Zug, Switzerland — 10 April 2026. Riveon AG, the Swiss infrastructure group, has commissioned an 18 MWh battery energy storage system (BESS) at the Dalsbruk site in southern Finland. The platform, built on Huawei LUNA2000 Smart String architecture, represents the largest single energy-storage deployment in the Riveon Group’s portfolio to date.
Phase 1 of the installation — a 6 MW / 6 MWh system — is fully installed and grid-connected to the Finnish 10 kV distribution network. The hardware is owned by Riveon AG. GreenGridLabs Finland Oy, an independent operating company, manages all on-site operations and dispatch decisions at the Dalsbruk facility.
Frequency Reserve Market Participation
The BESS participates in Finland’s frequency containment reserve (FCR) and manual frequency restoration reserve (mFRR) markets, earning balancing revenue by stabilising the Nordic power grid. With a response time of less than 200 milliseconds and a 1C power rating, the system meets the stringent performance thresholds required by Fingrid, the Finnish transmission system operator.
Unlike conventional generation assets, battery storage provides symmetric, bi-directional grid services: absorbing excess renewable generation when supply outstrips demand and injecting stored energy when frequency drops. This positions the Dalsbruk BESS as genuinely grid-positive infrastructure — designed to give back to the energy system, not merely draw from it.
Technology and Chemistry
The platform uses lithium iron phosphate (LFP) battery chemistry, selected for its thermal stability, absence of cobalt, and tolerance for high-cycle duty. The cells are rated for more than 6,000 full cycles at 80% depth of discharge, with a design life exceeding 15 years. Active liquid cooling at the pack level ensures consistent performance across Nordic temperature extremes.
Huawei’s Smart String architecture manages each battery string independently, eliminating the barrel effect that degrades conventional central-inverter systems. If one string ages faster, the remaining strings continue to deliver full rated capacity — a critical advantage for assets expected to operate continuously in reserve markets.
Phased Expansion
The full platform is designed for 18 MWh of usable energy capacity across three phases. Phase 1 accounts for one-third of the target configuration. Phases 2 and 3 are under planning, with deployment timelines contingent on commissioning performance and reserve-market contract structures.
The BESS is co-located with the Dalsbruk datacenter, which provides Managed Compute Services to B2B clients under GreenGridLabs Finland Oy’s operational management. The co-location of storage and compute is central to the Riveon Group’s infrastructure model: battery systems earn revenue by stabilising the grid while compute workloads are shaped around renewable generation curves.
The Dalsbruk BESS is orchestrated through the NEXXUS EnergySuite, which integrates real-time market pricing, grid frequency signals, and on-site load profiles into a unified dispatch loop. This ensures that every megawatt-hour of storage capacity is deployed where it generates the highest value — whether in the reserve markets, in renewable arbitrage, or in on-site load management.