Iyk Ota 110/35/10 kV substation, Tashkent

We build substations and power lines up to 500 kV

GRIDCON ENERGY designs, equips, builds and finances turnkey power projects, from the first drawing to energisation.

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since2019in power construction
500kVlicensed voltage class
436,3MVAsubstation capacity on our projects
236,6kmof 110–220 kV power lines built before 2025
100employees on staff
Scroll down to send current through the grid
Engineering and procurement

Every project starts with a drawing

We produce design and working documentation and supply power and high-voltage equipment. The grid you see is only a drawing for now. Scroll down and we will energise it.

E+Pdesign and equipment from one contractor
0.4–500kVthe full voltage range
Overhead lines

Lines up to 500 kV

Foundations, tower erection, conductor, earth wire and OPGW. The highest-voltage line in our portfolio is the 500 kV double-circuit Nurabad — Khalqa overhead line for ACWA Power.

40km500 kV overhead line, Samarkand and Jizzakh regions
236.6kmof 110–220 kV power lines built before 2025
Substations

35–110 kV substations

We build new substations and reconstruct and upgrade existing ones with higher-capacity power transformers.

6substations in Tashkent
436.3MVAtotal power transformer capacity
Commissioning

The job is done when the lights come on

Testing, relay protection and automation set-up, energisation and handover into operation.

ISO9001, 14001 and 45001
№ 924576perpetual licence, 0.4–500 kV
Delivery model

One contractor for the whole cycle

We work under the EPC+F model. The client gets a finished, energised facility and a single party responsible for design, supply, construction and financing.

EEngineering, design
PProcurement, equipment supply
CConstruction, building works
+FFinancing, project funding

Key projects

All three are delivered under EPC contracts: design, equipment supply, construction and commissioning.

Iyk Ota 110 kV substation
Protection and automation
110 kV outdoor switchyard

Iyk Ota 110/35/10 kV substation and 110 kV cable line

A new substation in Tashkent: design, equipment supply, construction, installation and commissioning, plus a new 110 kV cable line.

Capacity
80 MVA, 2 × 40
Voltage
110/35/10 kV
Client
JSC National Electric Grid of Uzbekistan (NEGU)
Contract
EPC
500 kV overhead line

Nurabad — Khalqa 500 kV overhead line

A 500 kV double-circuit overhead line between the Nurabad and Khalqa 500/220 kV substations: foundations, towers, conductor, earth wire and OPGW, commissioning.

Length
40 km
Voltage
500 kV
Client
ACWA Power (Sazagan Solar)
Contract
EPC
Upgrade

Reconstruction of five Tashkent substations

Reconstruction and upgrade of the Prigorodnaya, Bibliotechnaya, Vystavochnaya, Uzgarish and Sevinch substations with higher-capacity power transformers.

Capacity
356.3 MVA
Voltage
35–110 kV
Clients
JSC National Electric Grid of Uzbekistan (NEGU), JSC Regional Electric Networks (REN)
Contract
EPC

From 0.4 to 500 kV

Our licence covers the full voltage range. Pick a class on the scale to see our projects in that class.

logarithmic scalekV

    Projects in numbers

    new buildreconstruction and upgrade

    We work across Uzbekistan

    Select a region on the map or in the list to see our projects there.

    Project locations are schematic, by region. Region boundaries: geoBoundaries, CC BY 4.0.

    100 people on staff

    Our own crews of electricians, engineers and builders.

    50electricians
    30highly qualified engineers and specialists
    20general construction workers
    2019GRIDCON LLC founded
    2020–2022Over 230 km of 110–220 kV power lines built
    2025Reorganised as GRIDCON ENERGY LLC
    2025–20266 substations totalling 436.3 MVA. 2026–2027 portfolio: 134 km of 220 kV overhead line, 40 km of 500 kV double-circuit line, 1,500 km of 0.4–10 kV networks

    Licence up to 500 kV and ISO certificates

    № 924576 № 924576
    State licence

    No. 924576, perpetual

    Construction of power lines (cable and overhead) and electrical installations (outdoor and indoor switchgear, substations, distribution points, transformer substations, complete switchgear, switchgear), as well as power plants over 30 MW

    0.4–500 kV
    • ISO 9001:2015Quality management system№ UZ.SMT.04.0026.00005546
    • ISO 14001:2019Environmental management system№ UZ.SMT.04.0026.00005547
    • ISO 45001:2020Occupational health and safety management system№ UZ.SMT.04.0026.00005548

    O‘z DSt ISO certificates are valid. Certification body: Iso-Union LLC, accredited by O‘ZAKK, an IAF member. You can verify them in the international IAF CertSearch database.

    Clients and partners

    10+clients and partners in the power sector
    Clients

    JSC National Electric Grid of Uzbekistan (NEGU), JSC Regional Electric Networks (REN), ACWA Power, JSC Uztransgaz

    Partners

    JSC O‘ZBEKENERGOTA’MIR, Probuild Generation LLC, NURA GROUP, IT-PARTNERS LLC