Residential electricity prices in Port Isabel, TX in July 2026 averaged approximately 15.88 cents per kilowatthour (¢/kWh), which was about 13% less than the national average rate of 18.31 ¢/kWh (July 2026). [1]
→ Electricity rates listed as zero are not currently available.
See how electricity costs in Port Isabel differ from the average electricity costs for the U.S. overall. [1]
On a year-over-year basis - from June 2025 to June 2026 - residential electricity prices in Port Isabel increased approximately 4%, from 15.26 ¢/kWh to 15.94 ¢/kWh. [1]
→ Electricity rates listed as zero are not currently available.
Residential natural gas prices in Port Isabel in July 2026 averaged 34.30 dollars per thousand cubic feet ($/Mcf), which was approximately 30% more than the national average rate of 26.45 $/Mcf (July 2026). [2]
→ Natural gas prices listed as zero are not currently available.
See the chart below to see a comparison of Port Isabel natural gas prices against U.S. average prices. Compare Port Isabel natural gas costs to overall U.S. average costs. [2]
On a year-over-year basis, residential natural gas prices in Port Isabel (Texas) increased approximately 6%, from 30.12 $/Mcf (June 2025) to 31.89 $/Mcf (June 2026). [2]
→ Natural gas prices listed as zero are not currently available.
Sorry, Port Isabel solar data is not currently available. Please check back later.
See the chart below for a comparison of Port Isabel solar radiation levels against other areas in the U.S. Compare Port Isabel levels against both 1) low average solar radition levels (WA) and also 2) high average solar radiation levels (NV). [3]
→ k/m/d: kilowatt hours per square meter per day.
→ Solar radiation values listed as zero are not currently available.
Households in the United States have benefited from falling energy prices in recent years, which has driven down the cost of living.
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Penn State researchers recently examined microgrids and discovered that they may not always be a wise economic move for communities.
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Through the analysis of publicly available data filed by electricity suppliers, the CT OCC discovered that electricity customers overpaid by $58 million in 2015.
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The city of Port Isabel, TX in Cameron County has an approximate population of 5,006. [4]
To learn more about utility rates & usage in Port Isabel, TX, or for other information related to utilities in Port Isabel, visit the U.S. Energy Information Administration.
Five states accounted for 67% of (dry) natural gas production in the U.S. in 2013: Texas, Pennsylvania, Louisiana, Oklahoma & Wyoming.
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