Sustain Energy Consultants Ltd
Project & Site Management for Renewable Energy Projects
Delivering Confidence in Renewable Energy
Sustain Energy Consultants provides trusted project and site management services to the UK’s renewable energy sector. We specialise in solar farms, battery energy storage systems (BESS), substations, and wind infrastructure. From RTB through to PAC, we help our clients deliver safe, compliant, high-quality projects—on time and on budget.
We also offer tailored Construction Management Service Agreements, providing clients with structured oversight, contractual clarity, and delivery assurance across all phases of construction. These agreements ensure alignment with programme, specification, and HSE standards—giving clients peace of mind and full transparency from mobilisation to handover.
Our Core Services
Explore our tailored services designed for the renewable energy sector, ensuring efficiency, safety, and sustainability in every project.
Client-Side Project Management
We manage solar farms, battery energy storage systems (BESS), and substation infrastructure on behalf of our clients—ensuring safe, compliant delivery from planning through to commissioning. Our structured approach guarantees alignment with programme, budget, and regulatory standards, while maintaining rigorous HSE and quality benchmarks throughout.
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Site Management Support
Our Site Managers act as the client’s on-site representatives, enforcing contract compliance, monitoring contractor performance, and maintaining high standards for health, safety, and quality. With real-time reporting and proactive issue resolution, we safeguard delivery integrity and ensure smooth coordination across all stakeholders.
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Consultancy Services
We provide specialist consultancy across solar, BESS, substation, and wind infrastructure projects. From feasibility studies and compliance audits to engineering support and performance monitoring, our team delivers actionable insights that help clients optimise delivery, mitigate risks, and enhance long-term asset performance.
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Why Choose Sustain Energy Consultants Ltd?
Our founder of Sustain Energy Consultants Ltd, Nathan Heaton, is a PRINCE2-certified Project Manager with over 20 years of experience in the energy and infrastructure sectors. Having delivered more than 1GW of renewable energy projects across the UK, Sustain Energy Consultants brings a deep understanding of both client-side and contractor-side operations.
The teams experience spans:
- Solar PV (up to 120MWp)
- Battery Storage Systems
- Substations & HV Infrastructure
- Offshore Wind & Cable Routes
- Gas, Coal, and Nuclear Power Generation
- Project delivery across HV works including loop-in/loop-out and tee-off substations
- Drainage, reinstatement, and landscaping works post construction
Track Record & Clients
Sustain Energy Consultants has worked in senior roles with respected organisations including Wise Energy, Next Energy Capital, E.ON, Lightsouce BP and Doosan, contributing to landmark energy projects such as:
- Delivery of over 500MWp of solar PV capacity across the UK
- Construction and management of multiple 132kV substations
- Decommissioning and asset replacement for legacy PV infrastructure
- Offshore wind cable corridor delivery and reinstatement
- Construction of Rampion substation at Bolney (132kV to 400kV)
- Development of QA systems, HSEQ audits, and contractor training
- Creation and implementation of project management plans
- Comprehensive risk management and mitigation strategies
- Management of multi-site utility-scale solar and battery storage projects up to 120MWp.
Need expert support on your renewable project?
Connect with us to discuss how we can elevate your renewable energy projects with our expert management services.