The energy sector is complicated. Every day there seem to be more studies and articles that contradict the ones that preceded them, innovations that promise a lot then disappear, endless debates that mire the entire industry. All of this leads to countless shades of grey.
In this murky landscape, it is easy for a highly efficient, safe substance with the potential to reduce greenhouse gas emissions to be maligned because it is less understood.
By using renewables to split water into hydrogen and oxygen, we can provide essential energy everyday, including those times we need it most.
Here, we deep dive into the main arguments used against hydrogen and separate fact from fiction…
But hydrogen is flammable right?
Yes. Just like natural gas and other fuels, hydrogen is flammable. But just as your news headlines aren’t currently dominated by constant gas or fuel explosions, they won’t be with hydrogen either.
If hydrogen really was unable to be safely managed, would it be used as widely around the world as it is today? As you read this, vast swaths of hydrogen are being stored and transported safely in countless pipelines and vessels without any issues at all.
But let’s get back to dissecting the actual flammability. Hydrogen is lighter than natural gas (there’s a reason it’s numero uno on the periodic table), meaning that hydrogen disperses more quickly, which helps to reduce the potential for ignition.
Add to this the fact that our networks are predominantly polyethylene, allowing for the safe and effective transportation of pure hydrogen.
What about the pipes? Won’t hydrogen damage them or cause leaks?
One of the reasons hydrogen gas offers so many advantages is because there’s already a great distribution network that is largely ready (with some minor upgrades in areas) to transport it to homes and businesses across Australia. Even better, hydrogen can be safely stored in the pipes, and even transported overseas as an energy commodity.
One question we have seen raised occasionally on social media is around the additional moisture produced by the burning of hydrogen. Water vapour is found in the combustion of most gases, including natural gas, LPG and hydrogen. It is taken out though the flue of the appliance along with any other products of combustion. As we transition to hydrogen we will see a slight increase in water vapour when compared to natural gas, however the changes are miniscule when blended at up to 20% hydrogen, and remain inconsequential even at 100% hydrogen.
And as we move towards 100% renewable hydrogen, we will use our longstanding expertise and experience to ensure that we meet the same standards for renewable hydrogen gas, delivering gas safely, efficiently and reliably to our customers.
