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Unit economics need volume, costs, and fees.
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Fixed costs$3.0M/mo
Base monthly spend
Contribution margin87%
After variable costs
Break-even revenue$3.4M/mo
Monthly target
Break-even timingMonth 1
Launch month
Break-even calculator
Use this calculator to test whether monthly revenue can cover variable costs and the fixed monthly cost base.
Money available to cover fixed costs$5,040,422
$5,663,396 revenue - $622,974 variable expenses
Margin ratio
89%
Covers fixed costs
Yes
Break-even chart Revenue Total costs
Which waste-to-energy facility expenses are fixed, variable, semi-variable, or semi-fixed for break-even?
Cost classification
Break-even works only if fixed expenses stay in the numerator and true unit costs reduce margin. Power revenue isn’t pure margin because reagents, auxiliary power, transport, ash disposal, and staffing steps all affect the Month 1 break-even math.
Expense
Cost
Break-Even Treatment
Common Mistake
Debt Service - Interest Payments
Fixed
Include $1.8M per month in the fixed cash burden through Month 60.
Dropping financing payments from cash break-even.
Ash and Residue Disposal Contract
Fixed
Carry $450k per month as a base-load obligation before unit margin.
Ignoring ash disposal because revenue comes from tipping fees and power.
Property Tax and Land Lease
Fixed
Use $125k per month across the planning range, not per ton.
Tying land charges to waste volume.
Pollution Control Reagents
Variable
Reduce contribution margin using $1.00 per waste processed ton and the modeled revenue percentage.
Treating emissions inputs as overhead.
Auxiliary Power Consumption
Variable
Scale with electricity output using $0.70 per MWh and the modeled revenue percentage.
Treating electricity revenue as pure margin.
Final Transportation
Variable
Apply $18.00 per non-ferrous metals ton when calculating recovery margin.
Applying the charge to all waste tons.
Maintenance Coverage and Spare Parts
Semi-variable
Separate the $415k monthly maintenance contract from spare parts that move with tons processed.
Making all maintenance fixed or all labor variable.
Environmental Compliance Officer Staffing
Semi-fixed
Model the step from 1 FTE to 2 FTE in Year 3 at $110k annual salary per FTE.
Smoothing compliance headcount into a revenue percentage.
How do lean, base, and full operating cases change break-even pressure at a waste-to-energy facility?
Scenario table
Higher throughput is the main lever. Revenue rises from $4.69M to $6.11M a month, while fixed cost stays near $3.15M, so break-even pressure eases as the plant runs fuller.
Planning assumptions only; actual results can move with feedstock mix, uptime, pricing, and maintenance load.
Scenario
Monthly Revenue
Variable Costs
Fixed Costs
CM Ratio
Operating Profit
Break-Even Signal
Lean case
$4.69M
$0.28M
$3.15M
93.9%
$1.26M
Above break-even, but cushion is thinnest here.
Base case
$5.66M
$0.34M
$3.15M
94.1%
$2.17M
Higher output spreads fixed costs and widens cushion.
Full case
$6.11M
$0.35M
$3.15M
94.2%
$2.60M
Strongest cushion; fixed costs are best diluted here.
What breaks the break-even plan if waste intake slips or operating costs rise?
Stress test
The base case clears break-even with a wide cushion, but the margin gets tight fast if revenue drops or fixed plant costs rise. The combined stress case leaves only about $6M of room, so lower waste intake and higher maintenance are the main warnings.
Stress Case
Changed Assumption
Break-Even Revenue
Revenue Gap
Risk Signal
Current plan
No change.
$380M
$89M cushion
Base case stays well above break-even.
Revenue shortfall
Revenue falls 10% to about $422M.
$373M
$49M cushion
Waste intake weakness cuts the cushion in half.
Fixed-cost pressure
Fixed costs rise 10% to about $346M.
$411M
$58M cushion
Debt service and upkeep quickly reduce flexibility.
Margin pressure
Variable expenses rise 20% to about $78M.
$393M
$76M cushion
Consumables and maintenance pressure the spread.
Combined pressure
Revenue falls 10% and both fixed and variable costs rise.
$416M
$6M cushion
Very thin margin; a small miss turns into a loss.
What must be true before you commit to the first major capital spend on this waste-to-energy facility?
Founder checklist
Don’t start the $25M land package until waste supply, off-take, staffing, and uptime are locked. The model carries about $3.15M in monthly fixed cost and a $2.2M minimum cash floor, so the first gate is proof that Year 1 volumes can actually run.
1Waste Supply420k tons
Verify feedstock contracts can cover 420,000 tons in the first year and scale to 500,000 tons by Year 4, because the plant cannot hit break-even without steady trash intake.
2Power Off-Take295k MWh
Confirm power buyers can take 295,000 MWh in Year 1 and 350,000 MWh by Year 4, since electricity is a core revenue stream that supports the operating base.
3Thermal Demand150k MMBtu
Lock thermal demand for 150,000 MMBtu in Year 1 and 250,000 MMBtu by Year 5, because heat sales add volume without adding the same amount of plant throughput.
4Metals Recovery12.5k tons
Check that buyers exist for 10,500 tons of ferrous metals and 2,100 tons of non-ferrous metals in Year 1, with output rising to 12,500 and 2,500 tons by Year 4 and Year 5.
5Site Control$25M gate
Verify site control and zoning before the $25,000,000 land and site prep package, and do not release the $95,000,000 air pollution control spend until emissions compliance is ready.
6Staffing Cushion24 FTE, $2.2M
Confirm the first-year team of 24 FTE can support commissioning and uptime, while the listed variable costs hold near 10.9% of revenue and cash stays above the $2.2M floor.
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