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September 2022 edition of Windpowernl magazine. Theme: Wind Industry Digitalisation.

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Interview

A museum full of mementos

He was also surprised by the amount of materials they still kept at

home. In the end, the will to share proved great. The mementos

Bakker took home varied from thousands of photos and slides of

all types of turbines and of how a farm or turbine was constructed,

to advertising brochures and leaflets showing prototypes that did

not make it. They didn’t have many real gadgets back then,

although he does have a number of unique Polenko and NedWind

pens and folders and a large Newinco flag, he says.

But he does not only owe his collection to former employees. A

while after Vestas acquired NEG Micon, the company wanted to

get rid of NedWind. This put an end to the existence of the

production of NedWind wind turbines. Another company then

took over the maintenance of the operating wind turbines for a

long time. With the removal of the wind turbines later on, that

company also ceased to exist. Bakker managed to take over a lot of

material from that company.

So, what does he ultimately want to do with all this material?

Bakker: ‘Ideally I would love to start a museum. But will there be

anyone visiting? My ultimate goal now is to publish a book with

information, images and stories - to let everyone know: Hey, this

was Polenko/NedWind and we were pretty big!’ Finally, with so

much material, do you still miss anything to add to your collection?

He didn’t have to think long about the answer: ‘I’m looking for

everything!’•

Polenko/NedWind history

To really understand the history of NedWind you have to

go further back in time. It all started in 1976 with the

wind turbine manufacturer Polenko from Rhenen, which

supplied wind turbines with steel blades in the 30 kW

range. There is only one (non-working) example of this in

the Netherlands, high up in the north of Friesland, dating

from 1981. In the end, it never really worked properly.

Bakker recently spoke to someone who made the lattice

mast for it. There are, however, still a few of this type left

in the United States.

Polenko was eventually taken over by TCR, then

Newinco, Hollandia BV, before becoming NedWind.

Under Newinco, they made one of the most popular

wind turbines, says Bakker. They were found in

Herbaijum, between Harlingen and Franeker, and near

Enkhuizen.

During its existence NedWind has brought various wind

turbine models onto the market: including the NedWind

25, 30, 40, 50 and the Pantheon (NedWind 60). Only

one of the latter was built, this one stood on the south

bank near Rotterdam. Almost all wind turbines had two

blades. The NedWind 25s were mainly located around

Amsterdam. The company had four 500 kW red and

white versions of the NedWind 40 installed in Lelypark

Wind Farm in the IJsselmeer near Medemblik. At a

certain moment one blade broke off from one of the

turbines. It was then decided to dismantle all four

turbines. The turbines had been in operation for about

25 years. Bakker: ‘In Noord-Holland there were also a

number of NedWind 35s with something unusual about

them,’ explains Bakker. ‘One half had polyester blades

with a round connection and the other half had a square

connection. This turned out to be a gentleman’s

agreement.’

The NedWind 40 stood throughout the Netherlands.

They are now only found in Greece, India and China, says

Bakker. The most popular of the series were in Palm

Springs, in the United States. However, these were

removed two years ago. Bakker: ‘With this turbine

model, the nacelle, hub and blades were lifted together

and in one go. In 1998, the company fell into the hands

of the Danish company NEG Micon and a piece of pure

Dutch glory came to an end. •

Blue Green

Feather

Publisher & co-organiser of:

ONLINE/OFFLINE NEWS

EVENTS

Do you know anyone who still has items from the

Polenko/NedWind time or has stories to tell about those

days and would like to share them? Or are you

interested in the book? Then send an email to

enrico74bakker@gmail.com. He also collects scale

models of any other wind turbine type. •

A small selection of Enrico Bakker’s collection © E. Bakker

42 | 02-2022

WWW.BLUEGREENFEATHER.COM

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