About us

Joint-Stock Company “Siltumelektroprojekts” (SEP) is the largest engineering company in the Baltic countries with more than 60 years’ designing experience. SEP was founded in 1952 in Riga as the branch of the All-Soviet Union Research, Design and Survey institute “Teploelektroprojekt”. It employs about 200 engineers and technicians and engages many engineering offices. SEP specializes in projects related to the generation and transmission of heat and electricity. SEP is constantly expanding its range of services in the field of industrial facilities.

Export part: 99%;

Branch in Russian Federation.

Address: JSC Siltumelektroprojekts, branch in Russian Federation, 197022, Saint-Petersburg, Prof.Popova St., 37-Sh.

Phone: +7 (812) 748-54-42
E-mail: sep@sep-spb.ru

Branch in Finland.

Address: Siltumelektroprojekts A/S, Suomen sivuliike, Energiakuja 3 c/o Technopolis Ruoholahti 2, 00180, Helsinki.

Branch in  Republic of Turkey.

Address: JSC Siltumelektroprojekts Merkezi Letonya Cumhuriyeti Antalya Merkez Şubesi, Tekelioğlu Cd. Astur Manolya Sitesi B Blok, (A14) Apt. No:90/7 Muratpaşa – Antalya, 07230.

E-mail: akkuyu@sep.lv

The design company JSC “Siltumelektroprojekts” is registered in the Latvian Construction Merchant Register, and observes ISO standards in its activities, as indicated by ISO Quality Assurance Certificate, related to designing, in compliance with ISO 9001-2015. Besides, the company has Certificate No. СД‑0117-20012010-П-9909009744‑1 of the self-regulatory organization, noncommercial company “Project” regarding permit to design documentation development works, influencing the safety of major construction facilities.

We offer:

  • Development of turnkey projects of any power engineering facilities using BIM technologies.
  • BIM designing of industrial facilities and power engineering facilities from the preparation stage to commissioning.
  • Designing of civil facilities as well as high-technology administrative facilities of any complexity.