How to Build a Zcash Mining Farm: From 1 to 100 Miners

The Three Phases of a Zcash Mining Farm

Mining farm development has three distinct phases, each with different constraints and priorities. Understanding which phase you're in shapes every infrastructure and capital decision.

• Phase 1 (1–5 miners): Home or small dedicated space. Electrical capacity is the binding constraint. Co-location is a viable alternative to avoid infrastructure investment.
• Phase 2 (5–20 miners): Dedicated facility or industrial co-location. Commercial electricity rates become accessible. Monitoring and management software becomes essential.
• Phase 3 (20+ miners): Full industrial operation. Electricity negotiation is the primary competitive lever. Sub-$0.06/kWh power or direct renewable partnerships become necessary for profitability.

Phase 1: The 1–5 Miner Setup

Power Infrastructure

Five Z15 Pros draw 5 × 2,780W = 13,900W continuously. At 240V that's approximately 58A of continuous draw - requiring a 70–80A dedicated feed with proper headroom. A sub-panel is the practical solution: install a 100A sub-panel in your mining space, then run individual 30A 240V circuits per miner from it. Budget $1,500–$3,000 for this electrical work depending on distance from your main panel and local labour rates.

Physical Setup

Mount miners on open metal shelving (not wood - heat and fire risk). Maintain at least 12 inches of clearance behind each miner for exhaust airflow. Airflow direction: cool air enters from the front, hot air exits the rear. Arrange miners so exhaust from one doesn't feed into the intake of another. A linear row with a central aisle is the simplest configuration.

Internet Connectivity

Standard broadband (even 10 Mbps) is more than sufficient for any number of ASIC miners - the mining protocol data is minimal. Reliability matters more than speed. Consider a 4G LTE backup router for failover; a few hours of missed mining during an ISP outage is real lost revenue on a 5-machine farm.

Phase 2: The 5–20 Miner Operation

The Co-Location Decision

At 10+ miners, co-location deserves serious evaluation against self-hosting. The comparison:

For 10 Z15 Pros at $0.12/kWh vs co-lo at $0.07/kWh + $80/month hosting: self-hosted electricity = $2,002/month; co-lo electricity equivalent = $1,168/month + $800 hosting = $1,968/month. Break-even, plus you avoid the capital cost of building out your own facility. At larger scale, the electricity advantage of co-location grows.

Mining Management Software

At 5+ miners, manually checking each unit's web dashboard becomes impractical. ASIC management software aggregates status, hashrate, temperature, and alerts across your entire fleet:

• Awesome Miner: Comprehensive ASIC management with alerts, auto-restart on crash, pool switching. Free tier up to 2 miners; paid tiers for larger fleets.
• Miner Control: Lightweight dashboard for Antminer fleets. Good for homogeneous Z15 Pro farms.
• Foreman.mn: Cloud-based monitoring with mobile alerts. Good uptime tracking and thermal monitoring.

Phase 3: The 20+ Miner Industrial Farm

Electricity is Everything

At 20 Z15 Pros, your monthly electricity consumption is approximately 40,000 kWh. The difference between $0.05/kWh and $0.10/kWh is $2,000/month - $24,000/year. At this scale, electricity negotiation is the most valuable activity in the entire operation. Strategies:

• Direct contracts with electricity providers for industrial rates
• Partnering with renewable energy generators for stranded power agreements
• Locating in jurisdictions with structurally cheap power (Iceland, Norway, certain US states)
• Demand response programmes that provide bill credits for curtailing load during grid peaks

The Economics of Scale

Scaling from 1 to 20 miners doesn't just multiply profit linearly - it creates economies of scale. Volume hardware discounts (5–10% off MSRP for 10+ unit orders from authorised resellers), negotiated electricity rates, and co-location volume pricing all improve per-unit economics. A 20-miner operation at $0.06/kWh and $80 ZEC price may be profitable while a single home miner at $0.13/kWh is not. Scale is a genuine competitive advantage in mining.

Farm Monitoring Checklist