall batteries to store energy collectively from thousands of homes with solar panels. At key moments, the virtual power plant could provide as much capacity as a large gas turbine or coal power plant.”

Danny Price of Frontier Economics discussed the program with the ABC:

“The biggest saving for consumers is that they don’t have to pay for as much network cost to deliver power to them because they’re generating their own power,” Price said.

Zoe Bettison, the Minister for Social Housing, discussed the reason they are installing these solar + storage systems in Housing Trust properties:

“We know that people in social housing can often struggle meeting their everyday needs and this initiative will take some pressure off their household budget,” she said.

A mammoth deal and step forward for South Australian solar – we’ll bring you more information as it becomes available!

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ACT’s Next Generation Energy Storage Program

The ACT’s Next Generation Energy Storage Program will provide solar batteries to over 5,000 homes and businesses by 2020, offering $25m of funding so ACT residents are able to take advantage of rapidly evolving solar battery technology at a subsidised price. 

Next Generation Energy Storage Program

Next Generation Energy Storage Program in the ACT (source: actsmart.act.gov.au)
Subsidised Solar Batteries – Next Generation Energy Storage Program in the ACT (source: actsmart.act.gov.au)

According to ACT Climate Change Minister Shane Rattenbury there are plans to increase the current amount of storage by up to 36x by 2020: 

“We’ve already had around 400 batteries installed across the city. It’s providing over a megawatt of storage which is both helping households cut their energy bills, manage their own energy usage, but also provide backup for the grid here in the Territory,” he said.

“The battery storage roll-out program is building on Canberra’s reputation as a globally-recognised hub for the renewable energy industry,” Mr Rattenbury was quoted as saying – noting that the program will offer support of up to $825 for each kilowatt of sustained peak output for homes and businesses who install a battery (it can be connected to a new or existing PV solar system). The government estimates that this will represent a subsidy of approximately $4,000 for an average household solar system. 

Six partners have been awarded $3m in grants to help fund the project: ActewAGL Retail, Energy Matters, EPC Solar, Evergen, ITP Renewables, Origin Energy, Power Saving Centre, and Solar Hub. EPC Solar and Evergen were already in the project, the rest are new additions. 

Mr Rattenbury also noted that this project will also help expand the virtual power plant Reposit Power and EvoEnergy are currently trialling: 

“The batteries are also contributing to the world’s largest residential virtual power plant being trialled by Reposit Power and EvoEnergy (formerly ActewAGL Distribution), which allows battery owners to sell their energy to the grid to help support the electricity network.”

For more information and how to apply, click here to download the actsmart battery storage fact sheet

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AGL Virtual Power Plant Upgrade?

AGL have confirmed that their trial of networked home storage batteries has been halted temporarily as they manage unknown variables with their ‘Virtual Power Plant’ – which was labelled by AGL as the ‘largest project of its kind in the world’ earlier this year.

Virtual Power Plant

AGL Virtual Power Plant
AGL Virtual Power Plant (source: @AndyVesey_AGL)

The scheme went live in March at West Lakes in Adelaide and has see hundreds of households’ solar and battery storage linked together to form a 5MW ‘virtual solar power station’. The scheme cost $20m and ARENA (the Australian Renewable Energy Agency) kicked in $5m of that to back the project. As such the cost to the consumer was heavily subsidised and interest has been very high within the test area. 

At the time AGL MD and CEO Andy Vesey said “Our South Australian VPP demonstration is a practical example of the new energy future,” – noting that AGL planned their ‘VPP’ will deliver benefits by increasing grid stability (albeit just for the test group for the time being). The batteries installed were by Sunverge, a producer of intelligent energy storage and advanced AC-coupled storage systems. They use a proprietary virtual power plant software, and in this situation were unique as all the batteries could be remotely operated by AGL. Some customers paid extra for the AC coupled storage systems so they could use them during a blackout. 

There have, however, been potential hiccups with the Virtual Power Plant this week as AGL wrote to waitlisted customers to advise them they won’t receive any of the current Sunverge batteries, and that they plan to utilise “next-generation battery technology into our next phase of installations”. 

The ABC asked AGL about the issues with their VPP and they dodged the question about how many batteries being replaced (and what their upgrade plan is), but a spokesman did say that “Lessons and customer feedback from the initial phase of the project are being used to shape subsequent phases and we want to ensure that all customers have an opportunity to opt in to the next generation offering,”

We’ll keep you updated to see what they’re going to offer for the next phase of their Virtual Power Plant – another exciting step for energy storage technology for South Australia.

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