About Us
Capital E works with innovative companies, cities, banks and governments to accelerate the transition to a low carbon economy. Capital E is also an investment advisor and early stage investor in low carbon and clean energy companies.
High Impact Investing
Capital E makes early stage investments and holds a portfolio of equity positions in the leading, most innovative firms in the following areas:
clean energy
zero carbon materials
smart grid
energy efficiency
financial
zero carbon development
Portfolio News


Featured
Helping Cities Manage Climate Risk
Capital E report on the impact climate change can have on city credit ratings. Published by Insurance and Risk magazine.
Capital E has been leading the creation and development of the Smart Surfaces Coalition--a group of 35 organizations committed to the rapid adoption of Smart Surfaces in cities.

A book by Capital E President Greg Kats, one of the first publications to evaluate the cost effectiveness of green building
Capital E releases the first ever report quantifying the cost and benefits of city-wide adoption of Smart Surfaces in Washington D.C., Philadelphia, and El Paso.