Energy Storage
Delivery Project Manager - BESS The Delivery Project Manager is responsible for the end-to-end delivery of utility-scale Battery Energy Storage System (BESS) EPC projects, from early development through commissioning and handover. This role combines strong project leadership with deep technical capability, ensuring projects are delivered safely, on time, within budget, and in full compliance with contractual and regulatory requirements.
You will lead multidisciplinary teams, manage EPC contractors and suppliers, and act as the primary technical and project interface for clients and stakeholders across the project lifecycle.
Key Responsibilities
Project Leadership & Delivery
Own the successful delivery of utility-scale BESS EPC projects from development through commissioning and handover.
Lead internal project teams and external contractors, ensuring delivery aligns with programme, budget, quality, and safety objectives.
Develop and maintain comprehensive project execution plans covering technical, commercial, construction, and commissioning activities.
Allocate and manage resources to achieve key milestones and contractual commitments.
Monitor progress, manage risks and issues proactively, and implement corrective actions as required.
Provide clear and timely project reporting to senior management and Contract Managers, escalating risks where necessary.
Pre-Development & Technical Planning
Evaluate and recommend appropriate BESS technologies, system architectures, and configurations based on project-specific requirements.
Develop preliminary system designs in line with UK grid codes, performance targets, site constraints, and planning conditions.
Coordinate early-stage grid compliance and feasibility studies with DNOs, TSOs, and external consultants.
Contribute to technical risk assessments, lifecycle cost analysis, and project bankability reviews.
Design, Procurement & Vendor Management
Coordinate with internal technical teams to develop detailed technical specifications for BESS, SCADA/EMS, HV/MV infrastructure, and Balance of Plant.
Lead technical workstreams during EPC contractor and vendor selection, including bid evaluations, compliance reviews, and clarifications.
Negotiate technical scope, warranties, performance guarantees, and degradation assumptions with suppliers.
Manage contractor and supplier relationships to ensure value for money, quality, and programme adherence.
Construction, Installation & Commissioning
Oversee technical delivery during construction, installation, commissioning, and energisation phases.
Ensure works are delivered in accordance with design intent, contractual requirements, and performance criteria.
Support and oversee Factory Acceptance Tests (FAT), Site Acceptance Tests (SAT), and grid compliance testing.
Ensure full compliance with Health, Safety, Environmental, and Quality (HSEQ) standards, including CDM 2015 regulations.
Stakeholder & Client Management
Act as the primary technical and project point of contact for clients, EPC contractors, BESS vendors, DNOs, consultants, and regulators.
Build and maintain strong client relationships through effective communication and expectation management.
Negotiate project schedules, technical scope, and costs, ensuring alignment with contractual agreements.
Identify, communicate, and manage contractual deviations in coordination with Contract Managers.
Essential Qualifications & Experience
Degree in Electrical Engineering, Energy Systems, or a related discipline (Master’s degree preferred).
Proven experience delivering large-scale EPC projects within the energy or engineering sector.
Strong technical expertise in BESS, power systems, and grid integration.
In-depth knowledge of UK grid codes, DNO/TSO processes, and connection agreements.
Experience with construction contracts such as FIDIC, NEC, and JCT.
Demonstrated capability in budget management, cost control, and commercial delivery.
Proficiency in Microsoft Word, Excel, and Microsoft Project.
Strong understanding of HSEQ management systems and CDM 2015 requirements.
Experience managing EPC contractors, OEMs, system integrators, and subcontractors.
Personal Attributes
Acts with integrity, professionalism, and accountability at all times.
Strong leader able to motivate, coach, and develop high-performing teams.
Excellent communication skills, both client-facing and internal.
Highly organised, detail-oriented, and capable of managing multiple priorities in a fast-paced environment.
Commercially aware, with a focus on cost optimisation and value creation.
Pragmatic problem solver with sound judgement and decision-making ability.
Resilient, adaptable, and comfortable operating in complex project environments.
Desirable
Chartered Engineer (CEng) or working towards professional registration.
Project management qualification (e.g. PRINCE2, APM, PMP).
Experience with BESS, CHP, HV/MV infrastructure, gas peaking, or large-scale electrical installations.
Hands-on experience with FAT, SAT, commissioning, and performance testing.
Knowledge of battery warranties, degradation models, and long-term performance guarantees.
