# AVV Square 2.0 - Battery Energy Storage System (BESS)

- **Source:** TED · `693469-2025`
- **Buyer:** Ørsted Bioenergy & Thermal Power A/S
- **Published:** 2025-10-21
- **Deadline:** —
- **Estimated value:** 11,350,000 EUR
- **CPV codes:** 31400000, 50532000
- **NUTS codes:** DK012, DNK
- **Notice type:** can-standard / 30

## Description

The Battery Energy Storage System (BESS) is to be installed within the perimeters of the power station Avedøreværket, located in Avedøre (Hammerholmen 50, 2650 Hvidovre), Denmark. The BESS will be sized for aminimum of 20 MW usable capacity capable of operating for approx. 2 hours at nameplate rating. The purpose of the BESS is to provide the ancillary services FCR-N (“Frequency Containment Reserve for Normal operations”), FCR-D (“Frequency Containment Reserve for Disturbances”) and FFR (“Fast Frequency Response”), aFRR and mFRR (“automatic/manual Frequency Restoration Reserve”) for participation in the regulation of the electrical transmissionsystem DK2 that is within responsibility of the Transmission System Operator (TSO) Energinet Elsystemansvar A/S. TheContract comprises the following: (a) Delivery of the BESS consisting of Battery bank, Inverter system, BESS transformer, Medium voltage (MV) interface to the interconnection cables, DC and AC switch-boards, HVA/C and fire controlsystem, LV and MV cabling (internally within the BESS, but not between BESS equipment units), housing forcomponents, Energy Management System (EMS), Metering system, and Frequency measurement device, (b) Installationand commissioning of the BESS at the power station Avedøreværket, located in Avedøre (Hammerholmen 50, 2650 Hvidovre), Denmark, (c) Service and Maintenance Agreement including consumables and spare parts for 2 years operation, (d) First extension of the Service and Maintenance Agreement for additional 4 years including consumablesand spare parts (years 3 to 6 – optional for the Contracting Entity) (e) Second extension of the Service and Maintenance Agreement for additional 4 years including consumables and spare parts (years 7 to 10 – optional for the Contracting Entity) (f) A water-based sprinkler system (optional for the Contracting Entity) (g) Drainage inside the housing forcomponents to handle contaminated fire water (optional for the Contracting Entity).

## Award result

- **Total awarded:** 11,350,000 EUR
- **Contract concluded:** 2025-10-15
- **Winner:** PowerCon A/S (CVR 32270433) · value 11,350,000 EUR · 3 bids received

## Original notice

https://ted.europa.eu/da/notice/-/detail/693469-2025