Naantalin Energia Oy

What Naantalin Energia Oy does

Naantalin Energia Oy is a municipal energy company, founded in 1912 and 100% owned by the City of Naantali (Naantalin kaupunki), operating an electricity distribution network in Naantali, Southwest Finland. The company serves more than 7,200 electricity usage locations, including residential households, summer cottage owners, local businesses, housing cooperatives, and industrial customers in the Luolala industrial zone and port area. Its core business is regulated electricity distribution through a 0.4–20 kV underground and overhead network, of which 84% is underground cabled — among the highest shares in Finland — yielding an average outage time of roughly 6 minutes versus the ~50-minute national average.

The product set includes grid services (network access and distribution fees, regulated by Energiavirasto), local electrical contracting for new connections and maintenance, solar electricity grid-connection services for customer-owned PV (over 260 customer solar sites, more than doubled in one year), and minority production exposure to wind power through the Katternö Kraft Oy consortium (Puhuri and Rajakiiri wind parks). Technical differentiators include the Älymuuntamo smart substation with integrated battery storage, bifacial solar canopies (288 panels, 106 kWp) at the Lounatuuli housing fair, and a 24/7 online customer portal for consumption monitoring.

The business model is a regulated monopoly franchise: recurring grid service fees on a monthly subscription basis, supplemented by project-based contracting revenue. Pricing is set under regulatory oversight with disclosed increases of ~3.5% (including tax) effective 1 July 2025. In December 2025 the company divested its electricity retail sales business to Väre Oy (effective March 2026), exiting retail to refocus on the regulated network franchise, local contracting, and renewable production shares. FY2025 revenue was EUR 12.6 million (+12.5% YoY) with operating profit of EUR 1.6 million; FY2025 capex of EUR 5.7 million is anchored by the ~EUR 8 million Saharanta substation and 110 kV cable project scheduled for completion in summer 2026.

Name

Naantalin Energia Oy

Legal name

Naantalin Energia Oy

Website

https://naantalinenergia.fi

Company type

Private

Founded year

1912

Operating status

Operating

Headcount range

1–10 employees

Short description

Naantalin Energia Oy is a 100% municipally owned (City of Naantali) regulated electricity distribution operator founded in 1912, serving over 7,200 households, businesses, and industrial customers in Naantali, Finland via an 84% underground-cabled network with industry-leading reliability.

Ownership category

akta.pro rank

Product category

Electricity Distribution & Grid Services

NAICS

Electric Power Distribution (221122), Electric Power Transmission, Control, and Distribution (22112), Electric Bulk Power Transmission and Control (221121)

SIC

Electric Services (4911)

akta.pro primary industry

Electric Distribution System Owners (Wires-Only Companies) (EUADABAI)

akta.pro secondary industries

Distribution Network O&M (MV/LV Lines, Switchgear, Transformers) (EUAEAGAE), Electrical Systems O&M (Substations, Transformers, Switchgear, Protection & Controls) (EUAMAGAH)

Keywords

• Electricity distribution services
• Power grid operations
• Electrical contracting services
• Wind power production
• Solar energy connections

Headquarters

HQ city

Naantali

HQ country

Finland

HQ region

Europe

Offices2 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

Infrastructure, Operations, Personnel, Supply Chain, Marketing or Sales

Revenue model

1. Grid Services (Siirtoliiketoiminta): Electricity transmission and distribution services through own grid network. Revenue from grid service fees (verkkopalvelumaksut) charged to customers for using the electricity network. Network service pricing is regulated by authorities.
2. Construction and Contracting Services (Urakointiliiketoiminta): Local electrical contracting services including electricity connections, construction work, and maintenance for new residential areas.
3. Wind Power Production Shares: Ownership shares in wind power parks through Katternö Kraft Oy consortium, providing fourth business area with ownership in Puhuri Oy wind parks and Rajakiiri Oy wind parks.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels6 records

Core offering

Naantalin Energia Oy operates the local electricity distribution network in the Naantali region, transmitting electricity to over 7,200 usage locations through its own grid infrastructure. Following the March 2026 transfer of its electricity sales business to Väre Oy, the company retains three business areas: grid services (electricity distribution and network service fees), local electrical contracting for connections and maintenance, and ownership shares in wind power parks through the Katternö Kraft Oy consortium.

Product overview

Naantalin Energia Oy is a municipal-owned local energy company providing electricity distribution and sales services in Naantali, Finland. The company operates a distribution network serving over 7,200 electricity usage locations. Core offerings include electricity sales (sähkönmyynti) with various contract types including wind electricity, and network services (verkkopalvelut/sähkönsiirto) for electricity distribution. Additional services include solar electricity connections, electrical contracting (urakointi), and an online customer portal. Following the sale of their electricity sales business to Väre Oy in March 2026, the company will focus primarily on network operations, renewable energy production participation, and contracting services.

Differentiator

Problem solved

Functional benefit

Quantifiable outcome

• Power outage time reduced to 6 minutes average (2021) vs ~50 minutes national average
• +3 more outcomes

Named customers3 records

Segments4 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature2 records

Partnerships

Eight partnerships are on record, tiered core and minor.

• Väre OycoreChannel Partner/ Reseller/ Distributor · 9 December 2025Partnership announced December 2025 for transfer of electricity sales business. All Naantalin Energia electricity sales contract customers transfer to Väre from March 2026. Väre handles electricity sales, customer service, and billing. Naantalin Energia continues grid services, distribution network, and local contracting.
• Naantalin Vuokratalot OycoreStrategic or Co-development PartnerLong-term cooperation in electricity connection upgrades for major heat pump renovation. Naantalin Vuokratalot completed transition from oil heating to geothermal heating across 38 property groups with 1,050+ apartments. Partnership covers electrical connection upgrades and ongoing services.
• Naantalin Koripalloilijat (NaKo)minorOthersSponsorship of local basketball club's U19 boys' team playing in national first division. Supports youth sports and community engagement.
• Sun Solar and OptiWatiminorGTM or Marketing PartnerExhibition partners at Lounatuuli housing fair 2022. Representatives present at Naantalin Energia smart substation exhibition point alongside company staff.
• Puhuri OycoreStrategic or Co-development PartnerWind power partnership through Katternö Kraft Oy ownership (4.3% stake). Puhuri Oy operates 6 wind parks mainly in Northern Ostrobothnia with 54 wind turbines. Produces approximately 15% of sold electricity as wind power.
• Rajakiiri OyminorStrategic or Co-development PartnerPartial ownership in Rajakiiri Oy wind power parks through Katternö Kraft Oy consortium, providing additional wind power production capacity.
• Helen (Helsingin Energia)coreChannel Partner/ Reseller/ DistributorHelen (Helsinki Energy) acquired Väre Oy in June 2026, affecting electricity sales partner landscape. Current electricity sales customers now receive bills from third company within half year period.
• Katternö Kraft OycoreStrategic or Co-development PartnerEnergy consortium with 4.3% ownership stake. Provides access to Puhuri Oy wind parks and Rajakiiri Oy wind power production. Previously involved in Fennovoima nuclear project which was written off in 2022.

Scale indicators12 records

Recent moves8 records

Expansion highlights3 records

Others

• Katternö Kraft Oy: Energy consortium in which Naantalin Energia holds a 4.3% stake, providing indirect access to Puhuri Oy and Rajakiiri Oy wind power production. Comparable as a municipal energy consortium model and as the vehicle for Naantalin Energia's wind power investments.
• Väre Oy: Direct customer-facing electricity sales partner that took over Naantalin Energia's entire retail book in March 2026. Now part of Helen Group, Väre is the channel partner through which Naantalin Energia's grid customers receive electricity supply.

Broad incumbents

• Helen (Helsingin Energia): Finland's largest municipal energy company and now parent of Väre Oy (Naantalin Energia's electricity sales partner). Helen operates generation, distribution, and sales across Helsinki, providing both direct overlap as a DSO and indirect relevance through its ownership of Naantalin Energia's sales partner.
• Caruna: Finland's largest electricity distribution company, operating regulated DSO networks across broad regions including parts of Southwest Finland. Comparable business model of wires-only distribution with regulated returns, though much larger scale.
• Elenia: Large Finnish DSO serving over 100 municipalities, with comparable regulated distribution model and focus on grid modernization, smart metering, and underground cabling — overlapping strategically with Naantalin Energia's priorities.

Direct peers

• Pori Energia Sähköverkko: Regional Finnish energy group including electricity distribution serving the Pori coastal area, comparable in scale and municipal ownership structure to Naantalin Energia.
• Vantaan Energia Sähköverkot: Municipal DSO serving Vantaa near Helsinki, providing electricity distribution services with similar regulated monopoly economics and customer segments as Naantalin Energia.
• Tampereen Sähköverkko: Municipally-owned electricity distribution company in Tampere offering analogous DSO services, network operations, and customer contracting for a single Finnish city footprint.
• Turku Energia Sähköverkot: Electricity distribution operator for Turku region, also a municipally-owned Finnish DSO serving a comparable coastal Southwest Finland service territory with similar residential and industrial customer mix.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/naantalinenergiaoy

Revenue estimate

Valuation estimate

Number of profiles

Profiles9 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 Naantalin Energia Oy