Rīgas Siltums

What Rīgas Siltums does

AS "RĪGAS SILTUMS" is a Riga municipality-linked joint-stock company (Akciju sabiedrība) that produces, transmits, and sells centralized heat energy across the Latvian capital. Operating since its 1995 founding, the company runs five heating substations — Imanta, Daugavgrīva, Ziepniekkalns, Vecmīlgrāvis, and Zasulauks — supported by an extensive district heating pipeline network. Its generation mix combines biomass boilers (wood chips), cogeneration units, large-capacity absorption heat pumps for flue-gas heat recovery, and solar panel installations for self-consumption, with active decarbonization underway. The company holds ISO 50001:2018 energy management certification (since September 2021, recertified 2024) and is implementing ISO 14001:2015 with certification targeted for Q2 2026.

Revenue is generated through publicly regulated heat energy tariffs, primarily serving residential apartment buildings, individual residents, and building managers across Riga. Distribution and customer service are operated directly — via the company website (rs.lv), 24/7 free hotline (800 000 90), and a chancellery in Cēsu iela 3A — with no third-party channel intermediaries. Beyond core heat supply, the company offers energy efficiency consulting, a public interactive Heat Map (via Rīgas Enerģētikas aģentūra), and guidance for multi-apartment building owners on reducing heating costs. Capital investment is heavily co-financed through EU Cohesion Fund programs, including the 2021-2027 cycle under which eight municipal buildings are being connected to the centralized network between July 2025 and June 2026.

Customer-facing digital tools remain limited, but the company has begun a TEST-BEFORE-INVEST pilot deploying NVIDIA AI Cosmos Reason video analytics on NVIDIA DGX Spark infrastructure for internal workplace safety monitoring. The company has also joined the DELNA/Transparency International Latvia "Zero Tolerance Against Corruption" initiative (November 2024) and holds an e-signature-friendly designation, signaling ongoing governance and digitalization initiatives. Strategic direction centers on network modernization, renewable integration, and operational efficiency rather than market expansion or new geographies.

Name

Rīgas Siltums

Legal name

AS "Rīgas Siltums"

Website

https://rs.lv

Company type

Private

Founded year

1995

Operating status

Operating

Headcount range

501–1,000 employees

Short description

AS "RīGAS SILTUMS" is a Riga municipality-linked district heating utility that produces, transmits, and sells centralized heat energy to residential and commercial buildings across the Latvian capital via multiple heating substations, biomass, cogeneration, heat pumps, and solar generation. Founded 1995.

Ownership category

akta.pro rank

Product category

District Heating Services

NAICS

Steam and Air-Conditioning Supply (221330)

SIC

Electric, Gas & Sanitary Services (4900), Cogeneration Services & Small Power Producers (4991)

akta.pro primary industry

District Heating & Cooling Thermal Storage (Network-Integrated TES) (EUAFANAH)

akta.pro secondary industry

Chillers, Boilers & Central Plant Operations (BPABACAG)

Keywords

• District heating services
• Heat energy production
• Thermal energy distribution
• Municipal heating utility
• Heat network infrastructure

Headquarters

HQ city

Riga

HQ country

Latvia

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Distribution channels1 record

Marketing channels2 records

Core offering

AS Rīgas Siltums is a municipal district heating utility that produces, transmits, and distributes centralized heat energy to residential and commercial buildings in Riga, Latvia. It operates multiple heating substations (Imanta, Daugavgrīva, Ziepniekkalns, Vecmīlgrāvis, Zasulauks), an extensive underground heating pipeline network, and increasingly uses biomass, solar, and absorption heat pump technologies to supply heat to its customers.

Product overview

AS RĪGAS SILTUMS is a district heating company that provides centralized heat supply to residential and commercial customers in Riga, Latvia. The company operates a comprehensive infrastructure including multiple heating substations (Imanta, Daugavgrīva, Ziepniekkalns, Vecmīlgrāvis, Zasulauks), an extensive district heating pipeline network, and renewable energy installations. The core offering is heat energy production and distribution through centralized systems, complemented by energy efficiency services, building connection programs, and digital tools like the interactive Heat Map. The company has been modernizing its infrastructure with absorption heat pumps for waste heat recovery, biomass boilers, and solar panel installations to reduce reliance on fossil fuels and improve environmental sustainability.

Differentiator

Problem solved

Functional benefit

Products and services

• Centralized Heat Supply (Centralizētā siltumapgāde) Production and supply of heat energy to residential and commercial buildings in Riga through a centralized district heating network. Sold as a metered utility service to building owners and managers.
• Energy Efficiency Solutions (Energoefektivitāte) Energy efficiency consulting and solutions for multi-apartment buildings, including building renovation programs and financing through LIAA or ALTUM programs. Aimed at building owners and residents looking to reduce heating consumption.
• Apartment Energy Optimization Tools, seminars, video presentations, and decision-making frameworks to help multi-apartment building owners reduce heating costs and improve energy-efficient building management.
• Building Connection to Centralized Heat Supply

Quantifiable outcome

• Absorption heat pump at SC Imanta produces 5,400 MWh heat, saves ~5,000 MWh natural gas, reduces 1,000 tCO2 emissions annually
• +2 more outcomes

Segments2 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability2 records

Feature1 record

Recent moves6 records

Expansion highlights6 records

Direct peers

• Vilniaus Šilumos Tinklai: Lithuania's largest district heating utility serving Vilnius, the Baltic counterpart to Rīgas Siltums. Operates a comparable centralized heat production, transmission, and distribution network with biomass and gas-fired heat sources, addressing the same customer base (residential multi-apartment buildings, municipal, commercial).
• Helen Ltd: Helsinki Energy (Helen) operates Finland's largest district heating network, supplying the Helsinki metropolitan area with combined heat and power. Closely comparable as a Northern European capital-city district heating utility pursuing biomass, heat pump, and carbon-neutral heat strategies.
• Stockholm Exergi: Municipally-owned district heating and cooling utility serving Stockholm. Direct operational parallel to Rīgas Siltums — capital-city municipal district heating with biomass transition, CHP, and ambitious decarbonization targets.

Broad incumbents

• Fortum: Nordic-listed utility with major district heating operations in the Baltic region (incl. Estonia) and broader Northern Europe. Comparable as a large-scale, regulated district heat provider transitioning toward biomass and waste-heat recovery, though operating across multiple geographies rather than a single city.
• Eesti Energia: Estonian state-owned integrated energy company operating district heating in Tallinn alongside power generation. Direct geographic and business model parallel as a Baltic capital-city district heat provider with renewable transition ambitions.
• Dalkia (EDF subsidiary): One of Europe's largest district heating and cooling network operators (France-based, EDF group). Directly comparable business model — centralized heat production, transmission, and distribution to urban customers — at much greater scale and across multiple cities.
• Veolia Energy: Veolia's energy division operates district heating and cooling networks across Central and Eastern Europe. Comparable in business model (network-based heat distribution to urban customers) and in the operational transition toward biomass and renewable heat sources.

Regional players

• Latvenergo: Latvian state-owned electricity generation and supply company, the principal energy counterpart within Latvia. While primarily power-focused, it shares the same municipal/state shareholder environment and energy infrastructure footprint relevant to Rīgas Siltums.
• Elering (or AS Eesti Gaas): Baltic-region energy infrastructure operator, including natural gas distribution relevant to Rīgas Siltums's fuel supply and gas-fired heating assets. Adjacent in the energy supply chain that feeds Rīgas Siltums's central plants.
• Salaspils Siltums: Smaller Latvian municipal district heating operator serving the town of Salaspils near Riga. Comparable as a Latvian municipal district heating utility with similar regulatory, fuel-mix, and customer-base characteristics, though at much smaller scale.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/as-rigas-siltums

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

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 Rīgas Siltums