
3Degrees Co-Founder and Chairman Dan Kalafatas
From Watt It Takes by Emily Kirsch
April 15, 2026 · 1h 16m · Episode 97
About this episode
Dan Kalafatas discusses his journey to co-founding 3Degrees and the company's impact on corporate energy commitments.
Dan Kalafatas is the Co-Founder and Chairman of 3Degrees, a company helping corporations achieve their energy and emission reduction commitments, from sourcing clean power, to navigating carbon markets. In the conversation, Dan walks through the path that led him to 3Degrees, from growing up in a working-class mill town in Massachusetts, to studying economics at Dartmouth and working in consulting, to business school at Stanford where a lunch talk on renewable energy changed his direction. He went on to join Three Phases Energy as an early employee, helping build one of the first corporate renewable energy offerings based on renewable energy credits, before spinning out 3Degrees in 2007. Today, the company works with more than 80 Fortune 500 companies, has supported over 20,000 decarbonization projects, helped bring more than 12 gigawatts of clean energy online, and generates over a billion dollars in annual revenue.
People in this episode
Host: Emily Kirsch
Guest: Dan Kalafatas
Topics covered
- renewable energy
- corporate sustainability
- decarbonization
- energy markets
- entrepreneurship
Keywords
- 3Degrees
- Dan Kalafatas
- renewable energy
- decarbonization
- Fortune 500
- clean power
- carbon markets
Mentioned in this episode
Organizations: 3Degrees, Three Phases Energy
Places: Massachusetts, Dartmouth, Stanford
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