Appropriate segmentation of the company's service offering has meant our teams of professionals have become more specialised in attending to specific markets and offering the most suitable solution for each project. Consequently, the company can provide a competent and effective approach to dealing with the following operational areas:

Low Voltage:

Lighting installations

  • Public lighting
  • Commercial lighting
  • Meeting space lighting
  • Parks and gardens lighting
  • Artistic and decorative lighting


Industrial facilities

  • Commercial premises
  • Shopping centres
  • Industrial warehouses
  • Cinemas
  • Hotels


  • Single-dwelling housing
  • Residential buildings
  • Tunnels



High Voltage:

  • Above ground and underground lines
  • Outdoor transformer centres
  • Indoor transformer centres



  • Voice/Data Networks (UTP fibre cable)
  • Telephone switchboards
  • Collective antenna (terrestrial, satellite)
  • Individual antenna (terrestrial, satellite)
  • Closed-circuit television


Full-service Maintenance:

  • Low voltage installation maintenance
  • High voltage maintenance
  • Telecom maintenance


Engineering, Surveys and Planning:

  • HV/MV/LV line planning
  • Transformer centres
  • Environmental impact studies (Preliminary Environmental Impact Study)
  • Gas installation planning
  • Lighting planning
  • Document databases
  • Geographical information systems
  • Energy audits and monitoring
  • Energy evaluation and monitoring
  • Research into rates
  • Energy optimisation
  • Energy saving studies
  • Programming


are the four basic pillars on which our company service policy rests"



Electricidad Llano S.L. - Polígono Espíritu Santo, parc. 34 - 33010 - Oviedo. Asturias
Tf.: 985 98 53 98 · llano@llano.es

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