The Bitcoin Beacon
A state decision to divert hydropower has stranded one of the world’s fastest-growing mining hubs — and shown how quickly a cheap-energy bargain can reverse.
ADDIS ABABA — Ethiopia has reduced the electricity it supplies to its bitcoin mining industry by roughly three-quarters, according to a Bloomberg report on Monday. The cut lands on a sector that grew fast on the back of the country’s surplus hydropower, and it strips away most of the cheap energy that drew miners to the Horn of Africa in the first place.
This is a policy decision, not a market event. For an industry that competes almost entirely on the price of a kilowatt-hour, losing three-quarters of an allocated power supply is close to an operational shutdown.
Ethiopia became a magnet for mining because it had what most jurisdictions do not: large volumes of low-cost hydroelectric power and a state willing to sell it. After the Grand Ethiopian Renaissance Dam reached full output, the country turned surplus generation into export revenue by leasing it to miners. Roughly 23 operations had grown to draw an estimated 600 megawatts, at some of the lowest costs per coin anywhere.
Rigs arrive fast when a grid opens the door with cheap electricity. That same mobility now runs in reverse.
A 75% power cut doesn’t slow a mining operation by three-quarters. It strands the hardware and starts the depreciation clock.
The decision reflects a tension that surfaces wherever mining scales on public infrastructure. Electricity sent to mining rigs is electricity not sent to households, factories, or export customers. When a national grid tightens, mining is the easiest load to shed, because it produces nothing the domestic economy consumes directly.
Mining is attractive to a treasury hunting for buyers of surplus power. It loses to almost every other priority the moment surplus becomes scarcity. Ethiopia’s calculation appears to have shifted in exactly that direction.
Bitcoin absorbs regional shocks like this without breaking stride. The protocol re-tunes mining difficulty roughly every two weeks, so if a meaningful slice of Ethiopian hashrate goes dark, the network recalibrates and the remaining miners earn slightly more per unit of work until new capacity fills the gap. No user anywhere sees a change in how bitcoin functions.
The people who feel it are the operators and hosting businesses that built around Ethiopian power contracts. Anyone who shipped hardware there on the promise of stable, cheap electricity now has a logistics problem measured in shipping containers and border crossings.
This is the story that played out in China in 2021 and in Kazakhstan after it: the economics that pull machines in are only as durable as the political decision underneath them. Kazakhstan has since slid out of the top ten mining countries as energy caps and grid strain bit; the machines moved on.
For the Global South, the episode cuts both ways. Monetizing stranded or surplus power is a real path to revenue, and firms like Phoenix Group have kept activating hydropower-backed capacity across the region. But a hub built on one government’s spare electricity is a hub built on that government’s patience. When the lights are needed at home, the miners are first to be unplugged.
Why it matters: cheap power is a policy, not a moat — and a bargain a state can grant, a state can revoke.
The 75% supply-cut figure is as reported by Bloomberg (Sept 15, 2026) and summarized by SpendNode; Ethiopia’s ~600 MW / ~23-operation footprint and the Kazakhstan comparison are per Hashrate Index. Informational only — not financial advice.
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