02 — Economics

Revenue per unit, not panels per roof.

NOI underwrites your roof, finances the system, meters consumption, and bills tenants directly. You see a new revenue line — not a construction project. Here's how the math typically lands.

Model · 12-unit multifamily
Line item
Before NOI
With NOI
Units
12
12
Avg. monthly rent / unit
$1,850
$1,850
Solar revenue / unit / mo
+$148
Revenue per unit
$1,850
$1,998
Annual NOI lift
+$21,312
Capex from owner
$0
Live property · 24-unit, Tampa

Tenants pay less. You collect the margin. Everyone wins except the utility.

Below is a real Tampa property running on NOI today. Tenants save roughly 30% versus their previous bill — and the landlord adds a five-figure revenue line they didn't have last year.

Property units
24
Avg. tenant utility bill (before)
$187 / mo
Avg. tenant bill on NOI
$132 / mo
Monthly revenue to landlord
+$1,584
NOI platform fee (5%)
−$79
Stripe & processing
−$28
Annual NOI uplift
+$17,724
Three levers

Why the NOI line keeps growing.

Rate inflation

Utility prices have risen ~4–6% annually for a decade. Your tenant rate moves with the market — your cost basis doesn't.

Higher occupancy

Tenants on cheaper power renew at higher rates. We see meaningful retention lift across NOI portfolios.

Asset value

An extra five-figure revenue line at typical multifamily cap rates can add six figures to your building's appraised value.

Illustrative. Final numbers depend on roof orientation, local utility rates, tenant load profile, and financing structure.