Clean Energy Business Network (CEBN) Small business voice for clean energy, Clean Energy Business Network Already Member? Sign In. Password * Remember me New to Energy Central? Applying for membership with Energy Central allows you to connect with a network of more than 200,000 global power industry professionals. Member since: 2018 The Clean Energy Business Network works to grow the clean energy economy through policy, public education, and business support for small- and medium-sized energy companies.