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PowerMatching City

Highlighted Case November 2011
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PowerMatching City is a living lab Smart Grid demonstration in the Netherlands consisting of 25 interconnected households. It was launched in 2007 as one of the INTEGRAL project demonstrations (EU FP6-038576). PowerMatching City demonstrates what our energy system could look like in 2030.


Hoogkerk, a suburb in the Netherlands, officially began operating a microgrid and calling itself "the power-matching city" on March 10, 2010. The Hoogkerk microgrid includes 25 interconnected houses and is part of the SmartHouse/SmartGrid project and another research project carried out by ECN, KEMA, Humiq, Essent, Enexis.

There are twenty five homes in the project and they are divided into two groups. Twelve are equipped with hybrid heat pumps with heat buffers; the remaining ten homes have decentralized generation capabilities using micro-CHP. Twenty-four smart appliances and two electric vehicles with demand response capabilities are installed. All houses are connected to PV panels and have smart meters. To provide additional power to the project, the city has a 2.5 MW wind turbine, whose output is scaled to match the energy demand of the households. Finally, all devices are represented by smart agents that trade energy on local real-time markets via an ICT infrastructure in order to optimize the Smart Grid system.

How will the Smart Grid manage real-time power supply - The PowerMatching City Pilot Project
Please watch the video here.



To date, PowerMatching City has been a success. The various technologies provide flexibility without impacting the overall comfort of the end-user, and allow interoperability between components, and the ability to grow the system as organically as needed. Measurements from the micro-combined heat and power (micro-CHP) systems, the hybrid heat pumps and the electric vehicle (EV) charging stations all indicate that the system responds quickly to fluctuating demands, and maintains an appropriate fill level for each household over the long term. Just as important, consumer response has been positive. Lifestyle interruptions have been minimal, and what interruptions have occurred has provided a learning opportunity for everyone involved, with upgrades and fixes either implemented or underway.

Author(s) information


KEMA,ECN, Humiq, Essent, Enexis

Lessons learnt

Renewable energy technologies specifically wind and solar, come with inherent intermittency challenges. Due to these fluctuations in power supply, any grid system served by renewables needs the flexibility to maintain the power balance. Having been properly installed, the Smart Grid technologies offer that flexibility. Many consumers have privacy and security concerns about the type and amount of information smart devices capture. Consumers are also apprehensive about controlling their own power usage. Alleviating consumer concerns has been critical in gaining both the public approval necessary to facilitate Smart Grid transitions, and in educating consumers about the benefits they stand to reap. One of the most important lessons to be drawn from Phase 1 is that it is only through the efforts of all parties along the entire energy chain that it becomes possible to fully exploit the opportunities inherent in smart grids.

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Start date - End date

Thursday, 11 January, 2007 to Monday, 7 November, 2011

Funding description

This project is sponsored by: European Union (6th Framework Programme),N.V. Nederlandse Gasunie, Municipality of Groningen, Energy Covenant Groningen. Other partners in the project include KEMA/Gas Consulting Services, Essent/New Energy, ECN and Humiq. .)