When, Where, and How Can I Take the NABCEP PV Installation Professional Certification Exam? As you may have heard, the North American Board of Certified Energy Practitioners (NABCEP) has changed the options for taking their PV Installation Professional certification exam. In past years, the exam was offered twice a year (April and October) at… Continue reading “When, Where, and How Can I Take the NABCEP PV Installation Professional Certification Exam?”