Energy & cooling · Page 2
Mining news and original analysis with dated primary sources.
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.
New Zealand’s new tariff-data rules make electricity plans easier to identify
Rules effective October 30 introduce plan identification codes and cover still-active legacy plans. Home miners can compare the actual contract with their operating hours; broader billing reforms have a later implementation deadline.
Ofgem plans energy-debt relief for spring 2027: what home miners should check now
The October 29 announcement targets hardship and crisis-era debt in Great Britain, alongside billing and payment reforms. It changes the outlook for household bills, not the current electricity price of a mining rig.
Serbian day-ahead electricity reaches €330/MWh: a tougher day for spot-priced mining
SEEPEX lists €330.04/MWh for October 29, 12.8% above October 28. A constant 1 kW load would use about €7.92 of wholesale energy that day, before network charges, taxes and supplier costs.
Cherkasy updates October 27 evening outages: check the subqueue before running a miner
The operator’s 14:00 update gives different two-hour intervals for twelve subqueues. These are local scheduled outages, separate from the 06:00–24:00 power restrictions announced for regional industry and business.
NERC asks to register large mining loads: the proposal has two size tests
The October 21 filing seeks approval for owner and operator registration at computational sites with at least 50 MW and a qualifying 100 kV connection. It is a proposal, not a new home-mining rule.
A British plan targets lower electricity bills: what it could mean for home mining
E3G’s October 23 report sets out eight reforms that could cut bills by roughly 20% by 2030 against 2025/26 levels. It is a policy proposal with costs and conditions, not a new electricity tariff.