‘Disrupters’ tip Australia to become world’s biggest VPP in 2021 – pv magazine Australia

Rod Woolley, chairman of the Solar Service Group (Solar SG), is confident its Solar + Battery Members’ Plan, launched on Monday, will give rise to the world largest virtual power plant (VPP) by the middle of next year.

With its massive installed rooftop PV fleet, installations showing no signs of abating, and battery storage beginning to be added in increasing numbers, Australia seems to present the ideal preconditions for widespread VPP adoption. And while state governments and utilities took the initial lead in driving VPPs, solar installation companies are now pushing the adoption of sophisticated distributed generation networks themselves. Indeed, only last month AGL Energy expanded its solar battery VPP to the eastern states where previously it had been primarily focused in South Australia.

Projected to have 20,000 participants in less than 12 months, the Solar Service Group Members’ Plan features intelligent energy management software delivered by clean energy software leader Evergen.

“In effect, what we’re doing is using technology to give consumers market power,” Woolley tells pv magazine Australia. The plan, at its core, is about helping to improve the trading power of solar owners across the National Electricity Market.

Ben Hutt, Evergen’s CEO and managing director, describes its partner, Solar SG, as a “disrupter” in an industry desperately in need of disruption.

“Members’ Plan is kind of a unique proposition at the moment in that it’s the first really open-to-the-public virtual power plant in existence around Australia,” says Hutt.

Both Hutt and Woolley are optimistic the initiative will propel the mass adoption of batteries in Australia – ultimately fast-tracking the transition to a clean energy system. With almost 2.5 million homes fitted with solar modules and about 70,000 batteries installed, the pair say Australia is in a unique position to be at the forefront of the energy system’s evolution.

“I feel like this is the tipping point for batteries becoming really common and widely adopted and it’s partly because of the technology that we’ve got,” says Hutt.

“The world is looking at what we’re doing in Australia as being at the leading edge.”

Understandable terminology important

Solar SG’s Woolley says the secret to becoming the world’s largest VPP is, ironically, not describing the VPP as the endgame to customers. Rather, the company explains the model in terms understandable to ordinary Australians.

“The model we’re talking about is a virtual power plant, but we don’t use that to term with the customers because a VPP is a really difficult thing to explain. What we do is simply explain the fact that as an individual you have very little market power, but as one of a pool of individuals, you have a great deal of potential market power.”

By aggregating energy from a fleet of batteries, it becomes possible to open up new sources of revenue to consumers through participation in the spot market, FCAS market and other markets closed off to households. Participation in such markets, in the aggregate, creates an economic incentive for solar and battery storage installations and gives them a way to understand that additional value is available to them.

When explained in this way, Woolley said householders were “jumping” at the opportunity to sign join the VPP.

Importantly, Solar SG is not confining participation in their Members’ Plan to just their own installation companies Sunbank Solar, Solar Services Group, and SouthAus Solar. Nonetheless, these companies are set to play an important role. With a combined pre-existing customer base of 10,000, there is an existing network to whom the VPP can be offered.

“We’ll be by far the largest VPP in the whole world because we’re starting from an existing customer base,” Woolley said.

New technology behind Members’ Plans

The technology that makes the Members Plan possible has been developed over the last five years by Evergen in conjunction with the CSIRO and backed by AMP Capital.

It uses machine learning algorithms, or AI, to learn household’s power consumption patterns. It then combines this information with weather forecasts to predict how much energy will be generated by the residential solar system. “It allows us to basically decide, for that house, how much energy to keep in the battery and how much to sell back into the grid,” the Evergen CEO explained.

“Instead of dealing with one battery and one home and making decisions based on what’s best for that one home, [Members’ Energy] is aggregating thousands of batteries and then not just having them think about what’s best for my owner and my house, but also how can I operate collaboratively with those other thousand batteries participating in the energy market,” Hutt said.

Unsurprisingly, what goes into these calculations is complex. “There’s actually 42 separate ingredients we use in making a decision every five minutes about what to do with a specific battery in a house.”

While it is virtually impossible to say how much consumers using Evergen technology save, since it is so dependent on the particular household’s consumption patterns, the rule of thumb seems to be roughly 85%. And Hutt says that number is forecast to increase, with some Evergen customers already turning a regular profit from their participation in the VPP.

Barriers to entry

The barriers to entry to the Members’ Energy VPP is relatively high. Homeowners need a residential storage system installed – still a significant investment and one made all the more complicated since, as Hutt puts it, not all batteries are created equal. To even begin using the money-saving software, the home needs to have decent storage hardware.

Additional to the financial barrier, homeowner trust in electricity providers is also low.

“Consumers distrust of electricity system is higher than it is of the financial system at the moment,” Hutt says.

The Evergen CEO puts this distrust down to the fact that energy systems are exceedingly difficult to understand. It is, however, a key component of this model as by participating in a VPP, customers are basically giving companies like Evergen control of their batteries.

Hutt adds that Solar SG has invested time and resources in transforming the interactions their companies have with customers, moving them from transactional encounters to ongoing relationships.

Expanding horizons

While their focus is on the Australian market right now, Woolley says he could envisage transforming the model to Germany and Japan where, Hutt suggests, there is a greater knowledge about renewables.

“There’s plenty of room for this to be big.”

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Source: https://www.pv-magazine-australia.com/2020/10/28/disrupters-tip-australia-to-become-worlds-biggest-vpp-in-2021/

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