Unit
One representative commercial or school solar project
Model definition
Cash Flow · Unit Economics
Would a measured improvement pay for its real cost?
Lifecycle job · Cash Flow
Unit Economics
GO, CHANGE, or STOP before platform and implementation spend.
INSTANCE OFBridgeL2 BUILT — L3 BLOCKED UNTIL OBSERVED USE
Owner decision: Mike or Austin, with the accountant · GO, CHANGE, or STOP before platform and implementation spend.
Unit Economics →Control shell
Gauge
Gross profit, expert labour cost, proposal volume, win rate, cycle cost, and sensitivity by segment.
UNKNOWN
Owner: Accountant · Collection: Enter one representative project's revenue and direct costs from Xero.
Evidence state
Offer cost ranges are public. Solar365 financial readings remain private and UNKNOWN.
Lever
Speed — only when saved or recovered value clears cost and risk.
Tool boundary: Google Sheet holds inputs and formulas. Xero remains accounting truth. No invented estimate may unlock GO.
Transfer
Remember: One real project's economics decide whether the improvement earns investment.
Observe: Open the live model and assign the accountant's first input.
Business alignment
KNOWN
Payback horizon and conviction
UNKNOWN
Owner: Mike or Austin · Collection: Set after measured inputs and downside case exist.
Revenue and cost per unit
Revenue per project
UNKNOWN
Owner: Accountant · Collection: Export one completed project from Xero.
Direct, labour, and delivery cost
UNKNOWN
Owner: Accountant · Collection: Export project-coded costs and name allocation limits.
Margin, acquisition, lifetime, and payback
Contribution margin
UNKNOWN
Owner: Model · Collection: Formula runs after all direct-cost readings exist.
CAC, LTV, LTV:CAC, payback
UNKNOWN
Owner: Mike or Austin · Collection: Define cohort and source measured acquisition evidence.
Sentence test
One-sentence economics verdict
UNKNOWN
Owner: Mike or Austin · Collection: Complete the linked model sentence after all readings exist.
Use the working model
The linked sheet is a usable, public-safe UNKNOWN shell. Make a controlled working copy before adding private readings.
Open the Solar Project Unit-Economics Model →Decision control
Kill signal
STOP if measured downside value does not clear full cost and risk, or required readings cannot be sourced without invention.
Next observable action
The accountant enters one representative project's revenue and direct costs.