Electricity plans in San Marcos
Compare 123+ plans by true cost from providers serving San Marcos. Find the right rate for your home.
Live Texas rates, updated June 2026
San Marcos fast facts
- County
- Hays County
- Population
- 67K
- TDU
- Oncor
- Sample ZIP
- 78666
- Oncor outage / switch-hold line
- 1-888-313-4747
About San Marcos
What you're shopping for power in.
San Marcos is the Hays County seat — home to Texas State University (one of the largest universities in Texas by enrollment), the Outlet Malls, and the spring-fed San Marcos River.
Climate & bill pattern
Central Texas climate — hot dry summers, mild winters.
Heavy student-rental market plus newer 2,200-3,000 sq ft Buda/Kyle-adjacent builds; usage patterns vary hugely.
Major employers
- ·Texas State University
- ·San Marcos CISD
- ·Premium Outlets / Tanger Outlets
- ·Central Texas Medical Center
Known neighborhoods
- ·University area
- ·Blanco Vista
- ·Whisper Falls
- ·Stonewood Crossing
Best in San Marcos
Best plans in San Marcos
Ranked by real monthly bill at 1,000 kWh.
Smart Choice - 12
SimpleSaver 13
Maxx Saver Value 8
SimpleSaver 12
SimpleSaver 8
The Lone Saver Plus 12
Providers
Compare providers
See the lowest true-cost rate from each retail electricity provider serving San Marcos.
Local guide
About electricity in San Marcos
San Marcos is served by Oncor as the local TDU. With a population of 67K, it's one of the deregulated markets in Texas — residents can shop 123+ competitive plans from 8+ retail electric providers serving the Oncor grid.
The average all-in rate in San Marcos is currently 14.9¢/kWh at 1,000 kWh usage. Actual rates vary by plan type, contract length, and how much your home uses. Fixed-rate plans typically offer the best value for households that don't want to think about rate swings.
Switching is 1-3 business days with no service interruption — same meter, same wires, new bill from a new company.
FAQ
Common questions
What is the average electricity rate in San Marcos?
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Approximately 14.9¢/kWh at 1,000 kWh. Plans on the Oncor grid span a wide range depending on type and term — the lowest competitive rates available statewide start around 7.7¢/kWh.
Who is the TDU for San Marcos?
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Oncor maintains the power lines and infrastructure. TDU charges are the same regardless of your retail provider — set by the Public Utility Commission.
Can I switch providers in San Marcos?
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Yes. Choose from 123+ plans available on the Oncor grid. Switching takes 1–3 business days with no service interruption — same meter, same wires, new bill from a new company.
How are the rankings calculated?
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We sort by the real monthly bill at your home's usage — not the advertised rate at 2,000 kWh. We flag bill-credit plans and minimum usage fees so you see the true cost.
Ready to save on electricity?
Compare 123+ plans in San Marcos or let our guided quiz find the right plan for your home.
Explore San Marcos
Drill in on San Marcos electricity
San Marcos electricity rates
Price-focused: rates by usage tier, savings math
San Marcos electricity plans
Plan types available, providers serving the city
Start service in San Marcos
Move-in or first-time customer
Switch providers in San Marcos
1–3 days, no service interruption
Best plans in San Marcos
Top-ranked by overall score
Cheap plans in San Marcos
Lowest available rates on Oncor
Fixed-rate plans in San Marcos
Locked rate for the contract term
Variable-rate plans in San Marcos
No contract, flexible month-to-month
No-deposit plans in San Marcos
Skip the credit check or deposit
Best providers in San Marcos
Top-rated REPs serving Oncor
Cheapest providers in San Marcos
Sorted by lowest available rate
Green providers in San Marcos
100% renewable energy options
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