The FPFD2X is a compact single-phase energy metering box designed to accommodate up to two single-meter installations in a single enclosure. Engineered in compliance with Southern Power Grid standards and featuring integrated fee-controlled functionality, it provides a secure, organized, and reliable metering solution for utility companies, small multi-unit residential buildings, duplexes, and commercial facilities, ensuring accurate energy measurement, efficient power distribution, and convenient fee management across two individual tenants or units.