The latter company is helping build the 1.25MW facility at the energy giant’s Bacton gas terminal site, which accepts gas from five main offshore lines and is located 32km north of Great Yarmouth.
Anesco is providing the design, procurement, installation, commissioning and maintenance of the system.
Executive Chairman Steve Shine said: “We are delighted to be partnering with Shell New Energies on this exciting new project in the storage sector.
“We have fully complied with Shell’s high standards of quality and safety and that is a massive compliment to the Anesco team.”
The project is expected to be commissioned by summer 2019.