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Hartel II

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a wind farm next to a river and a train track.

Wind & Battery Plant

At the time of its’ launch in 2019, Hartel II, located along the Hartel canal near the port of Rotterdam, was the largest wind-powered battery storage system in the Netherlands. The 10MW / 10 MWh mega battery at Hartel is connected to a 24MW wind farm to create a fully renewable-based power plant that relies on smart technologies to support the balance of the broader energy grid. This is a STELLAR project.

Date:

June 2019 - Present

Client(s):

Partner(s):

1

Challenge

Spectral has been commissioned by leading Dutch sustainable energy provider, Greenchoice, to implement a mission-critical energy control system to optimize the largest wind-coupled battery system in the Netherlands.

2

Approach

This is a STELLAR project. The 10MW / 10MWh battery system is connected with a 24 MW wind farm consisting of 8 turbines. Spectral’s energy management solution ensures that the wind and battery assets are coordinated in unison to deliver ancillary services to the Dutch TSO, Tennet, as well as to facilitate portfolio optimization for Greenchoice based on market price forecasts.

3

Outcome

Spectral’s STELLAR Platform controls and optimizes the wind + battery assets in real time, delivering multiple stacked energy services via advanced control algorithms. Local power management (to make sure the grid connection constraints are not exceeded) is combined with delivery of Frequency Containment Reserves (FCR) to the TSO Tennet, as well as execution of trading schedules / setpoints which are sent via Greenchoice’s trading systems.

“As we shut down the coal and gas power plants, we will need to coordinate millions of distributed energy systems, such as rooftop solar, wind, and batteries, in order to ensure that electricity can be supplied with the same level of reliability that we’re accustomed to. The solution we’ve implemented at Hartel is a prime example of this working principle – we control the batteries and wind turbines in unison, adding a layer of intelligence which allows the combined system to positively contribute to the balance of the broader European network.”

Philip Gladek, CEO of Spectral

“Along the Hartel canal we have 8 wind turbines which together produce an average of 68 GWh of green electricity per year. When it’s very windy, there is a lot of supply, and when there is insufficient demand in those time periods, the wind turbines might have to be turned down in order to prevent oversupply in the system. Using the batteries, we can keep the wind turbines running to prevent sustainable energy from being wasted. The wind energy can be stored in the batteries and delivered to the energy network at a later time. On top of that, the battery system can deliver smart energy services which help keep the European network in balance at 50Hz.”

Maurice Koenen, Greenchoice Manager of Sourcing and Portfolio Management

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Dave Lamberti

Business Manager

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