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South West: Paul Cowley 07584 499601
Midlands: John Cowley 07799 113661



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Solar PV Solutions

  • Extensive industry experience
    • Survey, Design, Install, Commission, Maintain, Consultancy, Programme Management
  • Practical, versatile & efficient on-site services
  • Excellent product awareness
    • Sourcing & Procurement

Solar Surveying

  • Shading features
    • identification, mapping, avoidance / mitigation
  • Construction & Dimensioning
    • Installation area and structural elements
  • Accessibility
    • Installation practicality, scaffolding, etc
  • Mechanical & electrical installation aspects
    • Fixture method
    • AC & DC equipment locations, cable routing, etc
    • Earth bonding requirements, etc.

PV System Design

  • Domestic, Commercial, Agricultural
    • Single & 3-Phase
  • Component selection
    • Mounting hardware, modules, inverter, BOS
  • G83 & G59 experience
  • Risk Assessments, Method Statements
  • Electrical & Mechanical Schematics
  • Liaison with Third Parties
    • E.g. Structural Engineer, DNOs

PV Installations

  • All common roof types
  • Interlocking and plain clay & concrete tiles
  • Slate natural and artificial
  • Membranes
    • e.g. asphalt, sarnafil (plastic)
  • Corrugated sheet
    • e.g. trapezoidal sheet steel, fibre cement
  • Pitched & Flat

Commissioning & Maintenance

  • DC Array test reports
  • BS7671 Sign-off
  • System Handover (Customer orientation)
  • Monitoring system configuration
    • Sunny-beam, Sunny webbox, sunny portal
  • Troubleshooting
    • Particularly SMA inverters via sunny explorer or direct USB service connection
    • DC cable / connection fault-tracing

Hardware Exposure

  • Mounting Systems
    • Including Conergy, Hilti, K2, Mage, Renusol, Schletter
    • Standard & plain-tile hooks, hanger-bolts, direct rail, flat-flashings, Hall SolarFlash, low-ballast (flat-roof)
    • Bespoke solutions for novel roof & ground-mount systems
  • Modules
    • Including BP Solar , EmmVee , Hyundai , Moser Baer, Sanyo, Scheuten , Sharp, Sunpower, Suntech, Upsolar
    • Bespoke Glass-glass laminates
  • Inverters
    • Diehl AKO, Fronius, Kaco, PowerOne, SMA (SB & STP), Steca, Enecsys (micro-inverters), Tigo Energy Maximizer

MCS Certification Mark

NAPIT MCS Approved Installer

REAL Renewable Energy Assurance


Solar-technics is a Trading Name of
Cowley Electrical Ltd.
registered company 6134281
Cowley Electrical