Rigas Siltums

AS Rīgas Siltums (often written Rigas Siltums) is the district-heating company serving Riga, Latvia. It operates the city's heat network, producing and distributing thermal energy for space heating and hot water to households, businesses and public buildings across the capital. Its public-facing brand is built around the reliability of the network, the transparency of heat tariffs, and increasingly around energy efficiency and smart-network technology. The company presents itself as a modern utility: its website offers customers a damage-reporting channel, a map of ongoing repair works, technical rules, excavation permits, procurement notices and career information, alongside current heat tariffs. In September 2026 the company announced that Riga was ready for the heating season but that a tariff increase was expected because of the high cost of energy resources. It also reported receiving an ISO 14001:2015 environmental management certificate and published an unaudited financial report for the nine-month period ending 30 June 2026, noting rising heat-energy demand and continued investment in network development and smart technologies. As a heat supplier in a market where district heating is the dominant form of urban heating, Rīgas Siltums is a significant piece of Latvia's energy infrastructure. Its operations are closely tied to municipal and national energy policy, to fuel and energy-resource prices, and to the long-term modernisation of Riga's underground heat pipelines. The company's communications emphasise investment in the network, environmental management and the digitalisation of its services.

AS Rīgas Siltums is the district-heating utility of Riga, Latvia. It operates the capital's heat network, supplying thermal energy for heating and hot water to residential, commercial and public customers. The company is organised as a joint-stock company (akciju sabiedrība, AS), a legal form typical of Latvian municipal utilities. Its public communications describe a utility in the middle of a modernisation programme. In September 2026 the company reported that Riga was ready for the heating season, while warning that a tariff increase was expected because of the high cost of energy resources. In the same month it announced that it had received an ISO 14001:2015 environmental management certificate, signalling a formal commitment to environmental management in its operations. It also published an unaudited financial report for the nine-month period ending 30 June 2026, stating that heat-energy demand had increased and that it continued to invest in network development and smart technologies. The company's website functions as both a customer-service portal and a transparency tool. It provides a damage-reporting form, a map of current repair works, heat tariffs, procurement and auction notices, technical rules, excavation-permit procedures, forms, career opportunities and energy-efficiency information. A featured project shown on the site is the modernisation of heat pipelines in Old Riga, at Doma laukums. Because district heating is the dominant urban heating model in Riga, Rīgas Siltums sits at the intersection of municipal service delivery, national energy policy and fuel-price risk. Its history since the 2020s has been shaped by the need to upgrade ageing Soviet-era network assets, to integrate smart metering and network-management technology, and to manage the cost of energy resources that feed its heat production.

• Publishes unaudited financial report for the nine months ending 30 June 2026, noting increased heat-energy demand and continued investment in network development and smart technologies.

• Receives ISO 14001:2015 environmental management certificate.

• Announces that Riga is ready for the heating season, but that a tariff increase is expected due to high energy-resource costs.

Municipal district-heating utility focused on reliable heat supply, transparent tariffs, energy efficiency and smart-network modernisation.

• District heating (heat energy)

  Supply of thermal energy for space heating and hot water through the Riga district-heating network.

1. 1AS "Rīgas Siltums" official websiters.lv