550 West Charter Way
Stockton, CA
550 W. Charter Way is the American Inn (Days Inn-branded), a 75-room, 24-hour hotel near Interstate 5 in South Stockton. The hospitality property has continuous HVAC, lighting, laundry, and water-heating loads typical of a mid-scale lodging operation.
Projected savings.
Year 1
$39,400
Lifetime (~30 yr)
$2,941,000
By the numbers.
1.1
Years to payback
$7.0M
Total benefits (lifetime)
$4.0M
Property value gain
$92,523
Tax incentives captured
Levelized cost of electricity
Like most Stockton 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 $1.16/kWh from PG&E, reduced to $0.02/kWh from SolarPorts.
SolarPorts evaluated their interval power usage (every 15 minutes) and proposed a right-sized 45.0 kW solar system for on-site generation delivered as a rooftop array on the building.
The system now produces roughly 84,672 AC kWh of clean energy each year, an estimated $39,400 in year-one utility offsets, and around $2,941,000 in net lifetime savings — turning a recurring operating-cost into a long-term, predictable energy hedge.
System spec
System design
- Site
- 550 West Charter Way
Stockton, CA 95206 - APN
- 16504012
- Utility
- PG&E
- Seismic rating
- 1.2
- Irradiance
- 2
- System size
- 45.0 kW DC
- Estimated production
- 84,672 AC kWh / year
- Year-1 utility offset
- $39,400
- Lifetime savings (~30 yr)
- $2,941,000
- Solar panels
- 90 × TSM-DEG18MC.20(II)
- Wire loss
- 2.0%
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