Company profileampner.com ↗

Ampner Oy

Ampner is a Finnish technology company specializing in connecting renewable energy, energy storage systems and large consumers to the grid.

Engineering Services
Headquarters
Helsinki, FinlandSource: RevenueBaseRetrieved October 13, 2026
Employee range
11 to 50Source: RevenueBaseRetrieved October 13, 2026
Founded
2012Source: RevenueBaseRetrieved October 13, 2026
Published list appearances
171 supported appearances ↗Source: RevenueBase lists
The company at a glance

What does Ampner Oy do?

Ampner provides power engineering services in grid code compliance, power system studies and electrical design.

Based on the company’s public LinkedIn information, supplied through RevenueBase.

What the business offers

Services & capabilities.

Power engineering services

Services include grid code compliance, power system studies and electrical design for utility-scale solar, wind, hydro, battery storage and data center projects.

Source: LinkedIn company description · Retrieved October 13, 2026

High-voltage DC power supply

The portable supply is designed for commissioning, testing and diagnostics in field and laboratory environments.

Source: LinkedIn company description · Retrieved October 13, 2026

Explore the business in context

Company lists.

Supported appearances on published RevenueBase lists, including available memberships beyond displayed rankings.

Positions describe ordering within each source list. See how lists are built ↗

Share your recognition

Embeddable award for your website

BADGE PREVIEWAmpner Oy listed #4 on Distributed energy resource consultants, September 15, 2026Open the published source list.
Ampner Oy

#4 Distributed energy resource consultants

Snapshot: September 15, 2026

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Company information

Sources & data notes.

RevenueBase prepared this profile from the company’s public LinkedIn information and RevenueBase company data. These source records were retrieved on October 13, 2026. AI helped summarize these sources, with a separate automated check against the source text completed on November 4, 2026. Directory positions use company-contact counts from separate saved list snapshots dated August 31, 2026, September 1, 2026, September 2, 2026, September 5, 2026, September 14, 2026, September 15, 2026, September 16, 2026, September 17, 2026, September 18, 2026, September 19, 2026, September 20, 2026, September 26, 2026, September 27, 2026, September 28, 2026, September 29, 2026, September 30, 2026, October 7, 2026, October 8, 2026, October 9, 2026, October 10, 2026 and October 11, 2026. How the company lists are built.

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