Commercial Solar for Office Building in Round Rock
A typical commercial solar system for office building in Round Rock can save up to $2,174,584 over 25 years. With 5.1 peak sun hours per day and a commercial electricity rate of approximately $0.104/kWh through Oncor, Round Rockis one of Texas's strongest markets for commercial solar.
kWh/m² per day in your area
Avg $/kWh through Oncor
For a typical Round Rock office building
With all federal & state incentives
Why Round Rock Office Building Are Ideal for Solar
Office buildings have HVAC-dominated energy loads that align well with solar production. Daytime peak usage matches peak solar generation.
Strong Solar Resource
Round Rock averages 5.1 peak sun hours per day, ideal for commercial solar production.
Real Utility Rates
With Oncor commercial rates around $0.104/kWh, every solar kWh delivers direct savings.
Tax Advantages
30% Federal ITC + 5-year MACRS depreciation + 100% Texas property tax exemption stack together.
Round Rock Office Building Solar: Local Market Context
Why Round Rock
Round Rock's concentration of tech employers and corporate headquarters—including Dell's global operations—creates dense clusters of Class A office space with daytime energy consumption peaking between 11 AM and 4 PM, when NREL data shows Round Rock's solar arrays produce 78% of their daily output. With 5.1 peak sun hours daily and HVAC systems driving summer demand charges that can exceed $8.50/kW during Texas Electric Reliability Council (ERCOT) peak periods, office buildings here see demand charge savings that often surpass energy savings in project economics.
Industrial Corridors
The Round Rock Research Center area along University Boulevard and the La Frontera mixed-use district house significant office inventory where solar installations can leverage existing flat-roof infrastructure without conflicting with the city's strict Tree Preservation Ordinance that affects ground-mount options. The I-35 corridor between Old Settlers Boulevard and Highway 79, anchored by Dell's Round Rock campus and surrounding corporate office parks, represents over 4 million square feet of office space with optimal south-facing roof orientations and minimal shading from Austin's taller skyline to the south.
Oncor Specifics
Oncor, as a transmission and distribution utility in Texas's deregulated market, requires commercial solar customers to coordinate net metering through their chosen retail electric provider (REP) rather than directly with Oncor, meaning office buildings must ensure their REP offers favorable distributed generation riders before interconnection. Oncor's secondary network grid design in downtown Round Rock office districts can trigger expensive spot network protector relay upgrades for systems above 50 kW, adding $15,000–$40,000 to interconnection costs that don't apply to radial-fed office parks along the I-35 corridor.
Sample Cost Breakdown for Round Rock Office Building
Estimates for a typical 300 kW system on a Round Rock office building.
| Cost Item | Amount |
|---|---|
| Gross System Cost | $510,000 |
| Federal ITC (30%) | −$153,000 |
| MACRS Depreciation Tax Savings | −$108,375 |
| Texas Property Tax Exemption (25 years) | −$280,500 |
| Net Effective Cost | $248,625 |
Frequently Asked Questions
Common questions from Round Rock commercial property owners
