About Solrød Biogas2016-12-14T10:50:46+00:00


Waste, environment, climate, energy. Danish local authorities face a wide range of complex challenges. The set-up of Solrød Biogas represents an initiative aimed at neutralising several of them, while also offering a range of environmental benefits in both the short and the long term.

Solrød Biogas will lessen the problems of odour nuisances at the beach caused by seaweed and algae by removing the material and using it for biogas production. When we remove the seaweed, Køge Bay will be less impacted by nutrients, today a significant problem for the aquatic environment. We will reduce marine pollution.

Also, the facility reduces the use of fossil energy for electricity and heat production. It will cut down greenhouse gas volumes, in this way contributing to solving the climate problem. Residual products can be used for fertiliser on farms to replace artificial fertiliser, typically produced by means of fossil fuels.

In this way, Solrød Biogas contributes to achieving Solrød Local Authority’s ambitious goal of reducing the local authority’s greenhouse gas emission by 55% before 2025.


Profile presentation of Solrød Biogas A/S

The film theme is “from algal sludge to energy”, based on the concept which started it all and the considerations, reasons and visions leading to the gas flame being lighted over the facility in Solrød. So focus rests on the background, while the perspectives rest on the successful public-private partnership and the profile of Solrød Local Authority as a responsible and ambitious player in the climate field.

When so many partners team up, it becomes difficult to produce a short film, normally the most frequent format used on online platforms. However, this film meets the psychological aims by emphasising and involving the partners of the biogas project, who have enabled the vision on establishing a biogas facility to come through.

From idea to reality

September 2016

CP Kelco and Solrød Local Authority continue their partnership

15. September 2016|


”CP Kelco and Solrød Local Authority continue the public-private partnership aimed at establishing a biogas facility. Solrød Local Authority is one of the local authorities with the most ambitious goals for the environment and climate, as it looks to reduce its CO2 emission by 50% before 2025. The set-up of a biogas facility is a key step towards fulfilling its goal.”

BIGADAN as the turnkey contractor

15. September 2016|


”An agreement was concluded with Bigadan A/S, granting the company the turnkey contract for establishing the facility and operating it for the first five years of its lifetime. Solrød Biogas A/S was set up in close cooperation with CPKelco, VEKS, Chr. Hansen, Bigadan A/S and the agricultural sector. The project receives project assistance from the EU, Region Zealand and Growth Forum Zealand.”

Visit by MEP Jeppe Kofod

15. September 2016|


MEP Jeppe Kofod visited Solrød Biogas to hear more about the experience which Solrød Local Authority and the private partners have accumulated from the unique facility. Jeppe Kofod expressed great enthusiasm of the project and took a wealth of interesting ideas and experience back to Brussels from the visit.

Visit by former MP Rasmus Helveg Pedersen

15. September 2016|


Former Minister for Climate and Energy, Rasmus Helveg Pedersen, visited the building site for Solrød Biogas A/S and described it as an impressive project. ”I find it interesting that you want to merge so many sources. And really ground-breaking that the agricultural sector and industry join a local authority in solving such a task”, the Minister said when chairman of Solrød Biogas, mayor Niels Hörup, had explained the project.

November 2015

2015 November: A quadruple egg of Columbus

15. November 2015|


The European Commission joined the Danish Government in applauding Solrød Biogas A/S at the official inauguration. Lars Christian Lilleholt, Minister for Energy, Utilities and Climate, Vincent Berrutto of the European Commission and Niels Hörup, mayor of Solrød Local Authority and chairman of Solrød Biogas A/S, all participated in the ribbon-cutting ceremony. Mr. Lilleholt described the facility as something like a quadruple egg of Columbus.

September 2015

2015, autumn: Doors open day for citizens

1. September 2015|


The new asphalt had barely cooled when several hundred interested citizens and guests lined up for the doors open day at Solrød Biogas A/S. Guided tours had been organised to explain about the concept of the facility and its processes and to show them how biogas is produced.

August 2015

2015, late summer: VEKS to buy gas from Solrød Biogas

30. August 2015|


Annually, Solrød Biogas will produce six million cubic metres of gas which will be transmitted to VEKS for firing in a gas engine at the premises of Solrød District Heating. Via a gas generator, the gas engine will generate electricity, while the cooling water will be converted into district heating for VEKS’ system.

2015, August: Launch of Solrød Biogas A/S

1. August 2015|


Solrød Biogas receives the first load of cattle manure from farmers and eluate from Chr. Hansen. Later, co-substrate will be added. Cattle manure and co-substrate work as starter ingredients to get the bacteriological process going at the biogas facility. Subsequently, the gas production will start.

February 2015

2015: Topping-out ceremony

1. February 2015|


The topping-out ceremony marks a well-completed building stage which set up the framework of the unloading hall. Mayor Niels Hörup, who is also the chairman of Solrød Biogas, used the topping-out ceremony to thank craftsmen and turnkey contractor Bigadan A/S

January 2015

2015: Phase 3 – Construction starts

15. January 2015|


The construction stage of the facility starts after cutting the first sod. The plan envisions the facility to be constructed and ready for operation by late summer of 2015.

December 2014

2014: 12-year agreement with Bregentved Manor

15. December 2014|


Solrød Biogas concludes an agreement with Zealand’s biggest estate – Bregentved Manor – on annually supplies of 80,000 tonnes of degassed biomass. The agreement between Bregentved and Solrød Biogas is a key precondition for the biogas facility operation, as Bregentved will buy more than 40% of the annual volume of degassed biogas from the facility.

September 2014

2014: Cutting the first sod

17. September 2014|


More than 80 experts, technicians and partners turned up on a warm September day to witness mayor Niels Hörup’s cutting the first sod at Solrød Biogas A/S. The ceremony marked a milestone after years of intensive planning.

May 2014

2014 – Solrød Biogas A/S is incorporated

28. May 2014|


Solrød Biogas A/S is incorporated with Solrød Local Authority as the sole shareholder. The company’s object is to operate a biogas facility focusing on energy production for public heat supply by using raw materials, a facility supporting the fulfilment of goals for climate, environment and waste disposal.

January 2014

2014: Phase 2 – One step closer to realising the facility

1. January 2014|


An application was submitted for assistance to establishing the facility on the basis of the selected construction concept, supply system and location. The phase selected methods, equipment and equipment supplier, prepared a detailed description for authority processing, and set up a time and action plan for implementation. Further, the phase included the preparation of a business and finance plan and a prospectus.

January 2012

Environmental authorisation granted

30. January 2012|


In connection with the implementation of Solrød Local Authority’s Heat Plan and the 2010-2025 Climate Plan for Solrød Local Authority, the possibility will be investigated of establishing a biogas facility based on residual products from CPKelco and Chr. Hansen, seaweed from beach cleaning in Køge Bay and animal manure from the agricultural sector. On this background, the Technical and Environmental Administration of Solrød Local Authority has applied for environmental authorisation for the Solrød Biogas Facility. The Ministry of the Environment granted the environmental authorisation.

2012: Phase 1 – preliminary survey

1. January 2012|


Preliminary survey including raw materials mapping, chemical composition analysis and value of biogas production as well as an assessment of methods to collect seaweed, location of facility and technical and financial assessments.

January 2011

Million grant from the EU

1. January 2011|


Solrød Local Authority concludes agreement with the EU on financial contribution of DKK 3,600,000 to realise the Solrød Biogas project. The agreement is key to fulfilment of the local authority’s ambitious climate goals by 2025.

January 2008

2008: From seaweed to energy

15. January 2008|

In part, the idea of constructing a biogas facility arose from the nuisance to the local residents of Køge Bay caused by the odour of decomposing seaweed. In connection with Solrød Local Authority’s ambition of promoting the green transition in the local area, the idea arose of constructing a biogas facility that could utilise the washed-up seaweed, organic residual products and animal manure to produce green energy.

Board of Directors

Niels Hörup


Mayor of Solrød Local Authority (Liberal Party)

Kaj Holm


Marine engineer with more than 30 years’ experience in the energy and heat sector. As well as handling the daily management of Solrød Biogas A/S, Mr Holm is operations manager of Solrød District Heating

Hans Odder

Board member

Solrød local council (Conservative Party)

Claus Madsen

Board member

2nd deputy mayor of Solrød Local Authority (Social Democrats)

Per Hauge

Board member

Solrød Local Authority (Danish People’s Party)

Eilif Nørgaard

Board member

Solrød Local Authority (Homeowners’ Party)



Decision on non-EIA duty - change and development of Solrød Biogas A/S

Solrød Biogas applied to Solrød Local Authority for authorisation under the Environmental Protection Act to change and develop the facility. Solrød Local Authority decided that the change and expansion applied for would not cause significant impact on the environment compared to the previously evaluated project. The decision is, therefore, that an EIA will not have to be made. Read the background of the decision here.

Appendix to the environmental authorisation of Solrød Biogas A/S

The appendix covers an expansion of the capacity for biomass treatment at the facility, including new types of biomass, and establishment of an energy facility with a capacity of more than 1 MW. The appendix to the environmental authorisation comprises the approval notification, conditions, Solrød Local Authority's evaluation of the application and the reason for the decision.

Environmental authorisation

In connection with the implementation of Solrød Local Authority's Heat Plan and the 2010-2025 Climate Plan for Solrød Local Authority, the possibility was investigated of establishing a biogas facility based on residual products from pectin and carrageenan production at CPKelco in Lille Skensved, seaweed from beach cleaning in Køge Bay and animal manure from pigs and cattle.

Appendix to Local Plan

The objective of draft appendix no. 3 to the 2009-2021 Local Plan is to set up a new framework defining the physical limitation and the overarching new applications for the framework area for technical facilities such as a biogas facility with related functions. The appendix to the Local Plan is in accordance with the main structure guidelines in the 2009-2021 Local Plan. Consequently, only the new framework provisions will be appended to the 2009-2021 Local Plan.

Local Plan

The 2010-2025 Climate Plan for Solrød Local Authority presents a range of concrete proposals for projects and initiatives, all contributing to reducing greenhouse gas emission. One of the proposals is the establishment of a biogas facility. On this background, Solrød Local Authority and CPKelco have entered into a partnership with a view to establishing a biogas facility in Solrød Local Authority. This Local Plan aims to create the planning basis for establishing the biogas facility.

Preliminary study

In relation to the implementation of Solrød Local Authority's Heat Plan and the 2010-2025 Climate Plan for Solrød Local Authority, the feasibility of establishing a biogas facility was studied. Potentially, the construction of a biogas facility will significantly lower greenhouse gas emission, as biogas is a carbon-neutral fuel.

EIA report

The EIA report from Solrød Local Authority contains a non-technical summary, a project description, description of alternatives, an environmental impact assessment, visualisation and method. 150 pages.

Report on Solrød Biogas

Achieve more in-depth understanding of the challenges and recommendations supporting the planning and implementation of a biogas facility and the key experience achieved by Solrød Biogas in the process from initial idea to the actual construction of the facility in Solrød Local Authority from the linked report. 36 pages. (Only available in English)