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CheckWatt continues as independent aggregator

The previously announced acquisition of CheckWatt by Emaldo Group will not proceed as the necessary regulatory approvals were not obtained. CheckWatt continues its operations as the leading independent aggregator in the Nordics, and the partnership with Emaldo continues.

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Erik Wallnér

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CheckWatt's logotype

CheckWatt continues as independent aggregator

The previously announced acquisition of CheckWatt by Emaldo Group will not proceed as the necessary regulatory approvals were not obtained. CheckWatt continues its operations as the leading independent aggregator in the Nordics, and the partnership with Emaldo continues.
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Estimated future demand for ancillary services in Sweden

More than 1,000 Swedish residential batteries contribute to a more renewable energy system

CheckWatt together with Bixia are now scaling up the delivery of the ancillary service mFRR in Sweden
Image of Warsaws skyline

CheckWatt enters Polish market, bringing virtual power plant technology to accelerate energy transition

CheckWatt today officially announces its entry into the Polish energy landscape by pre-signing customers and partners to its virtual power plant.

Danish homes and businesses now help power a more stable, efficient and renewable grid

On October 31, Danish households and companies for the first time delivered ancillary services to the national power grid through the Swedish energy services company CheckWatt

CheckWatt switches to 15-minute electricity prices the 1st of October

On October 1, the Nordic electricity markets will switch from hourly prices to 15-minute prices. Following this change, CheckWatt will also introduce 15-minute prices in our control.
CheckWatt's CEO Dan-Eric Archer presenting at Intersolar Europe

Comparing profitability for residential batteries with different operating modes in Finland during January–June 2025

Our calculations show that by connecting a battery to CheckWatt, a Finnish household could have roughly quadrupled the revenue during the first half of 2025.
Battery systems from Rocmore Energy AB have been delivering mFRR since May.

Batteries reduce problems with imbalances in the power system

CheckWatt is now, together with our customers, starting to deliver the ancillary service mFRR to help address challenges in the power system and generate additional revenue for battery owners.