Turun seudun puhdistamo Oy (Turku Region Wastewater Treatment Plant Ltd.)

What Turun seudun puhdistamo Oy (Turku Region Wastewater Treatment Plant Ltd.) does

Turun seudun puhdistamo Oy is a privately held Finnish regional wastewater utility jointly owned by 14 municipalities and Turku Energia, operating the Kakolanmäki wastewater treatment plant in Turku, Southwest Finland. The plant is a 4-line mechanical, chemical, and biological treatment facility built into a rock cavern, with footprint equivalent to roughly six football fields, treating approximately 3.3 million m³ of wastewater per year for a 300,000-resident catchment and achieving 99% removal of organic matter, phosphorus, and suspended solids and over 80% nitrogen removal. Operations are energy-positive (208 MWh produced vs 23 MWh consumed in 2023), and a UV disinfection unit commissioned in 2023 brings discharged water within coastal swimming-water quality criteria.

The business model is a captive inter-municipal utility: the company charges its 15 owner-customers (14 municipalities and Turku Energia) on a recurring service basis for wastewater treatment and heat recovery, with pricing not publicly disclosed. Its technology stack is fully automated, with computer-controlled SCADA, a centralized real-time reporting software aggregating data from meters, analyzers, and remote pump stations, and a UV disinfection add-on. Supporting capabilities include guided and virtual facility tours (~1,600 visitors/year), and it maintains long-term operational partnerships with Caverion (maintenance), LSvyt (accredited lab and compliance monitoring), Gasum (sludge handling), and Ward & Burke (outfall construction), plus cybersecurity collaboration with VTT and Huoltovarmuuskeskus. Strategic positioning is anchored in regulatory compliance (environmental permit, Green Deal, Turku Climate City Agreement toward 2029 carbon neutrality) and Baltic Sea protection rather than commercial market expansion.

Name

Turun seudun puhdistamo Oy (Turku Region Wastewater Treatment Plant Ltd.)

Legal name

Turun seudun puhdistamo Oy

Website

https://turunseudunpuhdistamo.fi

Company type

Private

Founded year

2012

Operating status

Operating

Headcount range

11–50 employees

Short description

Turun seudun puhdistamo Oy is a municipal-utility joint venture owned by 14 municipalities and Turku Energia that operates the Kakolanmäki rock-cavern wastewater treatment plant in Turku, Finland, providing wastewater treatment and heat recovery to 300,000 residents.

Ownership category

akta.pro rank

Product category

Wastewater Treatment Services

NAICS

Sewage Treatment Facilities (22132), Water, Sewage and Other Systems (2213), Waste Treatment and Disposal (56221)

SIC

Sanitary Services (4950), Water, Sewer, Pipeline, Comm & Power Line Construction (1623)

akta.pro primary industry

Advanced/Nutrient Removal (BNR/ENR: N, P) (EUANADAC)

akta.pro secondary industries

Nutrient Recovery from Sludge (Struvite, Ammonia/Phosphorus Recovery) (EUANAHAD), Municipal Wastewater Collection (Sewer Networks) (BPALAMAA), Plumbing & Utility Systems (Potable/Non-Potable Water, Sanitary, Storm, Sewage Lift) (EUAEAFAF)

Keywords

• Wastewater treatment services
• Municipal water utilities
• Sewage treatment operations
• Heat recovery services
• Water purification infrastructure

Headquarters

HQ city

Turku

HQ country

Finland

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Operations, Infrastructure, Personnel, Technology or R&D, Supply Chain

Revenue model

1. Jätevedenpuhdistuspalvelu: Yhtiö tarjoaa omistajilleen (14 kuntaa ja Turku Energia) jätevedenpuhdistuspalvelua ja lämmöntalteenottopalvelua kustannustehokkaasti. Yhtiö on seudullinen tukkujätevesiyhtiö, joka laskuttaa osakaskuntia palveluista.
2. Lämmöntalteenottopalvelu: Lämmöntalteenottopalvelu osana jätevedenpuhdistusprosessia. Puhdistamon energiatase 2023: energiankulutus 23 MWh/a, energiantuotanto 208 MWh/a — tuotetaan lähes kymmenen kertaa enemmän energiaa kuin käytetään.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Turun seudun puhdistamo Oy operates the Kakolanmäki wastewater treatment plant built into a rock cavern in Turku, Finland. The company provides municipal wastewater treatment services and heat recovery services to its 14 owner municipalities and Turku Energia, serving approximately 300,000 residents and processing around 3.3 million m³ of wastewater annually through mechanical, chemical, and biological treatment processes.

Product overview

Turun seudun puhdistamo Oy is a regional wholesale wastewater treatment company owned by 14 municipalities and Turku Energia. The company operates as a single unified service provider offering wastewater treatment services centered around the Kakolanmäki facility built into a rock cavern. Core offerings include the main wastewater treatment service with mechanical, chemical, and biological processes, plus heat recovery services. Supporting services include guided and virtual facility tours, and specialized UV disinfection technology for water sanitization. The company serves approximately 300,000 residents across its owner municipalities.

Differentiator

Problem solved

Functional benefit

Products and services

• Jätevedenpuhdistuspalvelu (Wastewater Treatment Service)
• Lämmöntalteenottopalvelu (Heat Recovery Service)
• Opastetut puhdistamokierrokset (Guided Plant Tours)
• Virtuaalikierros (Virtual Tour)

Named customers2 records

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Eight partnerships are on record, tiered minor and core.

• Nuorten NYT / YrityskyläminorGTM or Marketing Partner · 1 January 2020Kakolanmäen jätevedenpuhdistamo on ollut mukana vesihuollon pienoisyrityksessä vuodesta 2020 lähtien yhdessä Turun Seudun Vesi Oy:n ja Turun Vesihuolto Oy:n kanssa. Lukuvuonna 2025-2026 oppilaiden käyttöön saatiin uusi vuotovesisimulaattori. Tarjoaa kuudes- ja yhdeksäsluokkalaisille myönteisiä kokemuksia työelämästä.
• Caverion Suomi OycoreImplementation/ SI/ Consulting Partner · 1 January 2019Caverion Suomi Oy on toiminut Kakolanmäen jätevedenpuhdistamon kunnossapidon palveluntuottajana vuoden 2019 alusta lukien. Ydintiimiin kuuluu kunnossapitopäällikön ja työnjohtajan lisäksi kymmenkunta eri alan osaajaa. Sopimukseen kuuluu myös pumppaamoiden ja kaukokäyttökohteiden kunnossapito.
• Ward & Burke Group LtdcoreImplementation/ SI/ Consulting Partner · 1 January 2019Ward & Burke Group Ltd allekirjoitti 7.11.2019 sopimuksen Kakolanmäen poistoputkihankkeen tunkkauksesta. Yhtiö vastaa poistoputken rakentamisesta osana puhdistamon kehittämishanketta.
• Gasum OyminorStrategic or Co-development Partner · 1 January 2010Etelä-Suomen Aluehallintovirasto on laajentanut Gasum Oy:n ympäristölupaa joulukuussa 2010 siten, että biokaasulaitokselle voidaan vastaanottaa ja käsitellä yhdyskuntien jätevedenpuhdistamoiden lietteitä enintään 75 000 tonnia vuodessa.
• Lounais-Suomen vesi- ja ympäristötutkimus Oy (LSvyt)coreTechnology or IntegrationLSvyt vastaa Kakolanmäen puhdistamon käyttö- ja päästötarkkailun näytteenotto-, laboratorio- ja raportointipalveluista puhdistamon käyttöönotosta lähtien. LSvyt tekee myös osakaskuntien jätevesien kuormitustarkkailun, hajutarkkailun ja vesistövaikutusten tarkkailun. LSvyt:n laboratorio on FINAS-akkreditoitu.
• Turun Seudun Vesi OycoreStrategic or Co-development PartnerYhteinen ympäristöohjelma vesiyhtiöiden kanssa. Sitoutuminen toimimaan viranomaisvaatimuksia paremmin sekä lisäämään ympäristötietoisuutta. Sisältää Itämerihaasteen kauden 2024–2028 toimenpiteet.
• Turun Vesihuolto OycoreStrategic or Co-development PartnerYhteinen ympäristöohjelma vesiyhtiöiden kanssa. Sitoutuminen toimimaan viranomaisvaatimuksia paremmin sekä lisäämään ympäristötietoisuutta. Sisältää Itämerihaasteen kauden 2024–2028 toimenpiteet.
• HuoltovarmuuskeskusminorStrategic or Co-development PartnerYhteistyötä tehdään Huoltovarmuuskeskuksen kanssa tietoturvan kehittämishankkeissa puhdistamon toimintavarmuuden varmistamiseksi.

Scale indicators9 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Helsinki Region Environmental Services Authority (HSY): Operates the Viikinmäki and Blominmäki wastewater treatment plants serving roughly 1.4 million residents in the Helsinki capital region. Directly comparable as a municipally owned Finnish wastewater utility running large, advanced, energy-recovering treatment plants.
• Oulun Vesi: City of Oulu's water and wastewater utility, operating the Taskilan jätevedenpuhdistamo. Comparable as a Finnish municipally owned wastewater treatment utility of similar scale serving a Nordic regional population.
• Lahti Aqua Oy: Water and wastewater utility for the Lahti region, owned by local municipalities. Comparable as a Finnish municipal water/wastewater operator running modern treatment processes and heat-recovery/energy projects.
• Jyväskylän Seudun Puhdistamo Oy: Multi-municipally owned wastewater treatment utility serving the Jyväskylä region. Closely comparable organisational and operating model to the subject company.
• Tampereen Seudun Keskuspuhdistamo Oy: Joint municipal company building the new Tampere central wastewater treatment plant (Sulvisuon pohjapuhdistamo) for the Tampere region. Closely comparable as a Finnish multi-municipality-owned bulk wastewater treatment utility, even if the plant is at a different stage of its lifecycle.
• HS-Vesi (Hämeenlinnan Seudun Vesi Oy): Regional water and wastewater utility owned by several municipalities in the Hämeenlinna area. Comparable in governance, scale and service mix to the subject company.

Others

• Gasum Oy: Nordic biogas producer that already holds a permit to process up to 75,000 t/yr of the subject company's sludge. Closely linked through the circular-economy sludge value chain and relevant as both a strategic partner and a downstream comparator for resource recovery from wastewater.

Broad incumbents

• Kemira Oyj: Finnish-headquartered global chemicals company supplying coagulants, polymers and other process chemicals for municipal wastewater treatment. Comparable as a key supplier/ecosystem participant in the Finnish WWTP value chain.
• Veolia Water Technologies & Solutions: Global water and wastewater technology and services provider. Relevant as a broad incumbent whose process technology, UV systems and digital monitoring tools are commonly deployed in Nordic municipal treatment plants, including competitive offerings to what Kakolanmäki uses.

Regional players

• Turun Vesihuolto Oy: Owns Turku's water supply and sewer network, coordinates the shared Baltic Sea environmental programme with the subject company, and is a direct operational neighbour. Comparable as a municipally owned Finnish water/wastewater utility in the same service region.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat5 records

Key risks7 records

Key highlights7 records

Customer concentration

• Xx.com/TurunSeudunPuhd
• YouTubeyoutube.com/channel/UChAvJhUCylbzyMVWsDRJKSg
• Facebookfacebook.com/TurunSeudunPuhdistamoOy
• LinkedInlinkedin.com/company/turun-seudun-puhdistamo-oy
• Instagraminstagram.com/turunseudunpuhdistamo

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Turun seudun puhdistamo Oy (Turku Region Wastewater Treatment Plant Ltd.)