Just Energy
Smart Choice - 12
Rate
7.10¢
Term
12 Months
$1000 kWh
$71
Rates as of July 2026 · verify on the EFL
- ✓ 31% green
- ✓ $125 bill credit when you use 1000 kWh
- ✓ 60-Day Happiness Guarantee
Best for Reliability Just Energy in Port Arthur
Just Energy in Port Arthur.
Just Energy has 14 plans live on the Oncor grid serving Port Arthur. Lowest rate 7.10¢/kWh — about 7.6¢ below the Port Arthur average.
3.6 · Oncor grid · 56K residents · Jefferson County
Just Energy in Port Arthur
By the numbers.
Lowest here
7.10¢
Just Energy in Port Arthur
Port Arthur avg
14.72¢
across all providers
Just Energy plans
14
on Oncor
100% green
0
renewable plans
What you actually pay in Port Arthur
Energy charge vs the wires.
Just Energy's cheapest plan in Port Arthur is 7.1¢/kWh all-in. That number is two parts: Just Energy's energy charge, plus the Oncor delivery charge — the cost of the poles and wires, set by the PUCT and identical on every plan from every provider on this grid.
Just Energy energy
2.9¢
Oncor delivery
4.2¢
All-in
7.1¢
At a typical 1,000 kWh month, that's about $71 — including the ~$3.42 Oncor meter charge. Because delivery is fixed, the only lever between providers in Port Arthur is the energy charge. Just Energy's best rate ranks #1 of 18 providers on the Oncor grid.
Top Just Energy picks for Port Arthur
Best Just Energy plans here.
Just Energy
Power Plus - 12
Rate
11.80¢
Term
12 Months
$1000 kWh
$118
Rates as of July 2026 · verify on the EFL
- ✓ 26% green
- ✓ $100 bill credit when you use 1000 kWh
- ✓ 60-Day Happiness Guarantee
Just Energy
Power Plus - 24
Rate
12.10¢
Term
24 Months
$1000 kWh
$121
Rates as of July 2026 · verify on the EFL
- ✓ 32% green
- ✓ $100 bill credit when you use 1000 kWh
- ✓ 60-Day Happiness Guarantee
Every Just Energy plan on Oncor
All 14 Just Energy plans in Port Arthur.
| # | Plan | Rate | |
|---|---|---|---|
| 1 | Smart Choice - 12 | 7.10¢ | View → |
| 2 | Power Plus - 12 | 11.80¢ | View → |
| 3 | Power Plus - 24 | 12.10¢ | View → |
| 4 | Smart Choice - 24 | 14.40¢ | View → |
| 5 | Basics - 24 | 16.80¢ | View → |
| 6 | Simple Choice- 24 | 16.90¢ | View → |
| 7 | Basics - 12 | 17.40¢ | View → |
| 8 | Simple Choice- 12 | 17.50¢ | View → |
| 9 | Renters Choice - 12 | 17.50¢ | View → |
| 10 | Simple Value - 24 | 17.70¢ | View → |
| 11 | Simple Value - 36 | 18.20¢ | View → |
| 12 | Mega Saver - 12 | 18.60¢ | View → |
| 13 | Mega Saver - 24 | 19.40¢ | View → |
| 14 | Simple Value - 12 | 20.50¢ | View → |
Port Arthur, Jefferson County — population 56K, sample ZIP 77640. Served by Oncor (outage line: 1-888-313-4747).
Switching in Port Arthur
Same wires — new bill from Just Energy.
Oncor owns the wires in Port Arthur and processes the switch in 1-3 business days — no service interruption, no truck roll, no new equipment. Just Energy files the switch on your behalf. Same-day if you order before 4-5 PM Central.
Just Energy in Port Arthur — FAQ
Common questions.
Does Just Energy serve Port Arthur, TX?
Yes. Just Energy offers 14 plans in Port Arthur on the Oncor grid, starting at 7.1¢/kWh all-in. Enrollment is online and service is delivered by Oncor.
What's the delivery charge in Port Arthur?
Oncor charges about 4.2¢/kWh plus ~$3.42/month to deliver power in Port Arthur. This is set by the PUCT and is identical on every plan — from Just Energy or any other provider — so the only number that actually differs between providers is the energy charge.
Where does Just Energy rank on price in Port Arthur?
Just Energy's lowest Port Arthur rate ranks #1 of 18 providers serving the Oncor grid. The cheapest plan overall in Port Arthur is 7.1¢/kWh; Just Energy's best is 7.1¢/kWh.
How long does it take to switch to Just Energy in Port Arthur?
1 to 3 business days. Oncor keeps delivering power the whole time — no interruption, no new meter, no truck roll. Order before roughly 4–5 PM Central on a weekday and same-day switching is usually available.
More on Just Energy
Explore Just Energy.
Compare Just Energy plans in Port Arthur
See how Just Energy's 14 plans stack up at your real Port Arthur usage.
No spam · It's free · Takes 60 seconds
How enrollment works
You pick the plan here. Enrollment finishes on our secure checkout — same rate, no markup. If you'd rather skip the ZIP entry, Live Link pulls your real usage from Smart Meter Texas in about 30 seconds. Same plans, same checkout, less typing.