Bill Haman, P.E.
Program Manager

A registered professional engineer in Iowa and Wisconsin.

  • over 30 years of engineering experience in both the public and private sectors
  • industrial programs manager
  • Alternate Energy Revolving Loan Program manager since 1996

How do I find a reliable solar PV dealer or installer?

There are a number of solar PV dealers/installers in Iowa. Individuals who have earned accreditation for their design and installation skills are certified by the North American Board of Certified Energy Practitioners (NABCEP). A listing of individuals certified by NABCEP can be found on their website at