Raining money: A file picture showing a visual representation of the digital crypto-currency. It is made in giant computer farms that process complex algorithms in halls as big as airport hangers. — AFP STOCKHOLM: The Nordic region once again has become a lucrative place to mine crypto-currencies, thanks to a plunge in electricity prices. The wettest weather in at least 20 years boosted production from hydro-electric plants, leaving Sweden and Norway with some of the lowest power prices in the world. The resulting glut in the most important raw material for making the virtual coins coincided with a year when the price of bitcoin tripled. The currencies are made in giant computer farms that process complex algorithms in halls as big as airport hangers. That makes electricity one of the key inputs, with operations sometimes consuming as much power as that used by 70,000 households. The current market dynamics give big miners alternatives to places where bitcoin are usually created such as China, Kazakhstan and Canada. Their luck follows several years of poor margins from higher electricity costs and lower prices for most virtual currencies. Many of the the miners that were attracted to the region during the last rally in 2017 have left. “The ones that stayed through the difficult period, like us, are quite happy now, ” said Philip Salter, head of operations at Hong Kong-based Genesis Mining Ltd, which operates a data centre in Boden, Sweden. “There were times we were not making any profit at all, but during the last year our profitability has more than tripled.” Unusually wet weather along with mild temperatures boosted hydro reservoirs across Nordic region to the highest level in more than 20 years, leaving the area awash in generation capacity. The result is power prices close to zero for extended periods. Average prices this year are about a third of those in Germany, Europe’s biggest power market. Norway had the lowest electricity prices for industrial users last year among the 30 member-nations in the International Energy Agency. It also had the lowest prices for non-households in the European Union during first half of this year, narrowly beating Iceland, another crypto-currency hot-spot. “These prices are some of the lowest you can find in the world if you disregard fees and taxes, ” said Tor Reier Lilleholt, head of analysis at Norwegian consultant Wattsight AS. “What we saw this summer was that the low levels registered over such a long time.” The main environmental benefit from basing the mining in the Nordic region is that the electricity is almost carbon-free, consisting mostly of hydro, nuclear and wind power. That is becoming increasingly important for the many institutional investors attracted to crypto-currencies and one of the main factors behind the latest price surge. Having coin flowing from the Nordic region helps reduce the political risk profile of Bitcoin. “There is a very important strategic shift away from mining in China to mining in western countries like Sweden as bitcoin investors become more public and want more stability and critical safety, ” said Salter at Genesis. “It is one of the biggest developments in Bitcoin mining to look out for.” Comparing electricity prices around the world is difficult since they vary between industries and regions due to taxes, fees and subsidies. One attempt by the World Bank, which measures the bills of an imaginary warehouse in the capital of each nation, puts Sweden and Norway well below China but above other centres for making crypto-currency, like Kazakhstan and Mongolia. The cost of power is poised to become even more significant for miners. The hash-rate, the amount of calculation needed to produce each coin, is steadily increasing. And in May, miners’ rewards were cut by a so-called halving, a reduction in the amount of tokens they receive as a way to maintain scarcity. Many of the miners that left the region after the 2017-18 boom and bust could return. The November announcement of US$35mil investment from Dutch blockchain company Bitfury Holding BV to expand their Norwegian site could mark the start of a new trend. “We have seen a notable up-tick in investor appetite for bitcoin mining opportunities in Norway, ” said Tyler Page, a business developer at Bitfury. “This year’s energy prices were particularly low as Bitcoin prices have increased.” — Bloomberg
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