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International

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Commercial Buildings

How to Calculate and Present Deep Retrofit Value

Energy efficiency building retrofits in the United States and around the world are attractive investments, but receive far less attention and capital than they deserve. This is in part due to a narrow definition of their value, typically focused on energy cost savings alone, and in part due to confusion…

How to Calculate and Present Deep Retrofit Value (Executive Summary)

Energy efficiency building retrofits in the United States and around the world are attractive investments, but receive far less attention and capital than they deserve. This is in part due to a narrow definition of their value, typically focused on energy cost savings alone, and in part due to confusion…

 

Why It Matters

Existing commercial buildings consume 36% of all electricity in the United States and are responsible for more than $190 billion in energy every year. Today, existing buildings globally are only receiving energy retrofits at a rate of around 1% per year, while a rate of around 3.2% per year is required to avoid irreversible climate change and hit the two degree Celsius increase target by 2040 (as laid out at COP21). The ZOT approach helps portfolio owners and managers right-time deep energy efficiency, renewable energy, and energy storage projects with life-cycle event triggers for investment.