Mississippi Energy Security and Agricultural Growth Act; establish.

HB 1534 redefines "clean energy" in Mississippi to include Renewable Natural Gas (RNG) from agricultural waste (like poultry litter and manure) and "Advanced Natural Gas" with carbon capture. It allows farmers to contribute to the energy grid via RNG and designates them as "Energy Harvest Partners," while requiring utilities to maintain affordable rates and protect natural gas infrastructure from mandatory retirement if it would raise costs or reduce reliability. The bill directly affects Mississippi's agricultural producers (especially poultry/livestock), utilities, and ratepayers, with implementation beginning July 1, 2026. It aims to support farm-based energy production without increasing consumer costs or compromising grid stability.