Net Zero Perth Part 4: How Solar, Wind & Storage Technologies Can Power Our Entire City – WAtoday | CarTailz

Short-term energy storage will largely consist of a series of batteries across Perth, capturing energy at the local, community and grid levels. WA has a large battery in Kwinana (200 MWh) that is nearing completion, but much more is needed – Sustainable Energy Now modeling shows that 12 GWh of storage is required. So we need the equivalent of 60 more of these kwinana
Batteries: across electric vehicle batteries, home batteries, community batteries, as well as large utility-scale batteries such as the Kwinana example, and longer-life energy storage technologies. Other states are investing heavily in storage and WA is lagging behind.

The role that electric vehicles could play? They have the potential to be grid connected, allowing you to plug your car into the grid during the day to charge with excess energy and draw energy from it at night. At night you could run your house from the car because a car battery is five times larger than a house battery. The vehicle-to-grid technology for this already exists.

How your house would run in a net zero perth.Recognition:Rewire Australia

When the sun doesn’t shine or the wind doesn’t blow for a long time, long-duration energy storage is required. This turns out not to be the case very often when, in addition to solar and battery storage, onshore and offshore wind are also included in the energy mix across the board.

This could be provided by pumped hydropower – storing water in reservoirs to be pumped in and out when power is needed – and one or more of the more promising emerging technologies such as compressed air energy storage. Feasibility studies are currently underway to explore pumped hydroelectric power for the Collie area in the post-coal era. Traditional gas turbine generation would be held in emergency reserve.

Our modeling at Sustainable Energy Now shows that this vision of a nearly 100 percent renewable-powered Perth can be an affordable reality.

The energy future is electric – especially in our homes and businesses.

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Home electrification with heat pumps for space heating and boosting solar hot water, induction cooktops and battery electric people transportation is the future of Net Zero Perth. This is now achievable and workable for most households given the right policies, incentives and regulations. Fully electrified homes not only have zero emissions, they also save households money — up to $5,000 a year by the end of the decade, as Rewiring Australia has shown.

New business models are needed to ensure that the availability and advantages of roof solar, electrification and batteries are not only available to the well-heeled owners of detached single-family houses, but to everyone.

Rented properties or apartments without direct access to rooftop solar panels would harness affordable clean energy through “solar gardens” by using virtual rooftop solar panels on top of other buildings (commercial, public, or industrial). Innovative business models would unlock this vast potential energy source, allowing energy consumers to become “prosumers” who both produce and consume energy, while at the same time being investors in companies that agglomerate rooftop solar and battery storage on behalf of shareholders .

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Energy consumption would be much more visible, democratized and controllable by the end user.

All energy consumers could participate in communities that would be both physical and virtual. Residents of social and communal housing would benefit equally from a clean energy future.

So the clean energy future doesn’t require a silver bullet. Just the right policy, regulation and timely government investment to unlock the benefits of renewable energy for all Western Australians.

Originally designed around central thermal power plants, primarily coal and gas, WA’s electricity system now needs a complete overhaul to make its generation, storage, transmission and distribution grids a smart grid capable of a clean renewable future energies is suitable.

All of the modeling and transition analysis in this area shows that this work is essential and must be done quickly.

Despite their current energy crisis, and not because of it, the eastern states are way ahead of us, and investing well beyond the announced $3.8 billion to replace Collie coal should be a priority for the current state government lest WA be left one net zero world.

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