A 1,000-watt bulb, Image: Matthew Staver, Bloomberg

Pot’s not green. The $3.5 billion U.S. cannabis market is emerging as one of the nation’s most power-hungry industries, with the 24-hour demands of thousands of indoor growing sites taxing aging electricity grids and unraveling hard-earned gains in energy conservation.

Without design standards or efficient equipment, the facilities in the 23 states where marijuana is legal are responsible for greenhouse-gas emissions almost equal to those of every car, home and business in New Hampshire.

While reams of regulations cover everything from tracking individual plants to package labeling to advertising, they lack requirements to reduce energy waste.

Some operations have blown out transformers, resulting in fires.

Others rely on pollution-belching diesel generators to avoid hooking into the grid.

Click here to read the complete article

Jennifer Oldham ~ Bloomberg Business ~

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