Free US Energy Price Data & Embeds

Every number on CalcDesk comes from public U.S. Energy Information Administration (EIA) data or official state sources. You can download the same state-by-state files as CSV, use them in your own work, or embed our calculators on your site – free, with a credit link.

CSV downloads

File	What's in it	Updated
heating-oil-prices-by-state.csv	Residential heating oil, $/gallon, latest survey week and two weeks earlier (see it on the site)	Weekly, Oct–Mar (week of Oct 19, 2026)
heating-oil-weekly-history.csv	Weekly heating oil price history by state, heating seasons since 2024 (see it on the site)	Weekly, Oct–Mar
propane-prices-by-state.csv	Residential propane, $/gallon, latest survey week and two weeks earlier (see it on the site)	Weekly, Oct–Mar
propane-weekly-history.csv	Weekly propane price history by state, same seasons (see it on the site)	Weekly, Oct–Mar
natural-gas-prices-by-state.csv	Residential natural gas, $/Mcf and $/therm (2025 average), latest monthly price, household use (see it on the site)	Monthly
electricity-prices-by-state.csv	Residential electricity, ¢/kWh (July 2026 and a year earlier), average monthly kWh and bill (see it on the site)	Monthly
gasoline-prices-by-state.csv	Regular gasoline, $/gallon, EIA state or regional (PADD) series (see it on the site)	Weekly (week of Oct 19, 2026)
ev-registration-fees-by-state.csv	Yearly EV and plug-in hybrid registration fees with notes and sources (checked October 24, 2026) (see it on the site)	When laws change

One row per state (plus a United States row where EIA publishes a national average) and a state_slug column for joins. Prices are before taxes and delivery fees, as published by EIA. These files are regenerated every time the site updates.

GitHub dataset

The weekly state price files are also published in the calcdesk/us-home-energy-prices repository on GitHub, refreshed automatically each week. Load them straight into pandas or R from the raw file URLs listed in the README.

License and attribution

The compiled files are licensed under Creative Commons Attribution 4.0 (CC BY 4.0). Use them for anything, including commercial work, as long as you credit us. The underlying EIA data is in the public domain.

Suggested credit:

Data: CalcDesk, from U.S. EIA data (https://calcdesk.pages.dev/), CC BY 4.0

Or as HTML:

Data: <a href="https://calcdesk.pages.dev/free-data/">CalcDesk</a>, from U.S. EIA data (CC BY 4.0)

Embed a calculator

These calculators can be added to any website or blog with a single iframe. They are free, need no sign-up and stay up to date with the latest prices. Please keep the credit link.

Concrete Calculator

Cubic yards and 40/60/80 lb bags for slabs, footings and columns

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<iframe src="https://calcdesk.pages.dev/embed/concrete-calculator/" title="Concrete Calculator" width="100%" height="760" style="border:0;max-width:760px" loading="lazy"></iframe>
<p><a href="https://calcdesk.pages.dev/concrete-calculator/">Concrete Calculator</a> by CalcDesk</p>

Paint Calculator

Gallons of paint for walls and ceilings

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<iframe src="https://calcdesk.pages.dev/embed/paint-calculator/" title="Paint Calculator" width="100%" height="820" style="border:0;max-width:760px" loading="lazy"></iframe>
<p><a href="https://calcdesk.pages.dev/paint-calculator/">Paint Calculator</a> by CalcDesk</p>

Electricity Cost Calculator

What any appliance costs to run

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<iframe src="https://calcdesk.pages.dev/embed/electricity-cost-calculator/" title="Electricity Cost Calculator" width="100%" height="640" style="border:0;max-width:760px" loading="lazy"></iframe>
<p><a href="https://calcdesk.pages.dev/electricity-cost-calculator/">Electricity Cost Calculator</a> by CalcDesk</p>

EV Charging Cost Calculator

Cost per charge, per mile and vs gas

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<iframe src="https://calcdesk.pages.dev/embed/ev-charging-cost-calculator/" title="EV Charging Cost Calculator" width="100%" height="1080" style="border:0;max-width:760px" loading="lazy"></iframe>
<p><a href="https://calcdesk.pages.dev/ev-charging-cost-calculator/">EV Charging Cost Calculator</a> by CalcDesk</p>

Tire Size Calculator

Compare two tire sizes: diameter, speedometer and fit

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<iframe src="https://calcdesk.pages.dev/embed/tire-size-calculator/" title="Tire Size Calculator" width="100%" height="900" style="border:0;max-width:760px" loading="lazy"></iframe>
<p><a href="https://calcdesk.pages.dev/tire-size-calculator/">Tire Size Calculator</a> by CalcDesk</p>

Natural Gas Cost by State

Price per therm and average gas bill in every US state

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<iframe src="https://calcdesk.pages.dev/embed/natural-gas-cost-by-state/" title="Natural Gas Cost by State" width="100%" height="620" style="border:0;max-width:760px" loading="lazy"></iframe>
<p><a href="https://calcdesk.pages.dev/natural-gas-cost-by-state/">Natural Gas Cost by State</a> by CalcDesk</p>

Heating Oil Prices by State

This week’s heating oil price and cost to fill a tank

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<iframe src="https://calcdesk.pages.dev/embed/heating-oil-prices/" title="Heating Oil Prices by State" width="100%" height="760" style="border:0;max-width:760px" loading="lazy"></iframe>
<p><a href="https://calcdesk.pages.dev/heating-oil-prices/">Heating Oil Prices by State</a> by CalcDesk</p>

Propane Prices by State

This week’s propane price and cost to fill a tank

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<iframe src="https://calcdesk.pages.dev/embed/propane-prices/" title="Propane Prices by State" width="100%" height="760" style="border:0;max-width:760px" loading="lazy"></iframe>
<p><a href="https://calcdesk.pages.dev/propane-prices/">Propane Prices by State</a> by CalcDesk</p>

Car Loan Interest Deduction Calculator

Check your VIN and estimate the 2025–2028 deduction

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<iframe src="https://calcdesk.pages.dev/embed/car-loan-interest-deduction-calculator/" title="Car Loan Interest Deduction Calculator" width="100%" height="1100" style="border:0;max-width:760px" loading="lazy"></iframe>
<p><a href="https://calcdesk.pages.dev/car-loan-interest-deduction-calculator/">Car Loan Interest Deduction Calculator</a> by CalcDesk</p>

EV vs Gas Cost by State

Yearly charging, EV fees and fuel compared in every state

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<iframe src="https://calcdesk.pages.dev/embed/ev-vs-gas-cost-by-state/" title="EV vs Gas Cost by State" width="100%" height="1150" style="border:0;max-width:760px" loading="lazy"></iframe>
<p><a href="https://calcdesk.pages.dev/ev-vs-gas-cost-by-state/">EV vs Gas Cost by State</a> by CalcDesk</p>

Questions or corrections

Found a wrong number or need another format? Contact us. Sources for each figure are linked at the bottom of every state page.