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Home Heating Oil
Propane Heating, Hot Water, & Grill Re-fills*
Flex-Pay Payment Plan
Pre-Buy and Price Cap Programs
Discounts For Auto-Fill Delivery

*Grill Tank Refills At New Castle, Greenville,
Conneaut Lake, and Erie Locations Only.


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You may have noticed your Heating Oil and Propane usage increase this past season. We had the coldest winter in 20 years. Learn how to control your costs > Details Need Assistance Paying For Heating Fuels? See the many Fuel Programs available > Details

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Gas and go! At one of our 8 Last Minit Mart convenience stores covering the western Pennsylvania area. Quality Fuel, fresh food, snacks, and beverages! Don't forget to sign up for our Loyalty Rewards Card and start earning free products today!
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Supplier / Provider of the best #2 Heating Oil / Fuel, Kerosene, Propane, Diesel, Gasoline, Lubricants, Fluids, Grease, Equipemnt, Tank and Cylinder products and prices in Western Pennsylvania and Eastern Ohio

The 21st Century Energy Group is comprised of 7 delivery centers, Reed Oil, Brownies Oil, McKnight Oil, Kennedy Oil, Butler Petroleum, Harned Oil, Wilmington Oil, and Lowbucs Propane in Western Pennsylvania along with Orwell Oil in Eastern Ohio.

Supplying Lawrence county, Mercer County, Crawford County, Erie County, Butler County, Indiana County, Armstrong County, Warren County, Forrest County, Venango County, Beaver county, Allegheny County, Westmoreland County, Somerset County, Mahoning County, Geauga County, Portage County, Trumbull County, Ashtabula County, Chautaugua County

Heating oil, heating fuel, propane, gasoline, diesel, off road, on road, fuel, gas, kerosene, recreational, non-ethanol, low sulfur, home heat, cooking, lp, cylinder, stove, water heater,grill, 20 lb, 100 lb, 100 gallon, 200 gallon ,supplier, provider, delivery, free, cheap, budget, flex pay automatic, prebuy,price cap, winter, pickup, grease,lube,fluid,tanks,totes,pumps,filters,batteries,service,install,diesel exhaust fluid, def,biofuel,bio, Pennsylvania, Ohio, New York, West Virginia, Maryland,The 21st Century Energy Group. Reed Oil, Brownies Oil, Orwell Oil, Wilmington Oil, Harned Oil, Butler Petroleum, and Lowbucs Propane,


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511 Montgomery Ave
New Castle, PA 16102

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