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Bitcoin Electricity Consumption – Part 2

05-29-2018 07:04 PM CET | IT, New Media & Software

Press release from: Smarter Business

The debate rages on as bitcoin electricity consumption increases…

Earlier this year, we published an article on bitcoin electricity consumption, reporting how Iceland has become one of the top locations for cryptocurrency servers, which now exceed the consumption of private energy users.

Now, the criticism amongst ecological circles and the debates around bitcoin electricity consumption have been fuelled by a paper by Alex de Vries of PwC’s Experience Center in Amsterdam.

His paper, Bitcoin’s Growing Energy Problem, concludes that bitcoin’s electricity consumption could soon be heading above a consumption rate of 8 gigawatts (GW) per year.

The paper’s findings:

At the moment, the bitcoin network consumes at least 2.55 GW of electricity – as high as the annual energy consumption of Ireland.
This could reach a consumption of 7.67 GW in the future – close to the energy consumption of the entire nation of Austria (8.2 GW).
By the end of 2018, the mining of bitcoin could be using as much as 0.005% of the entire world’s energy use.
The reality is that bitcoin uses a massive amount of energy. Author Alex de Vries says: “The bitcoin development community is experimenting with solutions such as the Lightning Network to improve the throughput of the network, which may alleviate the situation. For now, however, bitcoin has a big problem and it is growing fast.”

Why does bitcoin mining require so much energy?
The bitcoin mining process uses computers with software that can solve complex mathematical problems. A new block is added to the blockchain every time a new problem is solved, rewarding the miner with bitcoins. This process requires a lot of energy because the computers need to ledger all the transactions so that the same coins aren’t spent twice – this takes time and consumes a lot of electricity.

How can bitcoin electricity consumption become sustainable?
De Vries’ research reveals that if the price of bitcoin continues to go down, and the amount of energy needed to mine it continues to rise, bitcoin investment could become inefficient.

One of the ways this can be avoided is if the world shifts to 100% renewable energy in the years ahead. With renewables, the environmental and efficiency concerns around bitcoin energy usage would be negated.

But is it possible to go 100% green?

New research from Renewable and Sustainable Energy Reviews journal found that a shift to total renewable energy using contemporary technology is both possible and affordable.

Co-author of the research, Brian Vad Mathiesen of Aalborg University says: “There are some persistent myths that 100 percent renewable systems are not possible. Our contribution deals with these myths one-by-one, using all the latest research. Now let’s get back to the business of modelling low-cost scenarios to eliminate fossil fuels from our energy system, so we can tackle the climate and health challenges they pose.”

If we were to eliminate fossil fuel usage, this would eliminate the environmental and efficiency challenges caused by energy-intensive bitcoin mining.

It’s not impossible to imagine a world in which bitcoin is used exclusively, backed by green energy. If there’s one thing we’ve learnt over time, it’s to ‘never say never’…

Smarter Business is one of the UK’s leading independent consultancies, helping businesses secure the most comprehensive savings solutions from utilities contract management and procurement to business loans and facilities maintenance.

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Bridge Road
Haywards Heath
West Sussex
RH16 1UA

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