Energy Wonders of The World: The Marcellus Shale

The mountains of Pennsylvania and West Virginia sit atop a resource that has revolutionized global energy: the Marcellus Shale. The natural gas reserves in the region have catapulted the United States into the largest producer of natural gas in the world.

Putting The Size of The Appalachian Region's Natural Gas Into Global Perspective

With the Marcellus production large enough that if the Appalachian region (which includes the Marcellus along with smaller connected Utica shales) were its own country, the only two nations that have more natural gas production would be the United States and Russia.

The region's natural gas production is greater than that of every other country, including Qatar and Iran production prior to Gulf War in 2026.

Marcellus: From Traces of Production At Turn Of Century To One Of World's Largest Producers of Natural Gas

The sheer scale of the Marcellus Shale Basin is staggering, resulting in Pennsylvania alone contributing about 20% of the natural gas supply in the U.S.

To grasp this scale: While industrial and commercial users are the primary and secondary end users, the annual production of Marcellus could theoretically meet the natural gas needs of all 75 million gas-using households in the U.S. nearly three times over.

While production of the Marcellus region was minuscule as recently as 2000, it started growing significantly in the early 2010s. It has since surpassed the natural gas production of the Permian Basin in Texas and is producing significantly larger volumes of natural gas than Qatar.

Over the last 15 years, the Marcellus Shale’s surge has transformed the U.S. energy landscape. Combined with another Energy Wonder of the World, The Eastern Gas Transmission and Storage (EGTS) system, this supply now flows across the eastern U.S. becoming a definitive geopolitical advantage for the United States.

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Appalachian Basin (Marcellus and Utica) Shale Facts
Annual Production	13.4 Trillion Cubic Feet
Global Production Rank	3rd largest (if Appalachian Basin were a country, production would trail only US and Russia)
Daily Withdrawal	37 Bcf (approximately 40% of U.S. daily usage)
Residential Heat Equivalency	115 Million U.S. Homes (can meet the needs of all U.S. gas-using households nearly 3x over)

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