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Flower Mound Solar Savings Calculator & Guide (2026)

Updated March 2026

Texas Electricity Rates Up 4.0% This Year

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Flower Mound homeowners typically save about $123/month on electricity after going solar. With Oncor rates up 4.0% this year, those savings only grow over time as you avoid future rate increases.

How much will I really save with solar panels?

Your bill drops because you're generating your own power. Most of the day, your panels cover your usage. At night, you pull from the grid, but your net bill is way lower.

How do rate increases affect solar savings?

Electric rates in Texas go up about 4.0% per year on average. Over 20 years, that compounds significantly. Solar locks in today's rates. Your $123/month savings today could be $184/month in 10 years if rates keep climbing.

How much do solar panels save over 25 years?

$50,476 over 20 years assumes 4.0% annual rate increases. Could be more if rates spike like they did in 2021-2023.

Flower Mound Solar Savings Breakdown

As part of the ERCOT grid, Texas solar owners have unique opportunities for grid services and buyback programs that aren't available elsewhere.

Metric

Your Estimate

System size

8.8 kW

Monthly savings

$123

Annual savings

$1,537

20-year savings

$50,476

Payback period

7.2 years

Frequently Asked Questions

Q: Will my electric bill be zero with solar?

A: Most Flower Mound homeowners still have a small bill (connection fees), but production often exceeds usage.

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Related Resources

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