Utility Scale

Utility Scale · Solar PV

Engineering, construction and full management of large-scale PV plants

Aerial view of a solar PV plant next to farmland

SUN & WIND brings technical and execution capability to the development and delivery of Utility Scale PV projects, integrating multidisciplinary engineering, preconstruction, procurement, BOS construction, EPC management, project controls, QA/QC, HSE, commissioning and contract close-out.

Our methodology prioritizes constructability, productivity, interface control and proactive risk management, ensuring traceability from IFC engineering through to final acceptance of the asset.

PLANT ENGINEERING AND OPTIMIZATION

Conceptual, basic, detailed and IFC engineering
Basis of Design and Design Criteria
DC/AC Ratio optimization
Layout and power density optimization
Fixed Tilt / Single Axis Tracker technology assessment
Generation block configuration
String Sizing and DC architecture
Technical selection of modules and inverters
Shading and row spacing studies
Electrical loss assessment
DC, AC and MV network design
Grounding systems
SCADA, PPC, communications and auxiliary services
Constructability review and Value Engineering
Interdisciplinary interface management

CIVIL BALANCE OF PLANT

Topographic surveys
Site Preparation
Clearing & Grubbing
Earthworks and cut/fill balance
Cut & Fill Optimization
Pads for equipment and infrastructure
Internal roads and access
Drainage and runoff control systems
Hydraulic crossings and special structures
Electrical trenches and raceways
Equipment foundations
Infrastructure for power stations
Perimeter fencing
Ancillary and temporary works
Rehabilitation and restoration of disturbed areas

MECHANICAL INSTALLATION

Structure staking out
Pile driving
Plumbness and embedment depth control
Pull-Out Tests where applicable
Fixed structure installation
Tracker installation
Controlled torque and traceability
Installation of motors and tracking components
Alignment and geometric control
PV module installation
Productivity control by work front
Mechanical inspections and Punch List

ELECTRICAL BALANCE OF PLANT

DC cable pulling and termination
Harnesses and string cabling
Inverter installation
Power Conversion Units
Power and distribution transformers
Medium-voltage collector networks
Switchgear
Grounding systems
AC/DC auxiliary services
Fiber optics and communications
SCADA and control systems
Meteorological Stations
CCTV and auxiliary systems
Integration with step-up substation

SUBSTATION AND GRID CONNECTION

Substation engineering coordination
Substation civil works
Primary equipment foundations
Raceways and grounding grid
Transformer installation
Switching and protection equipment
Control, protection and metering
SCADA integration
Plant–substation–line interfaces
Energization coordination
Technical support for testing and commissioning

CONSTRUCTION MANAGEMENT

Construction Execution Plan
Site organization and mobilization
Work Breakdown Structure
Definition of construction work fronts
Look Ahead Planning
Constraint management
Critical path tracking
Productivity and performance control
Resource and equipment management
Subcontractor coordination
Civil–mechanical–electrical interface management
Physical progress control
S-curves and Forecast
Recovery Plans
Executive construction reporting

QA/QC

Project Quality Plan
Inspection & Test Plans
Method Statements
Material Receiving Inspection
Survey control
Civil inspections
Mechanical inspections
Electrical inspections
Torque control
Pile driving and structure control
NCR management
Corrective & Preventive Actions
Punch List Management
Quality dossiers
Document traceability and As-Built

HSE

HSE Management Plan
Hazard identification and risk assessment
Control of critical activities
Work permits
Electrical work management
Lifting and rigging control
Internal traffic management
Preventive inspections
Contractor management
HSE KPI tracking
Incident investigation and management
Safety culture and visible field leadership

PRE-COMMISSIONING & COMMISSIONING

Mechanical Completion
Systemization and subsystem definition
Technical walkdowns
Punch List verification
Continuity and insulation testing
Polarity verification
String testing
Grounding system testing
Medium-voltage equipment testing
Relay Testing and protection verification
Functional Testing
SCADA & Communications Testing
Progressive energization
Inverter commissioning
Integrated plant commissioning
Performance Testing
Reliability Run where applicable

PROJECT COMPLETION & HANDOVER

Management of Mechanical Completion Certificates
Punch List close-out
As-Built documentation
Civil, mechanical and electrical dossiers
Vendor manuals and documentation
Test protocols
NCR close-out
Transfer to O&M
Technical training
Provisional Acceptance
Support during the warranty period
Final Acceptance and technical and contract close-out

ENGAGEMENT MODEL

OWNER’S ENGINEERING
EPC MANAGEMENT
CONSTRUCTION MANAGEMENT
CIVIL BOS
ELECTRICAL BOS
QA/QC
COMMISSIONING

EXECUTION CAPABILITY

ENGINEERING
PROCUREMENT
CIVIL
MECHANICAL
ELECTRICAL
SUBSTATION
COMMISSIONING
HANDOVER

CAPEX CONTROL
SCHEDULE
PRODUCTIVITY
QUALITY
HSE
PERFORMANCE
RISK

Let’s talk about your next project

Are you evaluating an investment, developing engineering or looking for a partner to carry out civil, electrical or energy works? SUN & WIND can help you shape a technical and commercial solution suited to your project’s objectives.

Contact our team

Utility Scale · Solar PV