LED Price Drop
LED prices have dropped rapidly in recent years. They are now more lifecycle cost effective than fluorescents in every lighting application.
Source: U.S. Department of Energy, Sept 2017, SSL 2017 Suggested Research Topics Supplement, Technology and Market Context
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Electricity
In the context of buildings, electricity is the flowing of electron-powered energy used to power machines and other devices. Traditional electricity is created in coal-fired plants. More sustainable, renewable electricity can be generated through solar panels, wind farms, and other means.