EPC · T04 · Renewable generation
Solar Energy — End-to-End Solar EPC
High-performance solar infrastructure for utility-scale generation, commercial and industrial use, distributed energy and hybrid systems.
BARREL supports solar photovoltaic project development and EPC coordination from site assessment and system design through procurement, installation, grid integration, testing and commissioning.
Every design decision — module, string, inverter, structure, cable route — is weighed against yield, losses, constructability and the cost of the energy over the plant's life.
- Segments
- 8
- Work packages
- 7
- Scope items
- 64
01 · Classification
Solar verticals
- 01
Ground-mounted
Utility-scale solar farms, fixed tilt and tracking systems.
- 02
Rooftop
Industrial, commercial, institutional and residential systems.
- 03
Floating solar
Reservoir and water-body installations.
- 04
Agrivoltaics
Dual-use solar and agricultural land.
- 05
Carport solar
Parking structures and covered installations.
- 06
Canal-top solar
Solar infrastructure over canal corridors.
- 07
Hybrid solar
Solar-wind, solar-storage and multi-source integration.
- 08
Distributed solar
Captive, group-captive and decentralised projects.
02 · Value chain
Detailed solar EPC scope
Every package is defined in the proposal with its interfaces, specifications, milestones and acceptance criteria.
- 01
Development and feasibility
10 scope items- Land and site suitability
- Solar resource assessment
- Topographical surveys
- Geotechnical investigation coordination
- Shading and horizon analysis
- Flood and drainage assessment
- Land-use and environmental considerations
- Grid connectivity and evacuation assessment
- Preliminary energy-yield assessment
- Project capacity optimisation
- 02
DC engineering
8 scope items- PV module technology selection
- Module string configuration
- DC cable sizing
- String combiner arrangements
- DC isolators and protection
- DC routing and cable management
- Module degradation and temperature inputs
- DC system losses and design optimisation
- 03
AC engineering
9 scope items- String and central inverter architecture
- LV/MV power conversion
- Transformer sizing and configuration
- AC distribution systems
- HT panels and switchgear
- Power factor and reactive-power arrangements
- Harmonic assessment coordination
- Protection and metering
- SCADA and monitoring
- 04
Structural and civil works
9 scope items- Module mounting structures
- Pile foundations and driven piles
- RCC foundations where applicable
- Tracker structures
- Internal roads
- Drainage and stormwater management
- Equipment foundations
- Cable trenches
- Fencing and security infrastructure
- 05
Specialised solar infrastructure
10 scope items- Floating pontoons, mooring and anchoring
- Floating electrical cable management
- Water-level variation assessment
- Corrosion protection
- Agrivoltaic elevated structures
- Agricultural equipment access
- Crop-compatible spacing and shading studies
- Rooftop structural-load assessment
- Waterproofing and roof-interface detailing
- Fire access and rooftop safety
- 06
Grid connectivity
7 scope items- Solar pooling stations
- HT/EHV substations
- Transmission lines
- Evacuation systems
- Protection and metering
- Utility interface coordination
- Synchronisation and grid compliance
- 07
Testing and commissioning
11 scope items- Module inspection
- String testing
- Insulation resistance testing
- Polarity verification
- Earthing measurements
- Inverter commissioning
- Transformer testing
- Protection relay testing
- Performance ratio assessment
- Plant performance verification
- SCADA and monitoring validation
03 · Further scope
Additional services
- Solar plant repowering
- Capacity augmentation
- Inverter replacement
- Module replacement
- Performance improvement
- O&M and preventive maintenance
- Thermography and IV-curve testing
- Asset technical due diligence
One delivery framework
Specialist scope. Common discipline.
Every technology page keeps its own engineering identity; every project runs on the same controls, quality, HSE and handover framework.
Project enquiry
Build your solar energy project.
Share the technology, location, capacity and stage of your project. BARREL's engineering team replies with the scope it can take on, the specialist partners it would bring in and the next step towards a technical proposal.
Performance guarantees, output guarantees and turnkey responsibilities are contract-specific and are set out in each proposal.
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