Residential electricity prices in Groton, CT in April 2025 averaged approximately 32.28 cents per kilowatthour (¢/kWh), which was about 85% more than the national average rate of 17.45 ¢/kWh (April 2025). [1]
→ Electricity rates listed as zero are not currently available.
See how electricity costs in Groton differ from the average electricity costs for the U.S. overall. [1]
On a year-over-year basis - from March 2024 to March 2025 - residential electricity prices in Groton increased approximately 12%, from 29.12 ¢/kWh to 32.55 ¢/kWh. [1]
→ Electricity rates listed as zero are not currently available.
Residential natural gas prices in Groton in April 2025 averaged 16.65 dollars per thousand cubic feet ($/Mcf), which was approximately 4% more than the national average rate of 16.05 $/Mcf (April 2025). [2]
→ Natural gas prices listed as zero are not currently available.
See the chart below to see a comparison of Groton natural gas prices against U.S. average prices. Compare Groton natural gas costs to overall U.S. average costs. [2]
On a year-over-year basis, residential natural gas prices in Groton (Connecticut) increased approximately 3%, from 16.25 $/Mcf (March 2024) to 16.80 $/Mcf (March 2025). [2]
→ Natural gas prices listed as zero are not currently available.
The city of Groton (Connecticut) has an average annual solar radiation value of 4.99 kilowatt hours per square meter per day (kWh/m2/day). Compare Groton values to both low and high values in the U.S. overall: [3]
→ Solar radiation values listed as zero are not currently available.
See the chart below for a comparison of Groton solar radiation levels against other areas in the U.S. Compare Groton 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.
Read More
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.
Read More
The city of Groton, CT in New London County has an approximate population of 10,389. [4]
To learn more about utility rates & usage in Groton, CT, or for other information related to utilities in Groton, visit the U.S. Energy Information Administration.
A chemical that smells like sulfur is added to natural gas. This allows it to be detected in cases where leaks occur.
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