CEM: Certified Energy Manager CEA: Certified Energy Auditor CBCP: Certified Building Commissioning Professional BEP: Certified Business Energy Professional CAP: Carbon Auditing Professional CSDP: Certified Sustainable Development Professional CPQ: Certified Power Quality Professional CDSM: Certified Demand Side Manager CEP: Certified Energy Procurement Professional CLEP: Certified Lighting Efficiency Professional CMVP: Certified Measurement & Verification Professional CGD: Certified GeoExchange Designer Program CIEP: Certified Industrial Energy Professional CWEP: Certified Water Efficiency Professional EBCP: Existing Building Commissioning Professional EEP: Energy Efficiency Practitioner REP: Renewable Energy Professional DGCP: Distributed Generation Certified Professional PCF: Performance Contracting and Funding Professional REA: Certified Residential Energy Auditor CBCFP: Certified Building Commissioning Firm Program