Energy use in the US

Train!!!!!!!!!!!!

Jan 1, 1830

Called the Tom Thumb, this was an early model of a Steam Locomotive.

Electric relay

Mar 18, 1835

Joseph Henry invented the electrical relay, used to send electrical currents long distances.

Electric Motor

Mar 18, 1837

Thomas Davenport invented the electric motor, an invention that is used in most electrical appliances today.

Electric telegraph

Mar 18, 1844

Samuel Morse invented the electric telegraph, a machine that could send messages long distances across wire

Electro-Heater

Sep 20, 1859

George B. Simpson. is awarded US patent #25532 for an 'electro-heater' surface heated by an platinum-wire coil powered by batteries

First hydroelectric plant

Sep 30, 1882

the world’s first hydroelectric power plant, the Vulcan Street Plant, began operation in Wisconsin, producing enough energy to supply three buildings

Air Conditioning

Jan 1, 1902

In 1902, the first modern electrical air conditioning unit was invented by Willis Haviland Carrier in Buffalo, New York.

Transistor

Mar 18, 1947

1947 Transistor invented by scientists at Bell Telephone Laboratiories

Duke Energy

Jan 3, 2007

On Jan. 3, 2007, Duke Energy spun off its gas business to form Spectra Energy.

Solar Energy

Aug 28, 2008

The largest solar energy event in the U.S. took place