# PEA e-Sign Flow — internal document approval system # Accounting and Energy Economics Division, Provincial Electricity Authority (PEA) Area 3 (Central), Nakhon Pathom, Thailand Contact: https://pea-esign.site/about.html Expires: 2027-10-01T00:00:00.000Z Preferred-Languages: th, en Canonical: https://pea-esign.site/.well-known/security.txt