Energy & cooling
Mining news and original analysis with dated primary sources.
German day-ahead power reaches €351.48/MWh: what it means for a running ASIC
SMARD’s November 10 delivery schedule averages €351.48/MWh. That is a wholesale energy price, not a new household tariff or an all-in hosting quote.
MARA mines more Bitcoin as revenue falls: what its $39,674 energy figure covers
The November 9 quarterly disclosure separates higher Bitcoin production from lower dollar revenue. Its owned-site energy cost is only one layer of a miner’s budget.
SunBit reports 30 Bitcoin heating systems: useful heat still needs an electricity budget
A November 8 interview describes operating installations. Official case studies show different heating roles, while continuous mining and useful household heat are not the same quantity.
Emergency power cuts override schedules in parts of Ukraine on November 8
Ukrenergo and DTEK identify different affected regions. Dnipropetrovsk restoration is expected to begin with rotational supply.
Ukrenergo sets two to four outage queues for November 7 in parts of Ukraine
The national notice covers the full day and includes industrial power limits. A home miner needs the local address schedule and actual running hours to estimate the day’s work.
ERCOT puts Texas large-load power cuts on its November 6 agenda
Texas grid operators are scheduled to discuss which large sites would register, how they would reduce grid demand and how those actions could enter power prices.
Cherkasy adds emergency cuts on November 5 while hourly schedules continue
The operator’s 10:35 notice says emergency and scheduled cuts apply together. For miners, the published timetable is a planning reference, not a measurement of actual uptime.
Cherkasy adds emergency power cuts at 08:52: mining plans need more than the hourly schedule
The operator’s November 2 alert says emergency cuts apply alongside scheduled outages. The 06:00–24:00 restriction window is not eighteen hours without power for every address.
Oklahoma groundwater cooling restrictions take effect for data centers
SB 259 takes effect November 1. It restricts evaporative or once-through groundwater cooling and requires a low-consumption system to obtain a groundwater permit.
Ontario’s new power rates begin today: cheap overnight mining comes with a peak-hour tradeoff
November 1 brings new TOU, ULO and Tiered prices, winter hours and a 15.7% electricity rebate. The 3.7 Canadian cents/kWh overnight rate is only one part of the choice for a home miner.
Vietnam cuts its average electricity price by 2%: check the tariff behind a mining bill
EVN’s October 31 notice makes the average VND 2,159.9037/kWh before VAT effective November 1. Actual customer prices follow their tariff group; the headline is not a universal mining or hosting rate.
Eurostat puts EU household electricity near €0.28/kWh: home miners need their own tariff
The October 30 release reports a 2.2% decline in the first half of 2026 from the previous half-year. This is newly published historical data, not an October tariff cut; country averages still differ sharply.