A Western Australian housing development offering drastically reduced daytime power costs through a residential solar PPA has been a resounding success, with 90 per cent of home buyers opting in to the deal.
As we reported here, the innovative scheme was launched just over a year ago in a trial at Yolk Property Group’s Amble Estate in Girrawheen – a mix of 129 “affordable and highly sustainable” houses, apartments and townhouses.
Designed in conjunction with solar installer and electricity retailer Infinite Energy, the deal offered home buyers who opted in to a “sustainable living package” a rooftop solar system of between around 3.8 – 4.8kW, installed at no upfront cost.
Instead, the household would enter into a 10-year solar PPA direct with Infinite Energy, giving that company ownership and maintenance responsibilities for the solar system for the term of the contract.
In return, the home owner gets access to daytime solar power at a guaranteed discounted rate of net 40 per cent less than the A1 grid tariff offered by WA government-owned retailer, Synergy.
In a statement on Wednesday, Infinite Energy said that 37 of 42 purchasers had chosen to opt in to the PPA, which it described as the first large-scale solar PPA to be rolled out at a residential community in Australia.
This 90 per cent uptake rate is not a great surprise, considering how popular rooftop solar has been with Australian home owners across the board – and considering Infinite Energy’s promise of electricity bill savings of up to $600 a year, with no capital outlay.
Infinite Energy CEO Aidan Jenkins said the pilot program demonstrated how state governments and private organisations could join forces on “outside-the-box solutions” to housing affordability and sustainability.
“The positive response to the solar PPA highlights the receptiveness of Western Australians to trial programs like this that benefit both households and the environment,” Jenkins said.
“The Amble Estate trial has provided valuable insight into Western Australian homeowners’ strong desire for more control over electricity costs.
“We’ve been really pleased with the response to the trial. The success is a clear indication that WA homeowners are looking for innovative, cleaner and more affordable alternatives to traditional grid electricity,” he said.
“Through this solar PPA energy package, this project is leading the way in combining affordable home purchase with improved affordability of living, while also allowing savvy purchasers to reduce their impact on the environment.”
In addition to the solar systems, residents receive a reticulated vegetable garden; water wise front landscaping with edible fruit trees; compost bin and CSIRO water-saving and pressure-increasing showerhead connectors.
Sophie is editor of One Step Off The Grid and deputy editor of its sister site, Renew Economy. Sophie has been writing about clean energy for more than a decade.
This post was published on July 3, 2019 2:02 pm
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Clever in more ways than one.
Most homes use very little during working hours (even if someone is at home washing, ironing etc etc). Unless their hot water is electric (hopefully not the case but I don't see any obvious solar HW panels in the photo) and set to heat from 10-3pm there is not much demand they can generate.
Just wait until the cooking begins once everyone is home and the air-con gets going.
Meanwhile the energy company claims depreciation on the panels (which a home owner cannot get) - so their return is massively increased, it gains the bulk of energy generated through this period and sells it to other customers within a few hundred metres (saving on both transmission upgrades, transmission losses & possible future curtailment issues for solar farms), and does not have to pay to rent the roof space (unlike many overseas schemes do).
Win, win, win situation for the company.
...and in 4th place - the homeowner
If the homes have heat pump HWS and RCAC for heating then that would be fabulous
Yes I think you're right. I don't know the latest but I think solar PV plus heat pump HWS would out-perform solar hot water.
Check out the maine solar house, They have run pv/ solar water heat since 1995...
http://www.solarhouse.com/
And it gets Really cold and snowy in Maine USA
Heat pumps would be more efficient I'm sure, certainly for cooling!!
Throughout which platform/ technology is this being offered?