ER GREEN ENERGY

ER GREEN ENERGY

ER GREEN ENERGY s.r.o.

Banská Bystrica, Slovakia

SolarEnergy StorageHydrogenLimited company
Profile last updated: July 15, 2026

About

ER GREEN ENERGY is a limited company headquartered in Banská Bystrica, Slovakia specializing in Solar, Energy Storage, Hydrogen.

ER GREEN ENERGY s.r.o. is a Slovak energy services company based in Banská Bystrica. It offers photovoltaic (PV) system design and installation from 1 MW, battery energy storage for businesses, electricity sales to companies and public institutions, and rental of generators and backup power sources (including diesel generators) with transport, installation and servicing. It also provides ESG and carbon footprint consulting, and public procurement consulting for energy projects. The company holds ISO 9001 and ISO 14001 certifications verified by TÜV SÜD and is a partner of the CO2 Register platform.

Headquarters

Banská Bystrica, Slovakia

Company type

Limited company

Focus areas

photovoltaicsbattery storagebackup powergenerator rentalelectricity salesESG consultingcarbon footprintpublic procurementhydrogen

Products & services

Business models

B2B

Value chain

ConsultingAdvisoryDevelopmentConstructionO&MTrading

Service areas (1)

  • Slovakia nationwide

    Electricity sales, PV and battery storage solutions, backup power rental, ESG and public procurement consulting

Locations

Headquarters

Stavebná 1, 974 01, Banská Bystrica, Slovakia

Service regions

Slovakia

Projects

3

Hydrogen, PV and battery storage project documentation tender

PlannedHydrogen with PV and battery storage

Public procurement for project documentation of a 6 MW hydrogen facility, 30 MW PV and 20/40 MW battery storage; awarded to PIO KERAMOPROJEKT, a. s.

6 MW capacityTrenčín, Slovakia

Hydrogen, PV and battery storage tender for CASYST s.r.o.

PlannedHydrogen with PV and battery storage

Public procurement for a hydrogen production facility with a 24 MW energy source, 49 MW PV and 40/80 MW battery storage, including project documentation.

24 MW capacityClient: CASYST s.r.o.

Battery storage preparation for GRATAX

PlannedBattery storage

Preparation of a 1 MW battery energy storage project.

1 MW capacityKošice, SlovakiaClient: GRATAX spol. s r.o.

Credentials & affiliations

Certifications

ISO 9001:2016

Issued by: TÜV SÜD

ISO 14001:2016

Issued by: TÜV SÜD

Partnerships

CO2 Register (registerco2.com)

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