Property Assessed Clean Energy

Are Property Assessed Clean Energy (PACE) programs the ultimate way to pay for a solar energy system?

There has been quite a bit of press lately about Property Assessed Clean Energy (PACE) programs for solar energy installations.  For those who do not have equity in their homes and therefore can not get a "secured" loan, a PACE loan is often a better way to go than an unsecured loan.  PACE loans are at around 9% interest vs up to 10% to 12%, if not higher, for unsecured loans. 

Informative?