How Much Should Self-Generators Pay For The Grid?

http://breakingenergy.com/2013/11/26/how-much-should-self-generators-pay-for-the-grid/?utm_source=Breaking+Energy&utm_campaign=b13014b52d-RSS_EMAIL_CAMPAIGN&utm_medium=email&utm_term=0_f852427a4b-b13014b52d-407304281