New Enterprise Associates led a $4.5 million investment in geothermal tech start-up Dandelion Energy. : The day after closing a $4.5 million round of funding for her tech start-up, Dandelion Energy CEO and co-founder Kathy Hannun gave birth to a healthy baby girl. Most entrepreneurs complain about how arduous the fundraising process is. That goes double for entrepreneurs working in "cleantech." And triple for women in tech. According to research from the MIT Energy Initiative, U.S. venture firms invested around $25 billion into cleantech companies between 2006 and 2011, losing over half their money on those deals.