Case Studies

Landmark assets, independently delivered.

A selection of projects where RJI has advised, managed or optimised on behalf of owners, funds and developers, from battery storage to gas, hydrogen and biomethane.

Owner’s Engineer
334MW / 968.6MWh

UK Battery Storage, CES Phase 2

Constantine Energy Storage

Owner’s Engineering across four BESS projects, acting as an extension of the client’s team through the full lifecycle. With Phase 1, RJI’s Owner’s Engineering spans 619MW and 1.74GWh.

  • Full Owner’s Engineer representation across all phases
  • Commercial management and EPC, OEM and supply contract administration
  • Schedule, budget and procurement control with performance assurance
  • Risk management, contractor coordination and compliance
Construction Delivery
285MW / 770MWh

UK Battery Storage, CES Phase 1

Constantine Energy Storage

Senior Consultant and Project Manager for five battery sites, each connected via tertiary connections to National Grid substations.

  • Strategic advisory and oversight across all phases
  • Lead role in National Grid compliance and documentation
  • Full project management covering schedule, budget, risk and issues
  • HV commissioning coordination and validation for safe energisation
Asset Management
4 site portfolio

RGREEN Portfolio

RGREEN Invest

Advisor and project and engineering support across a UK renewable portfolio including Potmans Lane, protecting and recovering revenue from operating assets.

  • Portfolio wide assessment prioritising revenue critical issues
  • Costed budget and remediation programme focused on revenue recovery
  • Driving O&M, BoP, OEM and EPC contractors to resolution
  • Site visits, HSE coordination and reporting via Fieldwire
Optimisation and EPCM
Gas infrastructure

Project Helix

Kistos PLC

Multiphase OPEX optimisation and expansion of a strategic UK gas asset, upgrading storage and deploying flexible gas fired generation.

  • Full technical and commercial feasibility with CAPEX modelling
  • EPCM for the phased upgrade: gas mods, HV switchgear, civil enablement
  • Containerised gas generation and balance of plant delivery
  • Grid operator and regulatory liaison; long term optimisation advice
CAPEX and Value Engineering
HAR bid support

Hydrogen Project, Yorkshire

Hygen / Hycap

Strategic support securing project CAPEX budgets for Hydrogen Allocation Round (HAR) bids on a flagship Yorkshire project.

  • Due diligence and gap analysis of design and cost documentation
  • Tailored Project Execution Plan covering procurement and governance
  • Dynamic CAPEX model with contingency, escalation and sensitivity
  • Value engineering, risk register and P6 schedule review
Pre construction and Tendering
160MW OCGT

VITOL / VIP, Immingham

VPI Immingham

Pre construction design support and tendering for a large open cycle gas turbine facility plus a 50MW gas peaking plant on the same site.

  • Concept design support and detailed CAPEX and OPEX models
  • DCO planning strategy and board approval
  • Tender management across both generation assets
  • Clarifications, BAFO and contract negotiation to close
EPCM Delivery
580MWh

Solar and BESS Portfolio

Confidential

EPCM project management for a hybrid solar and BESS portfolio across the East of England, with a mix of National Grid and DNO connections.

  • EPCM contractor for design coordination and balance of plant delivery
  • Full time PM, Assistant PM and Document Controller
  • Commercial contract management and payment certification
  • Installation, grid compliance, FAT, SAT, snagging and handover
EPCM and Technical DD
8MW AD plant

Lanes Farm Energy

Aqua Consultants

Full EPCM and technical due diligence for an 8MW anaerobic digestion plant treating up to 80,000 tonnes a year and upgrading biogas to biomethane for grid injection.

  • Comprehensive technical due diligence during acquisition
  • Full EPCM covering tendering, design coordination and stakeholders
  • Procurement for digestion, gas upgrading and grid connection
  • Commissioning, grid compliance and EPR operational readiness
EPC and Commissioning
160MW peaking

Gas Peaker Portfolio

UK Power Reserve

Design, tendering, EPC delivery and commissioning of 160MW of gas peaking across eight distributed UK sites at 33kV.

  • Development and delivery across eight sites
  • Full project design and equipment tendering
  • EPCM delivery and commissioning oversight
  • Grid integration and Capacity Market obligations

Selected clients and engagements

Constantine Energy Storage
Kistos
RGREEN Invest
Hygen
Aqua Consultants
Helios Investment Partners
Sembcorp
Voltaria

Also engaged with VPI Immingham and UK Power Reserve.

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