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Volter 40 Indoor

Fuel: Woodchips Electric power: 40 kW Heating power: 100 + 20 kW


Volter 40 Indoor is a CHP system that produces enough electricity and heat for the annual needs of a farm, an entire small housing estate or small business. Our CHP’s can be scaled up to multi-unit installations to meet the needs of growing energy demand across diverse applications. Electricity is produced by gasifying biomass in the form of wood chips. Waste heat from the process can be used in agriculture or industrial processes, hydronic underfloor heating, preheating of air-conditioning or domestic water, to name a few.


Timelapse of plant construction




Electric power
Heating power as warm water
Heating power as warm air

Length: 4,8 m Width: 1,2 m Height: 2,5 m Mass: 4,5 tn Colours: white, gray, green Structure: steel frame, sheet metal covers with thermal insulation and soundproofing Installation: on a concrete base, indoors Fuel feeding: external spring agitator and chain conveyor Fuel consumption: ca. 4.5 loose cubic meters/24 h Automation: Schneider Electric programmable logic; GSM alarms, remote internet control Connection requirements: electricity cable, heat piping (cold in, warm out), internet connection, GSM connection Fuel: Wood chips


Our innovation enables efficient electricity and heat production using your local wood resources. The gasifier is superheating the woodchips into wood gas, which is a fuel for an internal combustion engine that runs the generator and produces electricity. The process also generates heat that can be used for different heating and drying purposes.

More about technology


Volter CHP systems have an automation system that continually measures on-going activities and allows the CHP automatically adjust operations according to the changes. From the touchscreen, you can effortlessly follow the processes of your CHP.

Volter brings monitoring and controlling of the CHP to the comfort of your home. You can easily remote control the CHP from a computer and mobile devices. Thanks to the safe, fast and advanced automation system, also the technical support and upgrades are always easily accessible.


NOxBUSTER® is an accessory part for Volter 40 Indoor CHPs. It provides an efficient and reliable system for emission reduction. With this SCR technology-based solution, NOx emissions can be reduced up to 80 % and CO emissions up to 90 %.

More about NOxBuster SCR System


Volter Space takes the energy production into the IoT world. You will have access to a cloud service, where all the plant parameters and sensor data are stored.

More about Volter Space

Installation and delivery

We have designed the Volter CHP system for indoor installation and to be scaled to multiple units on one site. Volter 40 CHP is delivered factory tested and ready for use. Customer or customer representative is trained by Volter at the power plant deployment phase.

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