Saul Griffith, Climate Genius. Source SMH, Fair Use, Low resolution image to identify the subject.

Meet the “Genius” Government Climate Advisor

Guest essay by Eric Worrall

According to Sydney Morning Herald, MIT and University of Sydney Graduate Saul Griffith thinks we can completely replace the Australian vehicle fleet with EVs by 2030, though more research is required into decarbonising heavy industry.

Carbon dreaming: how to fix the climate crisis

By Nick O’Malley and Peter Hannam
August 14, 2021 — 12.01am

One person worth asking is engineer and physicist Saul Griffith, who lives in a rambling suburban home backing onto the rainforest of the Illawarra escarpment at Austinmer south of Sydney.

Before he fled a locked down Los Angeles to return to Australia, Griffith, a graduate of the University of Sydney and MIT, completed the most detailed inventory of how American households use power.

He and a team at one of the non-profit organisations he co-founded, Rewiring America, worked out how much power and gas American homes and small businesses used for transport, heating, cooling and lighting and household appliances.

NSW Energy and Environment Minister Matt Kean says Griffith, who he uses as a “sounding board” on similar issues, is “basically a genius”.

So can Australia decarbonise at the speed the IPCC says is necessary?

“Oh yeah,” says Griffith. “We could shit it in.

Griffith’s mantra for Australia is the same as it is for America – electrify everything. Indeed he is establishing a Rewiring Australia organisation to advocate for such policies.

By his calculations Australia can reduce emissions by more than 50 per cent by the end of the decade by replacing gas and coal-fired power with renewables and helping households, small business and light-manufacturing deploy solar and battery technology to replace internal combustion vehicles as well as gas-burning water and space heating appliances.

A further benefit of a large electric vehicle fleet would be that the batteries in parked cars would serve as a vast and interconnected back-up to the grid.

Read more: https://www.smh.com.au/environment/climate-change/carbon-dreaming-how-to-fix-the-climate-crisis-20210812-p58ici.html

Skipping past the bit where Saul Griffith proves Santa Claus is real, by ensuring everyone in Australia receives a brand new EV, without massive tax hikes, vastly increased household or government debt, or other major economic dislocations, and overlooking Australia’s huge distances, imagine for a moment that your brand new EV was part of the grid battery backup system.

It is a freezing cold, cloudy windless winter morning, the solar panels have not yet come on stream, but everyone switched on their home heating to drive back the morning chill, as soon as they got out of bed. Some people left the heating on all night. Many people had a hot shower or bath to shake off the chill – they had to use electricity, because the solar hot water system is not yet receiving enough sunlight. Having enjoyed a breakfast of eggs on toast (its cold) and a hot coffee or two, now you need to get work. So you hop into your shiny new EV, which has been draining back into the grid all night to cover the winter surge in demand, and push the start button.

I don’t think you need to be a certified genius to figure out what happens next.

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Vincent Causey
August 16, 2021 12:33 am

Couldn’t people place a diode in their charging circuit to stop it going the other way? I guess they would make that illegal.

MarkW
Reply to  Vincent Causey
August 16, 2021 5:47 am

It would have to be a really big diode to handle the current of a super charger.
Beyond that, the voltage drop across the diode would make electric vehicles even less efficient over all than they currently are.

August 16, 2021 1:04 am

If he was a genius he would recognise that CO2 causes fewer cold deaths, higher crop yields, alleviates famine, makes plants more drought resistant, reduces cyclones, and makes the entire planet greener.

Instead he is an idiot,

jur
August 16, 2021 1:07 am

I work in this field, engineer designing bi-directional EV chargers. I am also fully on the side of WUWT, I want coal to stay, providing the pollution is cleaned up – CO2 can stay.

There seem to be a few misconceptions flying around in the comments. EVs in grid support mode will only allow discharge up to a certain level, quite a modest amount of discharge is allowed, plus owners can override that amount. Control is by no means in the hands of the grid operators. Also, the amount of kWh stored in a typical current-day EV battery is quite huge – 50-100kWh is common. You can run a house off the EV battery for days before it is depleted. Assuming every household has an EV and it is plugged in, that is quite a large backup. No problem for handling extra cold mornings, plus the safeguard against discharge beyond a certain point won’t allow it.

While i haven’t made any calculations for a whole grid supported like that, and even though I would like coal to stay, I don’t immediately spot a problem either (except charging all those batteries in the first place, of course).

MarkW
Reply to  jur
August 16, 2021 5:50 am

You can run a house for days, provided you don’t use the AC, heat pump, electric stove or electric hot water heater.

jur
Reply to  MarkW
August 16, 2021 3:49 pm

Nope the average usage numbers show you can. Each of those is used a fraction of the day in typical use. Nobody uses their stuff 24/7 full on.

nankerphelge
August 16, 2021 1:35 am

I can just see those B Doubles thundering down the Highway with 40 Tonnes on board. Only problem is the 30 Tonnes of batteries!

Gerry, England
August 16, 2021 2:29 am

I think we are all making the mistake of thinking that you would have a job that you needed to drive to, or that you had a job at all.

Ewin Barnett
August 16, 2021 2:47 am

Has this genius asked the copper and silver miners if there is capacity to meet the demand that such a plan would imply? I have yet to find anyone in the industry who thinks there is. Maybe he knows otherwise. Geniuses often do.

very old white guy
August 16, 2021 3:47 am

I wonder how he thinks they can build all that marvelous stuff without fossil fuels.

Dean
August 16, 2021 5:49 am

This is the sort of crap you get when you talk to a physicist instead of an engineer……..

Serge Wright
August 16, 2021 5:52 am

“Oh yeah,” says Griffith. “We could shit it in.

The recent lockdown policy is now starting to make sense. Keep everyone from leaving their houses and they won’t need their cars.

August 16, 2021 8:25 am

This guy is an embarrassment to both the engineering profession and MIT….not unlike Jacobsen in US
https://blogs.scientificamerican.com/plugged-in/landmark-100-percent-renewable-energy-study-flawed-say-21-leading-experts/

Peter K
August 16, 2021 3:47 pm

Make sure your EV is parked outside, whilst it’s on charge.

Mike Lyons
August 16, 2021 3:55 pm

They suck the value out of your money while you sleep too.

JAW3
August 17, 2021 6:43 am

The dude is a collectivist. All your stuff is his.

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