1521 CALIFORNIA CIR
MILPITAS, CA
1521 California Cir is a ~24,892 sq ft office building built in 2000, located in the North Milpitas business corridor. The property has hosted technology and professional services tenants, typical of Silicon Valley office occupancy with standard commercial electrical loads.
Projected savings.
Year 1
$111,100
Lifetime (~30 yr)
$7,287,000
By the numbers.
2.2
Years to payback
$16.5M
Total benefits (lifetime)
$9.2M
Property value gain
$245,209
Tax incentives captured
Levelized cost of energy
Like most MILPITAS 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 $1.01/kWh from PG&E, reduced to $0.03/kWh from SolarPorts.
SolarPorts evaluated their interval power usage (every 15 minutes) and proposed a right-sized 154 kW solar system for on-site generation delivered as a rooftop array on the building.
The system now produces roughly 241,316 AC kWh of clean energy each year, an estimated $111,100 in year-one utility offsets, and around $7,287,000 in net lifetime savings — turning a recurring operating-cost into a long-term, predictable energy hedge.
System spec
System design
- Site
- 1521 CALIFORNIA CIR
MILPITAS, CA 95035-3023 - APN
- 02237046
- Utility
- PG&E
- Seismic rating
- 1.69
- Irradiance
- 2
- System size
- 153.9 kW DC
- Estimated production
- 241,316 AC kWh / year
- Year-1 utility offset
- $111,100
- Lifetime savings (~30 yr)
- $7,287,000
- Solar panels
- 342 × Canadian 450 - Bifacial
- Wire loss
- 2.0%
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