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Australia trials $15M power-to-hydrogen project

A $15-million trial—the largest of its kind in Australia—will use international technology to convert solar and wind power into hydrogen gas, which will then be stored for use across the Jemena Gas Network in New South Wales—Australia’s biggest gas distribution network.

Jemena’s Managing Director, Frank Tudor, said Jemena’s Project H2GO will see a 500kW electrolyzer constructed in western Sydney which is able to generate enough hydrogen to power approximately 250 homes.

It is estimated Jemena’s New South Wales gas network—which delivers gas to 1.3 million customers—is capable of storing as much energy as 8 million Powerwall batteries without further investment or network augmentation.

Jemena’s Project H2GO will be co-funded by the Australian Renewable Energy Agency (ARENA) which has committed $7.5 million in funding for the project.

Comments

Engineer-Poet

The irony is that the hydrogen added to the NG network displaces methane which has about 3x the energy per unit volume, so the net amount of stored energy decreases.

HarveyD

Almost the same (but to a much lesser degree) happens when bio-fuel is added to gasoline in USA?

A mix of H2 + NG burns cleaner and produces less pollution and GHGs?

Clean H2 can also be used in FCEVs to produce e-energy with almost no emissions other than clean water.

Engineer-Poet
Almost the same (but to a much lesser degree) happens when bio-fuel is added to gasoline in USA?
No.  Ethanol isn't blended until just before shipping to stations, as it has a tendency to separate.  It is stored separately and doesn't affect energy storage in petroleum terminals or pipelines.
A mix of H2 + NG burns cleaner and produces less pollution and GHGs?
We'd have to get an expert on this, but I wouldn't be the least bit surprised if a burner tuned for natural gas produces marginally more NOx when fed an H2 mixture due to the higher residual oxygen content of the flame.  There's also the higher flame speed which concentrates heat near the burner tip.
Clean H2 can also be used in FCEVs to produce e-energy with almost no emissions other than clean water.
Nobody is actually filtering H2 out of these NG streams to use separately.  That's one of the key omissions in all the hypedrogen happy-talk, and it tells you that everything so far is pure greenwash.

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