Bitcoin Mining After the 2024 Halving: A Practical Guide to 2026 Economics
In April 2024, Bitcoin’s block subsidy halved from 6.25 BTC to 3.125 BTC. Two years later, the network has settled into the new economics. This is what survived, what didn’t, and what 2026 mining actually looks like — without the doom or the hype.
What the halving did, mechanically
Every 210,000 blocks (roughly four years), Bitcoin’s block reward halves. April 2024 was the fourth halving event. Each one cuts in half the new BTC entering circulation per block — a hard-coded supply constraint that’s defined Bitcoin since 2009.
For miners, the halving has one immediate effect: revenue per terahash halves overnight (assuming constant BTC price and difficulty). A rig earning $10/day on April 19, 2024 earned $5/day on April 20, with everything else equal.
Of course, everything is rarely equal. The market knows the halving is coming and prices it in over the prior 12–18 months. By the time the event happens, the run-up has typically increased BTC price enough to partially offset the subsidy cut. In post-halving 2024, that’s roughly what happened — BTC ranged from $60k to $80k+ in the months that followed, partially compensating for the halved subsidy.
Network response
Network hash rate did not collapse. It dipped briefly in the weeks after the halving as the most marginal hardware (S9s, S17s, older M30s) shut off, then resumed climbing. By Q3 2025 the network was at all-time-high hash rate, well past pre-halving levels.
The composition of that hash rate shifted meaningfully:
- Out: anything older than the S19j Pro+ generation. Inefficient hardware (>30 J/TH) is uneconomic at any electricity rate that retail miners face.
- Steady: S19 XP and equivalent (~21 J/TH). Marginal but viable on cheap industrial power.
- In: S21 family and Whatsminer M60 series. Current efficiency frontier (~13.5–18.5 J/TH).
Profitability across hardware tiers, 2026
Net daily margin per unit at $0.06/kWh, with current network conditions:
| Hardware | J/TH | Daily revenue | Daily power cost | Net |
|---|---|---|---|---|
| Antminer S19 (older) | 34.5 | $5.20 | $4.55 | +$0.65 |
| Antminer S19j Pro+ | 27.5 | $5.95 | $4.70 | +$1.25 |
| Antminer S21++ | 14.0 | $8.30 | $4.74 | +$3.56 |
| Antminer S21 XP | 13.5 | $9.85 | $5.25 | +$4.60 |
| S21 XP+ Hyd | 12.0 | $17.50 | $8.30 | +$9.20 |
The pattern is clear: efficiency is doing all the work. A 270 TH/s S21 XP at 13.5 J/TH nets seven times more than an older S19 at the same electricity rate. At higher electricity rates the gap widens further.
What “still profitable” actually means
The post-halving question every newcomer asks is “is mining still worth it?” The honest answer requires three caveats:
1. It’s profitable at the right electricity rate.
Below $0.06/kWh, current-generation hardware is comfortably profitable. Above $0.10/kWh, only hydro-cooled flagships are marginally so. Above $0.15/kWh, no hardware is profitable at residential scale. See our regional electricity rates guide for where to deploy.
2. It’s profitable on the right time horizon.
“Profitable” doesn’t mean “instantly profitable.” Modern flagships have payback periods of 12–18 months at current conditions — meaning the rig pays for itself in capex over that window, then generates net profit for the remaining hardware lifetime (typically 3–5 years total). If your horizon is shorter than 18 months, mining is risky.
3. It’s profitable if you HODL or sell, but not both.
Many miners sell mined BTC daily to cover electricity. Others HODL. The economic outcome depends on BTC price trajectory, which nobody knows. The 2024–2026 period rewarded HODLers handsomely; the 2018–2020 period punished them. This isn’t a free variable — it’s a strategic decision tied to your conviction on BTC’s price arc.
2028 halving prep
The next halving is expected around April 2028. Block subsidy drops to 1.5625 BTC. The same compression will repeat:
- Anything above ~16 J/TH efficiency will become marginal even on cheap power
- Hardware purchased today (S21 XP class at 13.5 J/TH) should remain viable post-2028 at sub-$0.06/kWh power
- Hardware purchased today below current frontier (S19 XP class at 21 J/TH) likely doesn’t survive the next halving except in very-cheap-power industrial deployments
Practical implication: if you’re buying hardware in 2026 with a 5-year horizon spanning the next halving, prioritize efficiency over hash density. The dollar-per-watt economics are what survives the next compression.
What we recommend
For a first-time miner in 2026: buy current-generation hardware (S21 XP class or equivalent), confirm sub-$0.07/kWh electricity, model with realistic difficulty growth assumptions (~30–40% per year), and don’t take on rig leverage you can’t service if BTC drops 50%.
For deeper economic detail: Total Cost of Ownership Guide. For comparing specific models: How to Choose Your First Miner and Antminer S21 XP vs Whatsminer M60S.