French group Spie has announced the signing of a European framework agreement with Tesla concerning the deployment of battery electricity storage systems. The three-year renewable agreement covers all of Spie’s European subsidiaries specialised in the installation of these technologies. This strategic partnership aims to reinforce electricity storage capacities, a key sector for managing energy transition.
The installations will use Tesla Megapack batteries, which can store more than 3.9 megawatt-hours (MWh) of electricity—enough to power 3,600 households for one hour. This type of storage plays a critical role in balancing electricity demand and supply, particularly by integrating renewable energy sources into the grid.
Spie will handle the connection of the installations to high and medium voltage grids, engineering, commissioning, and management of auxiliary equipment such as security systems. The agreement highlights the need to standardise legal and operational conditions across all European Megapack projects installed by Spie.
While initially focused on France, the agreement opens the way to projects in other European countries, notably Poland and Germany, where demand for energy storage solutions is rising. The partnership illustrates ongoing efforts to industrialise large-scale electricity storage infrastructure as governments and companies increase investments in resilient energy systems.
The stakes of the Spie and Tesla agreement
Battery electricity storage has become a central component in energy transition, helping to mitigate the intermittency of renewable sources like wind and solar. By combining its installation expertise with Tesla’s Megapack solutions, Spie aims to meet the growing demand for infrastructure capable of efficiently storing surplus renewable energy.
This agreement, which may be renewed after the initial period, is part of a broader trend to develop large-scale storage technologies across Europe. Projects implemented by Spie and Tesla could also serve as a model for other European Union countries seeking to meet their CO2 reduction targets while improving energy security.
Towards standardisation of electricity storage installations
One of the primary objectives of this framework agreement is to create standardised conditions for deploying electricity storage projects across Europe. This includes harmonised legal and operational processes, designed to accelerate rollout while ensuring operational efficiency. Standardising conditions is a key step in expanding these technologies across Europe and integrating them into local electrical infrastructures.
It also represents a significant opportunity for Spie, which now benefits from a partnership with Tesla—one of the leading companies in energy innovation—allowing it to expand its reach while consolidating its expertise in renewable energy and storage solutions.
