French networks may be blending hydrogen in natgas by 2030
PARIS Nov 15 (Reuters) - The French gas network could be adapted to pipe a mix of natural gas with 20% hydrogen from 2030 onwards, as part of efforts to cut carbon emissions, operators said on Friday.
Hydrogen produces water when it burns rather than the greenhouse gas CO2, offering a clean fuel if it is produced from renewable sources such as wind or solar energy, rather than from oil and gas, the source for most hydrogen produced now.
GRTgaz, GRDF, Elengy and other operators said the French network could initially use a mix of natural gas with 6% hydrogen. They recommended that the government set a target of 10% by 2030 and 20% beyond that.
The operators told a conference in Paris that the network could be adapted to deal with the change at a limited cost.
Germany and other European countries have also been studying using a mix of natural gas and hydrogen in their networks to help reduce emissions that are warming the planet.
However, adopting hydrogen as fuel still faced significant challenges. The gas can be produced from water by electrolysis, but it demands large amounts of electricity, so the benefit is undermined if the power is produced from fossil fuels.
Most French electricity is generated from nuclear plants, which environmentalists oppose because they produce radioactive waste even if they do not emit greenhouse gases.
The International Energy Agency (IEA) said in a report in June that producing hydrogen from low-carbon energy was still expensive and the development of infrastructure to assist its adoption was proceeding slowly.
IEA renewable energies head Paolo Frankl told the conference about 70 million tonnes of hydrogen was produced globally a year, equivalent to the consumption of about half a billion cars. But he said 90% came from fossil fuels, generating about 800 million tonnes of CO2.
In France, hydrogen is now mostly produced from oil and gas and mainly for industrial use, accounting for about 3% of French emissions, according to the energy ministry.
In its long-term energy plan, France aims to decarbonize industrial hydrogen production by about 10% by 2023 and has set aside 100 million euros ($110 million) this year to encourage hydrogen use, particularly for the transport.
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