Leppäkoski

What Leppäkoski does

Leppäkoski Group Oy is a privately held Finnish regional energy company founded in 1919, headquartered in Ikaalinen, with operations across the Pirkanmaa and Satakunta regions. The group operates through wholly owned subsidiaries: Leppäkosken Sähkö Oy runs a regulated electricity distribution network serving over 30,000 customers under the Finnish Electricity Market Act, charging a two-part regulated tariff (fixed basic fee by fuse size and variable transmission fee) supervised by the Energy Authority (Energiavirasto); Leppäkosken Lämpö Oy provides district heating and natural gas across Nokia, Parkano, Ikaalinen, Hämeenkyrö, Ylöjärvi, and Ulvila; Ulvilan Lämpö Oy extends district heating in Ulvila; and DL Power Oy and Kiinteistö Oy Juolgisealgi hold adjacent energy and real estate assets respectively. Service is delivered via three physical offices (Ikaalinen, Ylöjärvi, Nokia), a 24/7 centralized fault line, a self-service portal (Leppis Online), and dedicated technical/account management for industrial customers on power-based tariffs above 200 A.

The core technology stack comprises remote-reading smart electricity meters (currently being replaced 2025-2028 across 30,000 sites with 15-minute interval measurement and HAN/H1 home-automation ports), a district heating network fed partly by bioenergy from locally procured wood chips, and an HV/MV substation infrastructure including the Elovainio substation currently being expanded to double capacity by end-2027. The group operates approximately 150 m of network per connection on average, with 55% of cabling currently underground and a target of 100 km of new underground cable per year to improve supply reliability, alongside 300 km/year of vegetation clearing on a roughly six-year cycle.

The business model rests on four recurring or transactional revenue streams: regulated electricity network tariffs (subscription), district heating and natural gas tariffs (subscription), one-time connection fees based on contracted capacity, and wood procurement/bioenergy operations. Pricing is mid-range nationally per company disclosure, with the rural territory (high network length per customer) partially offset by regulated cost-based recovery. Recent strategic emphasis is on smart meter modernization, underground cabling, substation capacity expansion, and integration of distributed solar generation (over 400 small-scale producers with hourly netting since June 2021) and energy community services for apartment buildings. Recognition includes Suomen Vahvimmat 2024-2025 and the 5-year Kestomenestyjät 2025 sustainability/ESG award.

Name

Leppäkoski

Legal name

Leppäkoski Group Oy

Website

https://leppakoski.fi

Company type

Private

Founded year

1919

Operating status

Operating

Headcount range

51–100 employees

Short description

Leppäkoski is a privately held Finnish regional energy group (founded 1919) that operates a regulated electricity distribution network serving over 30,000 customers in Pirkanmaa and Satakunta, alongside district heating and natural gas services across multiple municipalities, with active investment in smart metering, underground cabling, substation expansion, and bioenergy heat production.

Ownership category

akta.pro rank

Product category

Electricity Distribution and District Heating Utilities

NAICS

Electric Power Generation, Transmission and Distribution (2211), Electric Power Transmission, Control, and Distribution (22112)

SIC

Electric Services (4911), Electric & Other Services Combined (4931)

akta.pro primary industry

Interconnection, Permitting & Grid Services for DERs (EUAMAJAH)

akta.pro secondary industries

Distributed Generation (DG) Solar & Small Wind (EUAMAJAD), Renewable Distributed Generation (Rooftop/Onsite Solar, Small Wind, Small Hydro) (EUACALAJ)

Keywords

• Electricity distribution
• District heating services
• Natural gas distribution
• Smart meter infrastructure
• Bioenergy procurement

Headquarters

HQ city

Ikaalinen

HQ country

Finland

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

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

Revenue model

1. Electricity Network Services (Verkkopalvelu): Leppäkosken Sähkö Oy operates as a regulated distribution system operator (DSO) under the Electricity Market Act, charging customers for electricity transmission via the local grid. Revenue comes from a regulated two-part tariff: a fixed basic fee (€/month) based on fuse size, and a variable transmission fee (snt/kWh). Prices are supervised by the Energy Authority (Energiavirasto). Revenue is derived from over 30,000 customers across Pirkanmaa and Satakunta.
2. District Heating and Natural Gas: Leppäkosken Lämpö Oy provides district heating and natural gas to residential, commercial, and industrial customers in Ikaalinen, Nokia, Parkano, Hämeenkyrö, Ylöjärvi, and Ulvila. District heating billing consists of a fixed basic fee based on contracted heating power and a variable energy fee based on measured consumption. Natural gas billing includes a fixed network service fee and variable energy fee.
3. Connection Fees (Liittymismaksut): One-time connection fees charged for new electricity connections, district heating connections, and natural gas connections. Based on contracted capacity (fuse size for electricity, heating power for district heating). Connection fees are regulated for electricity under the Electricity Market Act.
4. Wood Procurement and Bioenergy: Leppäkoski Group operates a wood procurement business that purchases standing timber (particularly from management thinning/hoitohakkuu) from forest owners in Pirkanmaa and Satakunta, processing it into fuel wood chips (tuohi) for use in local district heating plants. This supports the company's goal of producing 1 million MWh of local heat from harvested wood energy.

Pricing tiers

Go-to-market motion2 records

Distribution channels5 records

Marketing channels6 records

Core offering

Leppäkoski is a Finnish regional energy group that provides regulated electricity distribution to over 30,000 customers across Pirkanmaa and Satakunta, as well as district heating and natural gas supply in Nokia, Parkano, Ikaalinen, Hämeenkyrö, Ylöjärvi, and Ulvila. Its portfolio also includes a wood procurement business producing fuel chips for local bioenergy district heating, smart meter rollout, customer-facing digital services (Leppis Online, Keskeytysvahti, Säästöohjaus), and energy community billing for shared solar in apartment buildings.

Product overview

Leppäkoski is a Finnish energy group consisting of Leppäkosken Sähkö Oy (electricity distribution), Leppäkosken Lämpö Oy (district heating and natural gas), Leppäkoski Group Oy (parent holding), Ulvilan Lämpö Oy, DL Power Oy, and Kiinteistö Oy Juulgisealgi. The core portfolio spans two main infrastructure businesses: (1) electricity distribution — covering grid connections, network service products (Yleissiirto, Kausisiirto, Kaksiaikasiirto, and Tehopohjaiset siirrot), smart meter replacement (~30,000 meters through 2028), solar PV integration, and 24/7 outage response; and (2) district heating and natural gas across Nokia, Parkano, Ikaalinen, Hämeenkyrö, Ylöjärvi, and Ulvila. Supporting these are customer-facing digital services — Leppis Online portal, Keskeytysvahti outage alerts, Säästöohjaus load management, and Energiayhteisö solar community billing — plus timber/biofuel procurement (Puunhankinta) for heating production. The group serves over 30,000 electricity customers and operates in Pirkanmaa and Satakunta.

Differentiator

Problem solved

Functional benefit

Brands

• Leppis Online: Online services portal for customers to manage electricity contracts, monitor consumption, and access billing services
• Keskeytysvahti
• Säästöohjaus
• Energiayhteisö

Products and services

• Electricity Distribution (Sähkönjakelu) Regulated electricity distribution by Leppäkosken Sähkö Oy for over 30,000 customers in Pirkanmaa and Satakunta. Includes network service products, grid connections, power quality management, 24/7 outage response, and tree clearance along power lines.
• District Heating and Natural Gas (Kaukolämpö ja Maakaasu) District heating and natural gas distribution provided by Leppäkosken Lämpö Oy to residential, commercial, and industrial customers across multiple municipalities. District heating is billed based on measured consumption with a basic fee plus energy fee; natural gas includes both sales and network service components.
• Electricity Connection (Sähköliittymä) New electricity connection service for connecting properties to the grid, including connection fee based on fuse size, technical guidelines, and coordination with certified electrical contractors. Available in sizes from 3×25 A to medium-voltage connections.
• Smart Meter Replacement Program (Sähkömittareiden Vaihdot) Replacement of approximately 30,000 electricity meters with next-generation smart meters across Leppäkoski's distribution network from 2025 to 2028. New meters enable 15-minute consumption data, H1 port for near-real-time home automation integration, and load control relay for demand response.
• Wood Procurement and Biofuel (Puunhankinta) Wood procurement and biofuel business that acquires energy wood from forest owners in Pirkanmaa and Satakunta for use in local bioenergy district heating plants. Manages forest thinning, first thinning, and wood fuel harvesting operations, processing material into fuel chips (tuohi).
• Solar PV Grid Connection (Aurinkosähkön Liittäminen) Service for connecting small-scale solar PV systems (up to 100 kVA) to the distribution grid, including notification handling, approval, and integration with hourly netting. Includes net-metering and energy community billing services.
• Energy Community Billing Service (Energiayhteisön Hyvityslaskentapalvelu) Billing calculation service that enables apartment buildings' residents to share solar electricity produced on-site. Produced solar energy is allocated among community members according to agreed distribution ratios without requiring meter rewiring.
• Critical Load Designation (Keskeytyskriittinen Sähkönkäyttöpaikka) Service allowing customers with critical electricity needs (healthcare, data centers, infrastructure) to register their supply point for priority consideration during outage management and planned interruptions.
• Small-Scale Electricity Production (Pientuotanto) Grid connection services for small-scale electricity generation up to 2 MVA, including wind turbines, solar PV systems, and small bi combustion plants. Includes micro-production (≤100 kVA) connection and excess energy feed-in management.

Quantifiable outcome

• Supply reliability improvement through 100 km of new underground cable in 2026, increasing underground cabling rate from 55% toward full coverage
• +2 more outcomes

Named customers3 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration5 records

Feature4 records

Partnerships

Seven partnerships are on record, tiered core and major.

• LennucoreStrategic or Co-development Partner · 1 January 2026Lennu is a fiber network company constructing broadband infrastructure in the Ylöjärvi Vastamäki area. Leppäkoski and Lennu are conducting joint excavation (yhteiskaivuu) for approximately 4 kilometers of shared trench, reducing construction disruption, costs, and environmental impact for both parties. Lennu is building about 7.5 km of fiber in the area, with around 60-70 properties getting fiber access.
• Sähkölandia OymajorImplementation/ SI/ Consulting Partner · 1 January 2026Sähkölandia Oy serves as the main contractor for the Elovainio substation expansion project in Ylöjärvi, which will double the substation's capacity. The project is part of Leppäkoski's proactive capacity increase ahead of Fingrid's transmission constraint removal.
• Hitachi Energy Finland OymajorTechnology or Integration · 1 January 2026Hitachi Energy Finland Oy is supplying the main transformer (110/20 kV) for the Elovainio substation expansion. The transformer is a critical component enabling the capacity doubling of the substation.
• Pirkan Verkkopalvelu OymajorImplementation/ SI/ Consulting Partner · 1 January 2026Pirkan Verkkopalvelu Oy acts as the main excavation contractor for Leppäkoski's cable projects, including the Vastamäki underground cabling in Ylöjärvi (approximately 18 km of new cable).
• Maanrakennus Kalevi Viitaharju OymajorImplementation/ SI/ Consulting Partner · 1 January 2026Maanrakennus Kalevi Viitaharju Oy is the main excavation contractor for the Röyhiö area underground cabling project in Ikaalinen (approximately 30 km of new cable, investment ~€1.5M). Also a contractor in the Vastamäki area fiber joint excavation project.
• Tampereen Vera OycoreImplementation/ SI/ Consulting Partner · 1 January 2025Tampereen Vera Oy is responsible for the physical installation of Leppäkoski's smart electricity meter replacement program covering 30,000 households across Pirkanmaa and Satakunta from 2025 to 2028. They send advance notice to customers and coordinate installation appointments.
• LowellcoreTechnology or Integration · 1 January 2023Lowell provides Leppäkoski's billing collection and debt management services (Oma Lowell Laskutus portal). Leppäkoski uses Lowell's platform for invoice payment processing, due date changes, and overdue payment management for electricity network service bills.

Scale indicators9 records

Recent moves10 records

Expansion highlights6 records

Direct peers

• Oulun Energia: Northern Finnish municipal energy company operating electricity distribution, district heating (using biomass) and energy services. Similar integrated structure with comparable scale and rural/urban network characteristics in its service territory.
• Turku Energia: Municipal energy group serving the Turku region with electricity distribution, district heating (biomass-fired) and grid services. Closely comparable multi-utility model with a bioenergy-anchored heat business and a smaller, geographically contained distribution operation.
• Elenia Oy: One of Finland's two largest regulated electricity DSOs, serving ~436,000 customers primarily in Häme, Pirkanmaa and Pohjanmaa. Directly comparable as a Finnish-regulated DSO with active underground cabling and smart meter programs and overlapping Pirkanmaa territory with Leppäkoski.
• Kymenlaakson Sähköverkko Oy: Smaller Finnish regulated electricity DSO serving the Kymenlaakso region. Comparable in scale (mid-sized DSO, several tens of thousands of customers) and product structure (Yleissiirto/Kausisiirto tariffs), with parallel smart meter and underground cabling programs.
• Caruna Oy: Finland's largest electricity DSO with ~480,000 customers across southern, western and central Finland. Operates under the same Energiavirasto regulatory regime, runs an analogous smart meter rollout, and has comparable rural/urban network mix and underground cabling program.
• Helen Oy: Helsinki municipal energy group providing electricity distribution, district heating and natural gas, plus biomass-fired heat generation. Comparable vertically integrated utility model combining regulated DSO business with district heating and bioenergy — like-for-like structure with Leppäkoski at city scale.

Broad incumbents

• Fortum Oyj: Major Nordic energy group with Finnish distribution assets and large-scale district heating. Wider portfolio than Leppäkoski but overlapping in regulated electricity operations and biomass-based heat generation; useful for capital allocation and strategy benchmarks.
• Vattenfall Oy (Finland): Swedish state-owned utility with a Finnish regulated electricity distribution arm and renewable generation interests. Comparable only at the broader-utility level (overlapping regulated DSO and biomass/heat strategy), but relevant peer for European energy-transition direction.

Regional players

• Pori Energia: Energy utility serving the Pori region in Satakunta, directly neighboring Leppäkoski's western service territory. Overlapping Satakunta geography and similar customer-segment mix make it a useful regional benchmark for tariff and capex comparisons.
• Tampereen Energia (Tammervoima): Municipal energy group serving the Tampere urban area with electricity, district heating and district cooling. Operates adjacent to Leppäkoski's Pirkanmaa territory; comparable in district heating model but with a denser, urban network profile.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/leppakoskifi
• LinkedInlinkedin.com/company/leppakoskifi
• Instagraminstagram.com/leppakoskifi
• Xx.com/leppakoskifi

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 records

Subsidiaries5 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 Leppäkoski