Constellation
12 Month (No Min Usage Fee)
Rate
15.20¢
Term
12 Months
$1000 kWh
$152
Rates as of July 2026 · verify on the EFL
- ✓ 30% green
Best for Reliability Constellation in Sweeny
Constellation in Sweeny.
Constellation has 2 plans live on the TNMP grid serving Sweeny. Lowest rate 15.20¢/kWh.
3.9 · TNMP grid · Brazoria County
Constellation in Sweeny
By the numbers.
Lowest here
15.20¢
Constellation in Sweeny
Sweeny avg
14.70¢
across all providers
Constellation plans
2
on TNMP
100% green
0
renewable plans
What you actually pay in Sweeny
Energy charge vs the wires.
Constellation's cheapest plan in Sweeny is 15.2¢/kWh all-in. That number is two parts: Constellation's energy charge, plus the TNMP 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
9.9¢
TNMP delivery
5.3¢
All-in
15.2¢
At a typical 1,000 kWh month, that's about $152 — including the ~$7.85 TNMP meter charge. Because delivery is fixed, the only lever between providers in Sweeny is the energy charge. Constellation's best rate ranks #13 of 18 providers on the TNMP grid.
Top Constellation picks for Sweeny
Best Constellation plans here.
Constellation
12 Month GREEN (No Min Usage Fee)
Rate
16.10¢
Term
12 Months
$1000 kWh
$161
Rates as of July 2026 · verify on the EFL
- ✓ 30% green
Sweeny, Brazoria County, sample ZIP 77480. Served by TNMP (outage line: 1-888-866-7456).
Switching in Sweeny
Same wires — new bill from Constellation.
TNMP owns the wires in Sweeny 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 Sweeny — FAQ
Common questions.
Does Constellation serve Sweeny, TX?
Yes. Constellation offers 2 plans in Sweeny on the TNMP grid, starting at 15.2¢/kWh all-in. Enrollment is online and service is delivered by TNMP.
What's the delivery charge in Sweeny?
TNMP charges about 5.3¢/kWh plus ~$7.85/month to deliver power in Sweeny. This is set by the PUCT and is identical on every plan — from Constellation or any other provider — so the only number that actually differs between providers is the energy charge.
Where does Constellation rank on price in Sweeny?
Constellation's lowest Sweeny rate ranks #13 of 18 providers serving the TNMP grid. The cheapest plan overall in Sweeny is 8.3¢/kWh; Constellation's best is 15.2¢/kWh.
How long does it take to switch to Constellation in Sweeny?
1 to 3 business days. TNMP 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 Sweeny
See how Constellation's 2 plans stack up at your real Sweeny 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.