HECO Please click document titles to view or to download any documents you would like to keep. HECO DOCUMENTS Download Your HECO Bill How to Download Your HECO Bill Customer Grid Supply Plus (CGS +) CGS Plus Factsheet How to Read Your Customer Grid Supply Bill Customer Self Supply (CSS) Customer Self Supply Net Energy Metering (NEM) Guide to NEM How to Read Your NEM Bill NEM Plus Factsheet Net Energy Metering Rule No. 18 Smart Export Smart Export Factsheet