FirmLens
Back to directory
ON

OneCo

Stockholm, Sweden

Energy StoragePrivate
Founded 2024200-500 employees

About

Founded in 2024, OneCo is a private headquartered in Stockholm, Sweden with approximately 200-500 employees specializing in Energy Storage.

OneCo is a Norwegian industrial group headquartered in Sweden that specializes in installing secure and robust infrastructure solutions within telecommunications, energy, and IT sectors. The company actively supports Sweden's green transition and digital development through advanced technology solutions. OneCo has significant experience in energy distribution, electricity meter installations, energy storage deployment, high-voltage electrical work, and grid infrastructure upgrades. The company works with major energy operators including Ellevio, E.ON, Skövde Energi, and Lerum Energi. OneCo also provides security solutions, IoT services, and fast-charging infrastructure. With approximately 300 employees distributed across Sweden, the company delivers specialized services including electrical assembly up to 420 kV, battery park construction, network planning and maintenance, and comprehensive grid modernization projects.

energy infrastructuregreen transitiongrid modernizationbattery storageelectrical installationrenewable energysustainability

Headquarters

Stockholm, Sweden

Founded

2024

Employees

200-500

Company Type

Private

Business Models

B2BEPC

Value Chain

ConstructionEPCO&MEngineeringProcurement

Service Regions

Sweden

Projects

Ellevio Communication Network - Central Sweden

Electricity Meter Replacement - Lerum and Partille

Vimmerby Energy Storage Project

Hällekis 130 kV Substation Upgrade

Skövde Electricity Network Upgrade

Mölndal Electricity Meter Replacement

AcadeMedia School WiFi Upgrade

Top Gear Sustainable Speed Week - Gotland Ring

Certifications & Awards

Certifications

High-Voltage Cables Certificate

More Energy Storage Companies

View all

More Renewable Energy Companies in Sweden

View all