BOFA works to fulfil Vision 2032 before the clock runs out

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All questions and answers

BOFA takes the waste. But where do I hand in my used tyres? Can they have rims on them? What do I do with the half a can of paint that was left over?

We have collected the most frequently asked questions here. Click and see the answer.

At the bottom of the page, we have a direct email to BOFA's waste experts if you can't find the answer on the page.

Frequently asked questions

  • Incinerators

    BOFA's incineration plant was commissioned in 1991.

    The incinerator receives all waste suitable for incineration from the island. This includes:

    • Household waste
    • Recycling centres
    • Environments
    • Bulky waste collection
    • Business organisations
    • Institutions
    • Seized drugs/hash and smuggling cigarettes etc.

    Every year, approximately 20,000 tonnes of waste is received and incinerated.

    The heat produced during incineration is sent to the heating network and supplies energy to both citizens and businesses in and around Rønne. BOFA's heat is prioritised for RVV (Rønne Varmeværk) and covers approximately 25 % of the annual heat consumption in Rønne.

    The incinerator is in operation around the clock, every day of the year. There is always at least one employee on duty to monitor the incineration process and ensure that the furnace is working properly.

    Inspection of the oven
    Twice a year, a furnace shutdown is scheduled, lasting approximately one week. During this period, operations are interrupted and the kiln is cooled down to perform audits and necessary maintenance tasks.

    When the stove is in operation, it has a temperature of around 1,000 degrees. It takes about four hours to stop combustion, at which point the stove is still around 800 degrees centigrade. It then takes about a day and a half for the stove to cool down sufficiently for internal inspections and any repairs to be carried out in the hottest areas.

    What happens to combustion slag?
    When waste is burned, incineration slag is created. This is the residue left over from the waste that cannot be burned. Every year, around 3,500 tonnes of incineration slag is produced.

    The slag is sorted so that all metals larger than 0.9 mm are removed and recycled. After sorting out the metals, the slag is typically used in large construction projects. Here they replace large amounts of gravel or other virgin material that would otherwise have to be extracted from underground.

    Cleaning smoke from the combustion process
    The smoke generated during the combustion process is cleaned in a built-in flue gas cleaning system before being discharged into the atmosphere through a 75 metre high chimney. In the flue gas cleaning system, the smoke is treated with a lime product that effectively binds the harmful substances.

    The smoke emitted is therefore as clean as possible. What you can see from the chimney is primarily a vapour plume consisting of water vapour. The residue from the cleaning process, called flue gas cleaning residue, is deposited at a specialised depot in Langøya, Norway.

    Incinerator modernisationt
    The incineration plant was extensively modernised in 2011-2012.
    In 2019, a new economiser will also be installed. An economiser helps to utilise the last of the heat from the flue gas while stabilising the temperature of the flue gas before it enters the flue gas cleaning filter.
    These upgrades ensured both higher environmental standards than before and stable operations that are expected to be maintained until the 2032 vision is realised.

    Read the environmental permit for the incineration plant.

    Find the annual report for the incinerator here.

  • Earth controller

    In accordance with Executive Order no. 1479 of 12 December 2007 on notification and documentation in connection with the moving of soil, and Bornholm Regional Municipality's regulations for soil, soil must be moved according to the following guidelines:

    Moving soil
    As a general rule, notification must be made no later than 4 weeks before the soil is to be moved.
    The notification is made at www.jordweb.dk

    EarthWeb
    Bornholm Regional Municipality's Technical and Environmental Services recommends that earth movers sign up for JordWeb. JordWeb is an electronic system that makes it easy to manage the entire case process. You can sign up for the system at www.jordweb.dk.

    Registration and instructions on how to use the system can be found on the website under the "Quick-guide" menu and there is also a demonstration of the system.

    Any questions can be directed to Technology and Environment:
    Jordforurening@brk.dk 

    Jordan analyses
    The notification must be accompanied by soil analyses. The following requirements apply:

    • Disposal as slightly contaminated soil: 1 analysis per 120 tonnes.
    • Use/disposal as clean soil: 1 analysis per 30 tonnes.

    Upon arrival at BOFA
    When delivering to BOFA, you must bring:

    • A copy of the notification form or a printout from JordWeb.
    • Soil analyses, if applicable.

    Earth to BOFA
    Below you will find an overview of the most common soil classes that are referred to BOFA. For a more detailed review of which soil classes require notification, please refer to Bornholms Regionskommunes Home page.

    Clean soil
    Defined as:

    • Soil excavated in areas where no actual contamination has occurred.
    • Soil that is not excavated in road areas.
    • Soil that is not excavated on a registered/mapped contaminated site.
    • Soil that does not originate from areas covered by Bornholm Regional Municipality's area classification.

    This type of soil can be transported directly to BOFA, either to Almegårdsvej 8 in Rønne or to one of BOFA's landfill areas, as has previously been the practice.

    Slightly contaminated soil
    Slightly contaminated soil is the starting point:

    • Soil excavated within road areas.
    • Soil excavated in the classified areas.
    • Soil originating from e.g. registered contaminated sites (mapped areas).

    Before transport to BOFA, the soil removal must be notified as described at the top of the page. The notification form and any soil samples must be brought with you upon delivery.

    Soil from mapped areas
    When moving soil from mapped areas and contaminated soil, in addition to slightly contaminated soil, one soil sample must be taken per 30 tonnes. In addition, an identification of any hot spots must be carried out.

    The same requirements for analyses apply if contaminated soil is found that exceeds the level for slightly contaminated soil, but where the area has not been mapped. However, the municipality can reduce the number of samples if the municipality has approved a soil management plan prior to the notification.

    Before transport to BOFA, the soil removal must be notified as described at the top of the page. The notification form and any soil samples must be brought with you upon delivery.

    Emergency excavations
    Emergency excavations are excavations and relocation of soil that, due to a sudden situation, cannot await prior notification and approval.

    This soil can be moved immediately to a temporary location:

    • In a container or similar
    • The mapping site at BOFA.

    When an excavation and relocation to a temporary location takes place, this must be reported to Technical and Environmental Services. The notification must be made no later than 3 working days after the move to the temporary location has been completed.

    When submitting to BOFA, a notification form must be submitted. The form must be signed by the company responsible for the earth removal and serves as documentation of the origin of the soil.

    For emergency excavations, BOFA's mapping site can be used. When soil is placed on the mapping site, the responsible company must sign a soil removal declaration on the scale. The responsible company must then arrange for the soil to be analysed and moved to the final depot within 3 months.

    Any questions can be directed to the Centre for Environment, Planning and Culture:

    Jordforurening@brk.dk 

  • Commercial waste schemes

    BOFA has the following schemes for commercial waste on Bornholm:

    Collection schemes:
    BOFA's recycling centre
    Vestermarievej 48, 3700 Rønne, Denmark

    Refrigeration and freezer furnitureBringing device
    Electronic wasteBringing device
    White goodsBringing device

    BOFA's waste treatment centre
    Almegårdsvej 8, 3700 Rønne

    Waste suitable for incinerationBringing device
    Waste suitable for landfillBringing device
    Car tyresBringing device
    Clinical hazardous wastePick-up scheme
    BatteriesBringing device
    Light sourcesBringing device

    Guidance schemes:
    Schemes for source separated recyclable commercial waste:

    BOFAs recycling centre
    Vestermarievej 48, 3700 Rønne, Denmark

    Paper/cardboardBringing device
    Confidential paperBringing device
    Glass/bottlesBringing device
    Plastic packagingBringing device
    Plaster of ParisBringing device

    BOFAs waste treatment centre 
    Almegårdsvej 8, 3700 Rønne

    Garden and park wasteBringing device
    Construction wasteBringing device
    Rigid PVCBringing device
    Pure woodBringing device

    BOFAs infill areas
    Olsker, Nexø and Aakirkeby (cross track)

    Clean soilBringing device
  • Waste regulations

    How to download the regulation:

    1. Click on the link below.
    2. Select either "Household" or "Business".
    3. Click on the PDF icon next to "Bornholm".

    You can then download the regulation as a PDF file or print it out.

    Link to regulations

  • Demolition and renovation

    Here you can find help with screening for demolition or renovation.

  • Rules for household-like commercial waste

    Waste sorting requirements for businesses

    All businesses, regardless of size, must sort their household-like waste into ten different waste types.

    The purpose of the rules is to ensure that more waste is recycled.

    Handling the waste

    BOFA receives the waste at the recycling centres (except for food waste), but it is the company's own responsibility to arrange collection.

    Businesses can choose either:

    • Using a hauler to pick up the waste.
    • Transport the waste yourself to one of BOFA's recycling centres.

    If the company transports the waste itself, it requires registration for BOFA's business scheme. Registration takes place here.

    Notes:
    Vehicles may have a maximum total weight of 3,500kg.

    Do you have any questions?

    If you have any questions about the business scheme, it is recommended to contact a haulier.

    Further information:

    You can read more about sorting and get tips in the material from the Danish Environmental Protection Agency here.

    You can find more information about waste sorting at recycling centres in BOFA's sorting guide.

  • Pricing structure for commercial waste at recycling centres

    Companies that deposit waste at the Bornholm recycling centres will be billed per visit to the centre, rather than the previous fixed annual fee. This is to ensure a more cost-accurate billing, so that companies with many visits and large amounts of waste pay more than companies with few visits and smaller quantities of waste.

    Conveniently, a licence plate scanner will register the commercial vehicles upon entry.  

    ATTENTION! Commercial vehicles (licence plates) registered in the scheme in 2025 will be automatically transferred to the new commercial scheme in 2026. Therefore, you only need to take action if there are changes to your registered commercial vehicles or you have new ones.

    Price per visit as of 1 January 2026:

    • Craft and landscaping companies must pay DKK 100 (ex. VAT) per visit.
    • Other companies must pay DKK 25 (ex. VAT) per visit.

    If you are unsure about your company's industry code, you can find it at virk.dk.

    • Commercial waste is charged per visit to the recycling centre.
    • When your commercial vehicle is enrolled in the scheme, the vehicle's number plate is automatically read when entering the recycling centre.
    • The company receives a single invoice at the end of the month.
    • The scheme covers commercial vehicles with white, yellow or parrot licence plates. Max. Total weight of 3,500kg.

    Important when working for BOFA:

    • Contact the site staff immediately on arrival if you are delivering goods or performing work for BOFA. This way you avoid being invoiced.
    • Outside opening hours: At the 24-hour sites, it is not possible to cancel the payment when the site staff is not present.

    It is important to emphasise that the change does not mean increased earnings for BOFA - only a redistribution of existing revenue.

    The change was adopted by the municipal council on Bornholm in autumn 2024. Price rates adopted by the municipal council October 2025.

    Vh. BOFA

  • Hazardous waste management

    What is hazardous waste?
    Hazardous waste includes chemicals such as cleaning agents, paints, waste oils, acids, alkalis and other similar substances that can pose a risk to the environment and health. If you are unsure whether something is hazardous waste, you can get guidance by contacting BOFA.

    For households:
    Certain types of hazardous waste can be handed in via the recycling bin. Read more about it here.

    All other household hazardous waste must be delivered to one of the island's recycling centres during manned opening hours (note that delivery is not possible at Hasle and Østermarie recycling centres). BOFA has entered into an agreement with Stena Miljø A/S, which ensures the collection and proper treatment of the hazardous waste collected at the recycling centres.

    For business:
    Businesses can drop off hazardous waste at the island's recycling centres in containers of up to 5 litres or 5 kg during manned opening hours (note that drop-off is not possible at Hasle and Østermarie recycling centre). A maximum of 200 kg of hazardous waste can be delivered per year, and this requires that the company is registered with BOFA's scheme for business use of recycling centres.

    Handling larger volumes
    In the case of larger quantities of hazardous waste, this must be handled by an ADR-approved haulier.

    Treatment of chemicals
    Hazardous waste containing chemicals is treated with a focus on maximising recycling.

  • Transfer station for hazardous waste

    BOFA's hazardous waste transfer station consists of a receiving station and a storage hall.

    Hazardous waste is received here, such as:

    • Cleaning agents
    • Painting
    • Waste oil
    • Acids
    • Bases
    • Other harmful substances

    The hazardous waste is weighed and registered, after which it is reloaded into approved transport packaging.

    Once the waste has been transhipped, it is stored in the warehouse until it can be sent to an authorised recipient and processor off-island.

    Hazardous waste is handled with a focus on maximising recycling while taking safety and environmental protection into account.

  • Recycling centre in Vestermarie

    The recycling centre handles recycling:

    • Paper and cardboard
    • Bottles and glass packaging
    • Recyclable plastic
    • Sanitation
    • Plaster of Paris
    • Discarded fridges and freezers
    • Discarded electrical and electronic equipment

    Paper and cardboard
    Paper and cardboard is pressed and baled before being sent to recycling companies off-island.

    Bottles and glass packaging
    Bottles and glass packaging glass are forwarded unsorted for re-melting and recycling overseas.

    Recyclable plastic
    Packaging plastic in the form of shrink wrap, pallet caps or bubble wrap is pressed into bales before being sent for recycling. 

    Electronic waste
    Electronic waste is temporarily stored in specially designated areas at the recycling centre until it can be forwarded for recycling overseas.

    Refrigeration and freezer furniture
    Refrigeration and freezer furniture is temporarily stored in specially designated areas until it can be forwarded to authorised reprocessing facilities. These facilities are qualified to safely capture and handle CFC gases.

  • Why does some of BOFA's compost smell?

    Compost can smell if not enough oxygen is supplied during the decomposition process. This can happen, for example, during winter seasons with heavy rainfall where excess water can prevent air from entering the compost pile.

    However, the quality of the compost is not affected and if you aerate it well after picking it up, the odour will dissipate.

  • Can there be slugs in BOFA compost?

    No, slugs cannot survive the composting process. The temperature during the process reaches around 80 degrees, which is high enough to kill the slugs. Any snail eggs will not survive at these temperatures either.