What Karlshamn Energi does

Karlshamn Energi AB is a privately held multi-utility company founded in 1898 and headquartered at Prinsgatan 45, Karlshamn, Sweden, serving residential and business customers across Karlshamn municipality, including the towns of Karlshamn, Asarum, Mörrum, and Svängsta in Blekinge County. The company operates across five core business areas: electricity trading (Elhandel), electricity grid distribution (Elnät), district heating (Fjärrvärme — reaching approximately 50% of local households), fiber broadband (up to 10,000 Mbit/s), and water supply/wastewater. Operations are structured through three wholly-owned subsidiaries: Karlshamn Energi Elförsäljning AB (electricity sales), Karlshamn Energi Vatten AB (water), and Karlshamn Elnät AB (grid network).

The business model is recurring subscription/utility-fee-based across all five revenue streams, with electricity contracts offered in fixed, variable monthly, hourly spot-price, and 50/50 mix variants. Distribution combines direct channels (website, mobile app, physical customer service office, phone support at 0454-818 00) with a third-party ISP marketplace (Tjänsteguiden) for fiber broadband retail services and a digital ecosystem extending to BankID authentication, Kivra digital invoicing, and Storegate cloud backup partnerships. The company employs 11-50 people and has no disclosed parent company, external investors, or funding rounds.

The technology stack centers on physical utility infrastructure (district heating network, fiber backbone, electricity grid, water/wastewater systems) augmented by a customer-facing digital platform: a mobile app for iOS and Android providing consumption tracking, spot-price monitoring, smart EV charging control (automatically optimizing home charging to lowest spot-price hours), solar production monitoring, and bath temperature data, plus a web portal (Mina Sidor) with BankID authentication. The app uses ML/AI for consumption and cost forecasting based on household data and Swedish Energy Agency benchmarks. Regulatory positioning includes adaptation to the suspended Swedish power-fee mandate (effektavgift) and the government-administered Elstöd 2026 electricity subsidy program.

Name

Karlshamn Energi

Legal name

Karlshamn Energi AB

Website

https://karlshamnenergi.se

Company type

Private

Founded year

1898

Operating status

Operating

Headcount range

11–50 employees

Short description

Karlshamn Energi AB is a privately held Swedish multi-utility founded in 1898, serving residential and business customers in Karlshamn municipality with electricity trading, electricity grid, district heating, fiber broadband, and water supply services through three wholly-owned subsidiaries.

Ownership category

akta.pro rank

Product category

Multi-Utility Services

NAICS

Electric Power Generation, Transmission and Distribution (2211), Electric Power Transmission, Control, and Distribution (22112), Steam and Air-Conditioning Supply (221330)

SIC

Electric Services (4911), Electric, Gas & Sanitary Services (4900)

akta.pro primary industry

Behind-the-Meter Aggregators Acting as DSO (Virtual Power Plant / Community Energy Operators) (EUADABAG)

Keywords

• Electricity distribution services
• District heating supply
• Fiber broadband infrastructure
• Municipal water utility
• Multi-utility services

Headquarters

HQ city

Karlshamn

HQ country

Sweden

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

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

Revenue model

1. Electricity Trading (Elhandel): Sale of electricity to residential and business customers with various contract types including fixed price, variable monthly price, hourly spot price, and 50/50 mix pricing.
2. Electricity Grid (Elnät): Network operation providing electricity distribution to customers in the service area. Revenue derived from regulated grid fees based on consumption and connection capacity.
3. District Heating (Fjärrvärme): Supply of heating through district heating network to residential and commercial properties in Karlshamn, Asarum, Mörrum, and Svängsta areas.
4. Fiber Broadband (Bredband): Fiber network infrastructure providing broadband services. Services are distributed through third-party service providers (Telia, Bahnhof, Tele2, etc.) who retail services to end customers.
5. Water Supply (Vatten): Municipal water supply and wastewater management for households and businesses in Karlshamn municipality.
6. Cloud Backup Services: Partnership with Storegate offering cloud backup services to customers, with 3GB free storage for Karlshamn Energi customers.

Go-to-market motion2 records

Distribution channels4 records

Marketing channels6 records

Core offering

Karlshamn Energi is a local multi-utility company that provides electricity trading (Elhandel), electricity grid distribution (Elnät), district heating (Fjärrvärme), fiber broadband (Bredband), and water supply (Vatten) to residential and business customers in Karlshamn municipality, Sweden. The company sells electricity contracts under multiple pricing models, operates a centralized district heating network serving about 50% of local households, and runs a fiber optic network that delivers broadband through third-party ISPs.

Product overview

Karlshamn Energi is a local energy utility serving Karlshamn municipality with five core business areas: Värme (District Heating), Elnät (Electricity Grid), Digital Infrastruktur (Broadband/Fiber), Elförsäljning (Electricity Sales), and Vatten (Water). The company operates through parent company Karlshamn Energi AB and subsidiaries Karlshamn Energi Elförsäljning AB (electricity sales) and Karlshamn Energi Vatten AB (water). Customer-facing digital products include the Karlshamn Energi App (mobile platform for energy management, smart EV charging, and bathing temperature monitoring), Mina Sidor (web portal), Smart laddning (spot price-optimized EV charging), Badtemp (beach water temperature service), SMS-tjänst (drift notifications), and Tjänsteguiden (broadband/TV service comparison portal). Third-party services include Storegate cloud backup and Kivra digital invoicing.

Differentiator

Problem solved

Functional benefit

Products and services

• Elhandel (Electricity Sales) Electricity supply contracts for residential and business customers with variable monthly price, hourly spot price, fixed price, and 50/50 mix price options.
• Elnät (Electricity Grid) Electricity distribution network infrastructure serving customers in Karlshamn municipality, including connections, outage compensation, and network development.
• Fjärrvärme (District Heating) Centralized district heating service supplying environmentally friendly heating to residential and commercial properties in Karlshamn, Asarum, Mörrum, and Svängsta, serving 50% of local households.
• Bredband/Fiber (Broadband) Fiber optic broadband network offering internet speeds up to 10,000 Mbit/s, with services retailed through third-party ISPs via the Tjänsteguiden.
• Vatten (Water Supply) Municipal water supply and wastewater management, including drinking water production, distribution, wastewater treatment, and connection services for households and businesses.
• Tjänsteguiden (Service Guide) Online comparison portal enabling customers to subscribe to broadband and TV services from third-party providers (Telia, Bahnhof, Tele2, etc.) operating over Karlshamn Energi's fiber network.

Quantifiable outcome

• Serves 50% of households with district heating
• +1 more outcomes

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration5 records

AI capability3 records

Feature4 records

Partnerships

Three partnerships are on record, tiered minor.

• Aarsleff RörteknikminorImplementation/ SI/ Consulting Partner · 14 June 2026Aarsleff Rörteknik performed renovation and cleaning of wastewater and drainage pipes in Mörrum and Karlshamn on behalf of Karlshamn Energi between June 15-26, 2026. This was a contracted infrastructure maintenance project.
• Svea InkassominorOthersSvea Inkasso is Karlshamn Energi's collection partner for handling overdue payments. They have introduced SMS notification services for customers in debt collection proceedings.
• StoregateminorGTM or Marketing PartnerStoregate is a local Karlshamn company offering cloud backup services. Karlshamn Energi offers their customers 3GB free storage as part of the partnership, with Storegate providing the technical service.

Scale indicators3 records

Recent moves5 records

Expansion highlights4 records

Direct peers

• Tekniska Verken i Linköping: Municipally owned multi-utility in Linköping providing electricity grid, district heating, water, fiber broadband, and waste services. Operates with a similar local-monopoly, multi-vertical utility model as Karlshamn Energi.
• Jämtkraft AB: Swedish municipal energy company headquartered in Östersund that operates a similar multi-utility platform (electricity grid, electricity sales, district heating, fiber, and waste services) within a defined regional territory, making it directly comparable to Karlshamn Energi.
• Kraftringen Energi AB: Municipal energy company in the Lund region offering electricity, district heating, cooling, and fiber services. Comparable to Karlshamn Energi as a Swedish municipal utility combining regulated grid operations with multi-service offerings.
• Skellefteå Kraft AB: Swedish municipal energy company in Skellefteå offering electricity grid, electricity sales, district heating, and fiber. Closely parallels Karlshamn Energi's combined regulated grid + multi-service local utility model.
• Borås Energi och Miljö AB: Municipally owned utility in Borås providing electricity, district heating, water, sewage, and waste services. Comparable multi-utility franchise of similar scale and structure to Karlshamn Energi.
• Landskrona Energi AB: Small Swedish municipal energy company providing electricity, district heating, and fiber services within the Landskrona municipality — a strong size and scope match for Karlshamn Energi.
• Öresundskraft AB: Swedish municipal energy company in the Helsingborg/Höganäs area providing electricity grid, electricity sales, district heating, fiber, and water services — a near-identical service mix to Karlshamn Energi in a similarly bounded Swedish municipality.
• HEM Nät AB: Municipally owned energy company in Halmstad delivering electricity, district heating, broadband, and water. Directly comparable to Karlshamn Energi as a regional Swedish multi-utility with grid monopoly and district-heating footprint.

Broad incumbents

• E.ON Sverige AB: Large national energy company in Sweden operating electricity networks, electricity sales, and district heating. Overlaps with Karlshamn Energi's retail electricity and grid service lines at national scale, providing context for competitive and regulatory dynamics.
• Mälarenergi AB: Larger Swedish municipal utility in Västerås providing electricity, district heating, water, and broadband. Same multi-utility template as Karlshamn Energi but operating at meaningfully greater scale and a broader geographic footprint.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks7 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCNYThbiABnFWxdmbDmt3Mew
• Facebookfacebook.com/KarlshamnEnergi

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries3 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 Karlshamn Energi