It happens because probably the mining activities are rising because of rising price of Bitcoin itself. Where BTC prices in the bullish era, commonly mining will be higher because the results may be worthy, not like in the bearish period.
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Kyrgyzstan Raises Electricity Rates for Cryptocurrency Miners
The government of Kyrgyzstan has recently revised its electricity tariffs for various groups of consumers. Authorities in Bishkek have raised the rates at which crypto mining businesses buy power citing the energy-intensive nature of the coin minting process. See more for yourself here.