CALLIO
PROJECT DESCRIPTION
Solarigo Systems Oy was responsible for the implementation of the Pyhäjärvi Callio solar park, with a capacity of 13 MWp.
The solar park built in Callio was part of the overall Callio-Hitura project, of which the Hitura project is still in the feasibility stage. The project, formerly known as Callio-Hitura, which initially explored the construction of a 75 MW solar park, has since been divided into separate Callio and Hitura projects.
The aim of the project is to develop a concept for repurposing decommissioned mining areas for renewable solar power production in the Nordic countries. In addition, a total of 7.5 MW of electricity storage capacity will be built in connection with the parks.
The Ministry of Economic Affairs and Employment has granted the project Next Generation EU funding for its implementation.
The project is being carried out in cooperation with Skarta Energy and Lumme Energia. For the purposes of the project, a project company named Callio-Hitura Solarpark has been established.
STEP
PRODUCTION
LOCATION
PYHÄJÄRVI
13
CAPACITY
PANELS
22 800
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Production started
The Callio solar park was commissioned in June 2025.
9 / 2024
6 / 2025
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PROGRESS OF THE PROJECT
Development
The project began to be prepared in cooperation with the city of Pyhäjärvi, Pyhäsalmi Mine Oy and the Callio Energy Park project in Pyhäjärvi.
The mine tailings lands, which have gone out of use, were identified as the project area. Tailings lands cannot be used for anything other than lightweight structures, for example solar power plants.
01 / 2021
01 / 2021
Design
The exact technical planning of the Callio solar park began in April 2022. In addition, the preparation and approval of the permit processes started.
04 / 2022
04 / 2022
NextGeneration EU
The Ministry of Economic Affairs and Employment supported the project with Next Generations EU support according to the EU's recovery and reciliency plan for the project company Callio-Hitura Solarpark Oy.
12 / 2022
12 / 2022
Building permit for Callio
Callio, more specifically Callio Energy Park I received a building permit in December 2023. In the picture, an illustrative picture of the solar park.
12 / 2023
12 / 2023
Callio's construction
The construction of the foundations of Callio solar power plant began in April 2024 and the panel installation in June 2024.
Solarigo Systems Oy is responsible for the construction of Callio solar power plant.
4 / 2024
4 / 2024
Construction of the expansion section
The construction of the expansion part of Atria Auringo started with earthworks after the soil had been sealed enough in May 2022. Solar panel installation started in August 2022.
05 / 2022
2019
Implementation of the plugin
The 5.0 Megawatt expansion part of Atrian Auring was put into operation in March 2023. As a new technology, double-sided bi-facial solar panels were used in the park.
The extension part was built as a single park complex on the east side of the factory area.
With the expansion, Atria covers approximately 8% of its electricity consumption with emission-free solar electricity.
03 / 2023
2019
Panel installations complete in Callio
The solar panel installations were completed on schedule six months after the construction of the PV plant began.
9 / 2024
9 / 2024
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