Calculator — Mackwell

1. Main Operating Parameters

Mode: Boiler Size (Nominal): Process Heat Temp (°C):

Capacity Factor (%): System Lifespan (Years): Already have a functional boiler? (Sets competitor Total Installed Cost to 0, retaining only Maintenance/Fuel costs)

2. Primary Economics

Currency: Discount Rate (%): Mackwell Base Total Installed Cost ($ per 300kW): Grid Upgrade Charge ($):

Electricity Price (per MWh):

$

Carbon Tax (per Tonne CO₂):

$

Biomass Price: Coal Price: Natural Gas Price:

Advanced Options: Edit Base Costs & Allocations

Industry Benchmarks & Costs

Technology	Efficiency (%)	Total Installed Cost ($/kW)	Annual Maint. ($/kW/yr)	Emissions Factor (tCO₂/GJ)
Conv. Biomass Boiler
Coal Boiler
Natural Gas Boiler
Electric Resistance
Heatpump
Solar + Battery		Calculated Below
Grid Electricity
Gasification CHP

Solar & Battery Specifics

Solar Yield (kWh/kWp/year):

Typical values: NZ (~1000 - 1300), Germany (~900 - 1100), US (~1200 - 2000). Refer to the Global Solar Atlas.

Battery Storage (Hours):

Solar Panel Total Installed Cost ($/kW):

Battery Total Installed Cost ($/kWh):