Constellation
12 Month (No Min Usage Fee)
Rate
13.80¢
Term
12 Months
$1000 kWh
$138
Rates as of August 2026 · verify on the EFL
- ✓ 30% green
Best for Reliability Constellation in Sherman
Constellation in Sherman.
Constellation has 2 plans live on the Oncor grid serving Sherman. Lowest rate 13.80¢/kWh — about 1.4¢ below the Sherman average.
4.6 via Google · Oncor grid · 43K residents · Grayson County
Constellation in Sherman
By the numbers.
Lowest here
13.80¢
Constellation in Sherman
Sherman avg
15.23¢
across all providers
Constellation plans
2
on Oncor
100% green
0
renewable plans
What you actually pay in Sherman
Energy charge vs the wires.
Constellation's cheapest plan in Sherman is 13.8¢/kWh all-in. That number is two parts: Constellation'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.
Constellation energy
9.6¢
Oncor delivery
4.2¢
All-in
13.8¢
At a typical 1,000 kWh month, that's about $138 — including the ~$3.42 Oncor meter charge. Because delivery is fixed, the only lever between providers in Sherman is the energy charge. Constellation's best rate ranks #12 of 18 providers on the Oncor grid.
Top Constellation picks for Sherman
Best Constellation plans here.
Constellation
12 Month GREEN (No Min Usage Fee)
Rate
14.70¢
Term
12 Months
$1000 kWh
$147
Rates as of August 2026 · verify on the EFL
- ✓ 30% green
Sherman, Grayson County — population 43K, sample ZIP 75090. Served by Oncor (outage line: 1-888-313-4747).
Switching in Sherman
Same wires — new bill from Constellation.
Oncor owns the wires in Sherman and processes the switch in 1-3 business days — no service interruption, no truck roll, no new equipment. Constellation files the switch on your behalf. Same-day if you order before 4-5 PM Central.
Constellation in Sherman — FAQ
Common questions.
Does Constellation serve Sherman, TX?
Yes. Constellation offers 2 plans in Sherman on the Oncor grid, starting at 13.8¢/kWh all-in. Enrollment is online and service is delivered by Oncor.
What's the delivery charge in Sherman?
Oncor charges about 4.2¢/kWh plus ~$3.42/month to deliver power in Sherman. This is set by the PUCT and is identical on every plan — from Constellation or any other provider — so the only number that differs between providers is the energy charge.
Where does Constellation rank on price in Sherman?
Constellation's lowest Sherman rate ranks #12 of 18 providers serving the Oncor grid. The cheapest plan overall in Sherman is 7.0¢/kWh; Constellation's best is 13.8¢/kWh.
How long does it take to switch to Constellation in Sherman?
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 Constellation
Explore Constellation.
Compare Constellation plans in Sherman
See how Constellation's 2 plans stack up at your real Sherman usage.
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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.