MD Groundworks successfully delivered the groundworks and civils package for a 55MW Battery Energy Storage System (BESS) on the outskirts of East London, a project critical to strengthening the UK’s renewable energy infrastructure and grid resilience.
Designed to store and discharge large volumes of energy on demand, this 33kV-connected BESS now contributes to balancing supply and demand, supporting the integration of renewable power sources like wind and solar.
Project Overview
Location: Warley, East London
Client: Confidential Energy Partner
Sector: Renewable Energy & Infrastructure
Capacity: 55 Megawatts
Completion: The project was finished during the second quarter of the year 2024
Power Output: Enough to supply ~ 27,700 UK homes
Scope of Work
- MD Groundworks was engaged as a key delivery partner and completed the following services:
- Full groundworks package for battery enclosures, MV Skids, and Balance of Plant infrastructure
- In-situ reinforced concrete bases for:
- Battery Interface Cabinets
- Battery containers
- MV transformers and switchgear
- Drainage & ducting works to support electrical and data cable containment
- 33kV cable pulling operations within HV ducts
- Installation of fencing and security infrastructure
- Collaboration on site-wide earthing systems
Overcoming Environmental Challenges
One of the most significant challenges faced was exceptional rainfall during the early stages of the project. With the permanent drainage system not yet in place, extensive water management measures, including temporary pumping and surface water redirection were implemented.
Thanks to an adaptive delivery model and close coordination with stakeholders, MD Groundworks re-sequenced works to prioritise critical concrete installations, allowing the project to stay on schedule.
Strategic Impact & Energy Benefits
This BESS facility supports the UK’s push toward a low-carbon, renewable-powered future by:
- Stabilising the National Grid during peak demand or generation drops
- Reducing curtailment of renewable energy from wind and solar farms
- Enhancing energy security by providing rapid-response storage
- Supporting carbon reduction targets and Net Zero 2050 goals
Outcome
Despite adverse weather and complex site conditions, the project was:
- Delivered to the satisfaction of all key stakeholders
- Delivered on time and within budget
- Fully compliant with DNO and grid standards
- Executed with zero major safety incidents
