Open Data Insight of the Day

This report provides a comprehensive overview of the building stock and energy data for the canton of Baselland, covering the period from January 1, 2025, to December 31, 2025. The data is sourced from official records of Baselland's municipalities.

The total number of buildings in the canton is 129,787. Among the communes, Muttenz has the highest number of buildings, totaling 6,992, while Liedertswil has the fewest, with 121 buildings.

The total building surface area across the canton amounts to 1,735.2 hectares. This is equivalent to approximately 2,431 standard soccer fields, given that one soccer field covers 7,140 square meters. Muttenz also leads in terms of building surface area, with 116.7 hectares, whereas Liedertswil has the smallest building surface area, measuring 1.5 hectares.

In terms of energy carriers for heating, gas is the most commonly used energy source, with 23,494 buildings relying on it. Other significant energy carriers include heating oil, used by 23,323 buildings, and generic geothermal energy, utilized by 10,800 buildings. Additionally, 6,989 buildings use district heating, while wood and air are used by 3,145 and 3,061 buildings, respectively. Electricity is the primary energy source for 2,344 buildings, and 1,686 buildings have unspecified energy sources. Other less common energy carriers include geothermal probes, wood pellets, and various forms of wood, among others.

The canton hosts a total of 6,785 photovoltaic installations, with a combined installed power capacity of 122,394.5 kWp. More detailed data can be accessed via the Baselland Data Portal. The top five communes with the most installed photovoltaic capacity are Liestal, Reinach (BL), Muttenz, Allschwil, and Münchenstein, with Münchenstein leading in power capacity at 5,887.1 kWp.

This report has covered all major data points, including total building numbers, surface areas, energy carriers, and photovoltaic statistics, providing a detailed snapshot of the building and energy landscape in Baselland for 2025.