How much CO2 emissions are typically avoided as a result of installing a solar project?

Category: Understanding Solar PV

The amount of CO2 emissions avoided is contingent upon a system’s geographic location, the size and type (ground mount, rooftop, canopy, etc.). Bearing those factors in mind, the production from a 500 kW DC project located on the East Coast of North America can equate to the avoidance of about 473 tons of carbon dioxide a year. This equates to the greenhouse gas emissions of 90 passenger vehicles driven over the course of one year. A system of the same size in Southwest North America can produce enough energy to equate to the avoidance of 670 tons of carbon dioxide a year.

The EPA has created a very effective CO2 avoidance calculator tool for the general public:

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