NEW YORK — Exxon says the energy renaissance in the U.S. will continue and predicts that North America will become a net exporter of oil and natural gas by the middle of the next decade.

The company’s annual long-term energy outlook, released Tuesday, says the rapid growth of production in the U.S. and Canada, along with improved energy efficiency, will lead to more oil and natural gas being sent overseas.

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Exxon Mobile Corp.’s annual outlook conclusions on energy dovetail’s with recent U.S. government forecasts. The Associated Press

Exxon Mobil Corp.’s annual outlook is noted by investors and policymakers, and the company says its conclusions shape its decisions about where to invest. The main conclusions dovetail with recent forecasts from the U.S. government and others.

Among the main themes from Exxon’s report:

• Demand for energy will grow worldwide, but slower than the overall economy because of efficiency gains.

• Energy demand will remain flat in the developed world; nearly all of the growth in demand will occur in developing countries.

• The biggest shift will be growth in the use of natural gas and a decline in the use of coal. By 2025, natural gas is expected to overtake coal as the second most used fuel, after oil.

• By 2025, the U.S. will likely be exporting natural gas in large volumes and producing more oil while consuming less. Canada will continue to be a major crude exporter.

While Exxon does make assumptions about energy prices to make its predictions, it does not disclose what those price assumptions are.

Oil and natural gas production in the U.S. has surged thanks to the combination of hydraulic fracturing, or fracking, and horizontal drilling that allows companies to tap hydrocarbons trapped in shale and other tight rock formations. As a result, natural gas prices have plummeted and the nation’s dependence on oil imports has been dramatically reduced.

The International Energy Agency and the U.S. Energy Department’s Energy Information Administration have also highlighted the North American oil and gas boom in recent reports. The IEA said last month that the U.S. could overtake Saudi Arabia as the world’s top crude producer by 2020.

But fracking has raised environmental concerns. Opponents say drilling fluid or wastewater can seep into water supplies if wells are not constructed properly or if wastewater is not disposed of properly.

Exxon’s report predicts that the use of electricity will grow quickly – about 1.3 billion people worldwide do not yet have access to it. But electricity demand in the developed world will remain about flat as devices and appliances get more efficient.

The way electricity will be produced will continue to shift. The use of natural gas, nuclear and renewables will grow and the use of coal will decline. Wind, solar and biofuels will grow the fastest, at 5.8 percent per year. Still, by 2040 they will contribute only 3 percent of the world’s energy needs.

The growth in natural gas’s contribution to the world energy mix will be the most pronounced, according to Exxon’s outlook. This view led Exxon to place a big bet on natural gas when it spent about $31 billion to buy XTO Energy in 2009.

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