Bitcoin Mining Companies Ranked by Fleet Efficiency
Energy per terahash (J/TH) — lower is better · Read methodology →
Best fleet efficiency
16 J/TH
ABTC
Avg efficiency (2026Q1)
18.3 J/TH
-0.6% vs prev quarter
Combined power
4,853 MW
In 2026Q1
Companies reporting
6
In 2026Q1
Fleet efficiency (latest quarter, J/TH)
Fleet efficiency — quarterly trend (top 8)
Detailed rankings
6 companies with data · 2026Q1| # | Company | J/TH | Cash cost | Energy cost | Power (MW) | Hashrate | BTC mined | Source |
|---|---|---|---|---|---|---|---|---|
| 1 | American Bitcoin (ABTC) | 16 | $36,200 | — | — | 28.1 EH/s | 817 | 2026Q1 |
| 2 | CleanSpark (CLSK) | 16.07 | — | — | 808 | 44.41 EH/s | 1,799 | 2026Q1 |
| 3 | TeraWulf (WULF) | 16.3 | $-381 | $-536 | 145 | 7.9 EH/s | 168 | 2026Q1 |
| 4 | BitFuFu (FUFU) | 17.7 | — | — | 457 | 25.9 EH/s | 126 | 2026Q1 |
| 5 | Riot Platforms (RIOT) | 20.2 | $44,629 | $34,823 | 1,262 | 36.4 EH/s | 1,473 | 2026Q1 |
| 6 | Canaan (CAN) | 23.6 | — | — | 266 | 6.81 EH/s | 258 | 2026Q1 |
| 7 | Bitdeer (BTDR) | — | — | — | 1,744 | 69.5 EH/s | 2,034 | 2026Q1 |
| 8 | Soluna Holdings (SLNH) | — | — | — | 171 | 0.73 EH/s | 28 | 2026Q1 |
| 9 | Cango (CANG) | — | — | — | — | 37.01 EH/s | 0 | 2026Q1 |
| 10 | Bitfarms (BITF) | — | — | — | — | — | — | 2026Q1 |
| 11 | CIpher Digital (CIFR) | — | — | — | — | — | — | 2026Q1 |
| 12 | Core Scientific (CORZ) | — | — | — | — | — | — | 2026Q1 |
| 13 | HIVE Digital Technologies (HIVE) | — | — | — | — | — | — | 2026Q1 |
| 14 | Hut 8 (HUT) | — | — | — | — | — | — | 2026Q1 |
| 15 | Iris Energy (IREN) | — | — | — | — | — | — | 2026Q1 |
| 16 | Marathon Digital (MARA) | — | — | — | — | — | — | 2026Q1 |