AEP Texas · ZIP 78130

Cheapest Electricity Plans in San Marcos — South San Marcos (ZIP 78130), Texas

Live electricity rates for ZIP code 78130 in the AEP Texas service area. 16 providers available — compare and enroll online in minutes.

Rates live as of August 3, 2026 · Updated hourly

12.49¢

Lowest Rate (1k kWh)

Enter your ZIP for the most accurate rates

14.0¢

Avg Rate (1k kWh)

Enter your ZIP for the most accurate rates

Providers

Current Rates in ZIP Code 78130

All rates in ¢/kWh — all-in, including energy and AEP Texas per-kWh delivery charges. Small monthly fixed fees are billed separately.

Provider / Plan	500 kWh	1,000 kWh ★	2,000 kWh	Term	Action
AP Gas & Electric Clear Rate 11 5%	12.81¢	12.49¢	12.34¢	11 months	Enroll → Docs: TOS · YRAC · EFL
Atlantex Power Luminous 23%	13.05¢	12.73¢	12.58¢	12 months	Enroll → Docs: EFL · TOS · YRAC
Good Charlie GoodEnergy 12 21%	13.65¢	12.84¢	12.43¢	12 months	Enroll → Docs: EFL · TOS · YRAC
Energy Texas Come & Take It 12 100%	12.77¢	12.95¢	13.05¢	12 months	Enroll → Docs: EFL · TOS · YRAC
BKV Energy Verbena 11 29%	13.29¢	12.97¢	12.82¢	11 months	Enroll → Docs: EFL · TOS · YRAC
Constellation NewEnergy, Inc. 12 Month (No Min Usage Fee)	13.33¢	13.01¢	12.86¢	12 months	Enroll → Docs: EFL · TOS · YRAC
Chariot Energy Solarize 12 100%	13.46¢	13.14¢	12.99¢	12 months	Enroll → Docs: EFL · TOS · YRAC
Rhythm Energy Simply Select 9 100%	13.82¢	13.5¢	13.35¢	9 months	Enroll → Docs: EFL · TOS · YRAC
Discount Power Essential Saver 12 12%	13.93¢	13.62¢	13.46¢	12 months	Enroll → Docs: EFL · TOS · YRAC
Cirro Energy Simple Advantage 12 12%	14.03¢	13.72¢	13.56¢	12 months	Enroll → Docs: EFL · TOS · YRAC
Reliant Energy Reliant Pure Power 24 plan 12%	15.63¢	14.82¢	14.41¢	24 months	Enroll → Docs: EFL · TOS · YRAC
Direct Energy Residential Live Brighter Lite 12 12%	14.83¢	14.85¢	14.86¢	12 months	Enroll → Docs: EFL · TOS · YRAC
Frontier Utilities Frontier Saver Plus 12 26% with $125 credit at 1,000+ kWh	19.9¢	15.42¢	13.18¢	12 months	Enroll → Docs: EFL · TOS · YRAC
Gexa Energy Gexa Eco Saver Plus 24 100% with $125 credit at 1,000+ kWh	20.21¢	15.73¢	13.49¢	24 months	Enroll → Docs: EFL · TOS · YRAC
4Change Energy Maxx Saver Value 12 with $125 credit at 1,000+ kWh	20.28¢	15.79¢	13.56¢	12 months	Enroll → Docs: TOS · YRAC · EFL
Veteran Energy Valor 12 with $50 credit at 1,000+ kWh	19.18¢	17.2¢	16.21¢	12 months	Enroll → Docs: TOS · YRAC · EFL

★ 1,000 kWh is the Texas standard usage benchmark. All-in rates include energy + per-kWh delivery charges. Small monthly fixed fees (~$3–9/mo) are billed separately.

About ZIP Code 78130 — San Marcos — South San Marcos

ZIP code 78130 is part of the AEP Texas electric delivery territory in Texas's deregulated electricity market. Residents and businesses in this area can freely choose their Retail Electric Provider (REP) from dozens of competing companies. Your AEP Texas delivery charges stay the same regardless of which REP you select.

Other ZIP Codes in South & West Texas

78666 78667

← Back to AEP Texas territory overview

Frequently Asked Questions about ZIP 78130

What is the cheapest electricity rate in ZIP code 78130?

The lowest available plan in ZIP 78130 today is AP Gas & Electric — Clear Rate 11 at 12.49¢/kWh for 1,000 kWh usage. At 500 kWh usage the rate is 12.81¢/kWh and at 2,000 kWh it is 12.34¢/kWh. Rates are pulled live from licensed Texas REP plan data.

Who delivers electricity in ZIP code 78130?

ZIP code 78130 is served by AEP Texas (Central & North). AEP Texas owns and maintains the local power lines and is responsible for restoring service during outages. Your energy rate is set by the Retail Electric Provider (REP) you choose — AEP Texas charges are fixed delivery fees on your bill.

How do I switch electricity providers in ZIP code 78130?

Choose a plan in the table above and click "Enroll →". The entire process takes about 5 minutes online. Your AEP Texas delivery service continues uninterrupted during the switch. If you are currently under contract, check your cancellation fee before switching — most REPs charge $50–$300 for early termination.

How current are these rates?

Rates refresh hourly from licensed Texas electricity providers. Our data pipeline fetches the latest plans directly from PowerHQ at :15 past each hour, so prices you see are never more than an hour old.