401 Miller Avenue, Mill Valley, CA, USA
401 Miller Ave, Mill Valley, CA 94941 is a small multi-tenant commercial building hosting food & beverage and personal service businesses, including a Puerto Rican restaurant and a hair salon. The property operates with standard retail/restaurant energy loads across multiple suites totaling an estimated 3,000–5,000 sq ft.
Projected savings.
Year 1
$85,200
Lifetime (~30 yr)
$6,356,000
By the numbers.
5.9
Years to payback
$15.1M
Total benefits (lifetime)
$8.7M
Property value gain
$712,582
Tax incentives captured
Levelized cost of electricity
Like most California businesses, the site was paying high Peak rates and large Demand charges — the kind of bill structure that punishes daytime energy use and penalizes the very hours commercial properties consume the most power. The result was a Levelized Cost Of Energy (LCOE) of $1.15/kWh from PG&E, reduced to $0.06/kWh from SolarPorts.
SolarPorts evaluated their interval power usage (every 15 minutes) and proposed a right-sized 117 kW solar system for on-site generation delivered as 7 SolarPort carport structures above the parking lot and a rooftop array on the building.
The system now produces roughly 183,456 AC kWh of clean energy each year, an estimated $85,200 in year-one utility offsets, and around $6,356,000 in net lifetime savings — turning a recurring operating-cost into a long-term, predictable energy hedge.
System spec
System design
- Site
- 401 Miller Avenue, Mill Valley, CA, USA
CA - Utility
- PG&E
- Seismic rating
- 1.2
- Irradiance
- 2
- System size
- 117.0 kW DC
- Estimated production
- 183,456 AC kWh / year
- Year-1 utility offset
- $85,200
- Lifetime savings (~30 yr)
- $6,356,000
- Solar panels
-
234 ×
Canadian 450 - Bifacial
(210 carport · 24 rooftop) - SolarPort structures
- 7
- Wire loss
- 2.0%
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