National Grid believes the network from Norfolk to Essex will power up to six million properties.
It includes 114 miles (183 km) of pylons carrying "home-grown energy" between Norwich and Tilbury.
Councillors say the village is at risk of being overdeveloped with insufficient car parking.
Police confirm the man died from his injuries five days after the collision earlier this month.
Larger airports, a new railway line and a theme park are among the projects planned for the region.
Suffolk Police are appealing for witnesses following a collision on a country lane.
The Grade II-listed building was gutted by a fire in 2019 and there have been several more since.
Data shows the road shuts on average every four days due to serious incidents between 2021 and 2024.
The 178-tonne electrical transformer is to be transported from a port.