7100 SAN RAMON RD
DUBLIN, CA
7100 San Ramon Rd is a ~150,656 sq ft, 2-story multi-family residential apartment complex (264 units) on an 8.28-acre lot, built in 1981. The property operates continuous residential loads including HVAC, common-area lighting, pool/spa equipment, and a fitness center.
Projected savings.
Year 1
$10,200
Lifetime (~30 yr)
$759,000
By the numbers.
17.0
Years to payback
$1.8M
Total benefits (lifetime)
$1.0M
Property value gain
$105,581
Tax incentives captured
Levelized cost of energy
Like most DUBLIN 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 $1.22/kWh from PG&E, reduced to $0.19/kWh from SolarPorts.
SolarPorts evaluated their interval power usage (every 15 minutes) and proposed a right-sized 13.2 kW solar system for on-site generation delivered as a rooftop array on the building.
The system now produces roughly 20,698 AC kWh of clean energy each year, an estimated $10,200 in year-one utility offsets, and around $759,000 in net lifetime savings — turning a recurring operating-cost into a long-term, predictable energy hedge.
System spec
System design
- Site
- 7100 SAN RAMON RD
DUBLIN, CA 94568-3201 - APN
- 941-40-6-10
- Utility
- PG&E
- Seismic rating
- 1.55
- Irradiance
- 2
- System size
- 13.2 kW DC
- Estimated production
- 20,698 AC kWh / year
- Year-1 utility offset
- $10,200
- Lifetime savings (~30 yr)
- $759,000
- Solar panels
- 24 × Solar 4 America 550
- Wire loss
- 2.0%
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