Technical engineering with yield in mind.

From early plant configuration through detailed design, SolPEG supports projects with technical system design, CAD planning, electrical documentation and bills of materials.

3,000+PV projects

CADLayout & design

DCSystem design

Concept & preliminary design

Early technical decisions determine land use, yield potential and later constructability. We develop and review robust plant concepts. Yield simulations can provide a compact decision basis for layout, orientation and system variants.

Request concept & layout design ↗

Site and module layout
Orientation, tilt and row spacing
Basic system and component selection
Yield simulations to assess layout, orientation and system variants
Technical constraints for further design
Planning documentation for permitting/submission where required

CAD module layout & string design

Arrangement and electrical configuration are developed so that electrical design, construction and yield objectives fit together.

Request string & cable design ↗

CAD module layout with mounting arrangement
Module-to-inverter allocation
String configuration
Consideration of geometric and electrical constraints
Drawing sets for coordination and construction

DC sizing

Cables, connection components and electrical losses are sized and documented for the project.

Request DC sizing ↗

DC cable sizing
Calculation of electrical cable losses
Sizing of relevant DC components
DC diagrams with component designations
Plausibility review of electrical design

Detailed design & documentation

The plant concept is developed into detailed design documents forming the technical basis for construction, installation, coordination and documentation.

Request detailed design ↗

Detailed design incl. bills of materials
AC cable design and routing
Equipotential bonding and earthing concept
Monitoring design and signal routing
Single-line diagrams and electrical overviews
Drawing sets for construction and documentation
Revision and as-built documentation according to project scope

Design review / revision

Designs prepared by third parties can also be independently reviewed and commented on by SolPEG.

Request a design review ↗

Review of provided design documents
Comparison of different design revisions
Review for technical consistency and plausibility
Comparison with assessments and project assumptions
Documented comments for revision and approval

04Detailed design

From layout to documentation

Engineering down to the technical detail.

Examples from SolPEG design documents. The website intentionally shows excerpts only — complete drawing sets contain additional technical layers and documentation.

Excerpt from a SolPEG module layout with construction areas, module rows and technical infrastructure — 01
**Module layout**
Site utilisation, module rows, access routes, construction areas and technical infrastructure in a coordinated overall plan.

Excerpt from a SolPEG string and configuration plan — 02
**String & configuration design**
Electrical allocation and configuration are integrated directly with the plant layout.

Excerpt from a SolPEG single-line diagram with inverters and cable routing — 03
**Electrical design**
Single-line diagrams, cable routing and technical documentation as part of detailed design.

Depending on the project, the design scope may also include AC cable planning, equipotential bonding, monitoring design and bills of materials.

→Planning & Engineering

From concept to construction.

Do you need engineering support or an independent design review?

From plant layout and string design to detailed design, documentation and bills of materials.

Request engineering support ↗info@solpeg.com