How much electricity does mining bitcoins use

Producing that energy emits some 65 megatons of carbon dioxide into the atmosphere annually — comparable to the emissions of Greece — making crypto a significant contributor to global air pollution and climate change. Rhodes of the Center on Global Energy Policy. The Texas grid operator ERCOT estimates that crypto miners may increase energy demand by up to 6 gigawatts by mid, roughly the equivalent of adding another Houston to the grid.

Some four million customers across the state were without power during the crisis. As Bitcoin mining increasingly comes under fire for its growing energy use, the phenomenon may be approaching a tipping point where, in order to prove to be a true game changer, crypto will need to come clean and go green. The Line Goes Up Bitcoin enthusiasts, or miners, earn coins by using computers to solve puzzles in the decentralized database that underpins it, the blockchain.

In the early days of Bitcoin, about a decade ago, miners could use home computers to mint new coins that were worth a few dollars, at least on a screen. As the market grew over time, the puzzles the miners had to solve to earn new coins grew more and more complex, requiring increased computing power and, by extension, energy.

Today, Bitcoin mining is a highly competitive business, with sprawling, climate-controlled facilities that house tens of thousands of high-tech computers operating around the clock. Source: Yahoo! Finding cheap, plentiful energy is a key part of this strategy, and a deciding factor in where mining operations choose to set up shop. Mining companies raced to find suitable locations with more lenient policies. Some mining operations in China had reduced their carbon emissions by taking advantage of cheap and abundant hydropower — a renewable energy source — during the rainy season.

Perhaps even more concerning, some companies in the U. Greenidge Generation, a natural gas-powered Bitcoin mining plant in the picturesque Finger Lakes region of upstate New York, is a controversial example of this trend. New Zealand That is likely to shift Bitcoin mining and electricity consumption to computers outside of China that may require different amounts of energy and rely on different sources for that energy.

However, the environmental impact is an important consideration when deciding whether or not to participate in the bitcoin network or a more energy-efficient alternative. Carbon Footprint According to Digiconomist, the carbon footprint of a single bitcoin transaction in is roughly In China, most electricity comes from coal-burning power plants, which has a huge environmental impact. So when most bitcoin mining mainly took place in China, it relied on a grid that was primarily powered by dirty, coal-burning power plants.

Electronic Waste Specialized equipment required for bitcoin mining, unlike requirements for some other cryptocurrencies , cannot be repurposed for other tasks. This generates massive amounts of electronic waste in the form of computer hardware. According to Digiconomist, in a single bitcoin transaction yields Note Some components of the mining equipment also include metals such as aluminum, copper, iron, and rare earth metals.

Some researchers believe that less than ideal recycling and waste collection in countries that have large mining operations could create a risk of toxic metals polluting the soil, water, and air in those countries. Greener Alternatives? There are other consensus mechanisms such as " proof of stake " PoS followed by cardano or the Stellar Consensus Protocol SCP used by stellar, that are designed for faster transactions and lower electricity usage. Note The ethereum network moved from a proof-of-work to a proof-of-stake consensus mechanism in Sept.

By moving to PoS, the ethereum network hopes to reduce its energy consumption by For those who that stick with bitcoin mining, the best ways to cut energy use include shifting to renewable energy, like solar or wind power, or buying the most efficient mining hardware.

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Science Jul 14, PM EDT The first time Jackie Sawicky learned that a Bitcoin mining operation was coming to Corsicana, a rural Texas city 60 miles south of Dallas, was on April 27, when she happened upon a Facebook video of a meeting at the local public library.

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