InnoVentum Wooden Towers
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DALI XII DALIFANT XX UNIQUE WOODEN TOWERS

Our innovative line of wooden towers is being developed to fit all of our wind turbines. Replacing standard steel towers with wooden ones greatly reduces the carbon footprint of our products. Wooden towers are stronger and lighter than steel towers making them easier to erect and more environmentally friendly to transport. Furthermore, while steel towers typically magnify vibrations, the natural fibers in wooden towers reduce InnoVentum wooden towers are the result of long-term collaboration with leading universities in Sweden and France in the field of wooden construction. The focus has...

Installed Base Validated through a growing international installed base: currently 15 installations across Sweden, France, Holland and the Philippines performed in 2011-2015 Sweden Holland

Installation Examples

Dali XII Mörbylånga, Sweden Dali XII Rotterdam, Holland

Dali XII Senoren, Sweden Rooftop installation, Dali VII Karlskrona, Sweden

Dali XII Borgholm, Sweden Dali XII Gassin, France

Dali XVI and Dali XII Installations Mörbylånga, Sweden

Dali XVI and Dali XII Installations, Mörbylånga, Sweden

Development of Our Wooden Towers More than 6000 engineering hours were put in the development of InnoVentum wooden towers. All models were tested in 0 scale prototypes for design The Dali XII tower was tested full scale in-house for the measurement of all critical parameters and the initial patent The Dali XII tower was further tested on site. After 12 months of testing, a second generation of the Dali XII was developed resulting in an international patent application early 2012. Since then there were multiple installations performed across several countries with excellent results. We have...

Dali XII: Tower Specifications Design wind gust Safety Factor Wooden Frame Height Metal Tower Height Tower Footprint Generator Weight Expected Lifetime I, II & III wind turbine according to BS EN 61400-2:2006 Performed according to Eurocode 5 All calculations are performed in security class 2, wind loads at a field category 0 (sea border) and an durability class 4a (outdoor). 10 m for downwind generator / I 1,5 m for upwind generator 1,5 m is needed for downwind type generator Triangular (2,5 m each side), 2,83 m2 Designed to support max 200 kg generator Visual inspection of the wood,...

The Dali XII wooden tower allows for safe and efficient annually in addition to the wind turbine energy production. Wind and solar power night, summer - winter) providing green energy day and night, all year round. - calculated at the latitude of Malmo

Dalifant XX: Tower Specifications Design wind gust Safety Factor Wooden Frame Height Metal Tower Height Tower Footprint Generator Weight Expected Lifetime I, II & III wind turbine according to BS EN 61400-2:2006 Performed according to Eurocode 5 All calculations are performed in security class 2, wind loads at a field category 0 (sea border) and an durability class 4a (outdoor). Octagonal (1,46 m each side), 10,3 m2 Designed to support max 2 000 kg generator Visual inspection of the wood, tightening nuts every second year Material properties Wood strength class C24 (refer to EN 338 for...

Proposition in the Market Use of wood results in a number of

Practical Benefits

Modularity of Dali XII Volume of wood of Dali XII: 1,2 m Modules no longer than 2 m The “tower kit” is stackable and can be transported on a trailer and stored easily

DIY is Possible The Dali XII tower can be assembled in just a few hours

Possibility to Erect Dali XII without a Crane using electric or manual winches

Foundation brought to a new leve The novel screw foundation revolutionizes the FAST: installed in hours instead of weeks for a standard concrete foundation. GREEN: for the Dali XII, it causes 7 times less CO2 emission than a concrete foundation, allows for significant water saving (more than 380 litres!) and requires no soil movement. UNIQUE: The screw foundation is only possible because of our multi-leg designs and is not applicable to a steel tubular tower. It is the foundation of choice for both tower designs:

Smaller Concrete Foundation However, if it is necessary to use a concrete foundation, our tower solutions require considerably less (2 and more times less) concrete than a steel tubular tower. turbine requires: > 7 m3 for a steel tubular tower installation Same proportion is valid for the Dalifant XX

Timber used for InnoVentum's wooden towers is proven to reduce noise of small wind turbine installations. Since the velocity of sound waves in wood is low, wood is one of the best sound insulators. While a conventional stand-alone steel tower amplifies the noise through a hollow tube construction, the Dali and Dalifant multi-leg wooden towers absorb this vibration, making the operation of the turbine much more silent. Wood under the microscope:

Our towers are designed to sustains wind gusts of up to 60 m/s and their expected lifetime is The in-house maximum load test at the Lund Technical University with 20+ years of experience Installation at one of the windiest spots on the windiest island in Sweden - Oland - withstood several storms over

Aesthetic Benefits

Design Focus and Art Connection InnoVentum creates towers that allow to bring small wind turbine installations to a totally new aesthetic level From “Not in My Back Yard” thinking to “Give My Garden a Twist!” by installing a small wind turbine

Even our largest towers are unobtrusive for the landscape Dalifant installation compared to a large-scale wind turbine:

Environmental Benefits

Wood & CO2 Wood has the unique ability to capture and store CO2 while reducing carbon sources. There are 2 ways to reduce CO2 in the atmosphere:   reduce emissions or “carbon sources”   remove CO2 and store it - increasing “carbon sinks” Wood has the unique ability to do both. Each cubic metre of wood saves a total of 2 tons of CO2. Every cubic metre of wood used as a substitute for other building materials reduces CO2 emissions by an average of 1,1 ton CO2. If this is added to the 0,9 ton of CO2 stored in wood, we get a total of 2 tons CO2 Source: Tackle climate change, USE WOOD