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Contact us

You are always welcome to contact STRI by phone, e-mail or mail.

Find STRI´s office in Ludvika



+46 240 795 00

Monday through Friday: 08:00 – 16:00.
Closed for lunch 12:00 – 13:00.


Test inquires / Request for quotations:

Media and other communication:


Postal address

Hitachi Energy Sweden AB, STRI
Box 707

Visiting address

Lyviksvägen 8

Delivery address

Torg 63
Lyviksvägen 8

STRI office in Ludvika

You can travel to STRI in Ludvika by car or train from Arlanda airport outside Stockholm. Depending on available flights, it may be more convieniant, to fly to Dala Airport in Borlänge (40 km north of Ludvika) or Västerås airport (100 km south of Ludvika), travelling on to Ludvika by taxi or rental car.

(GPS: +60° 8′ 50.36″, +15° 10′ 14.32″)

There is ample parking for visitors outside STRI’s head office and high voltage laboratory in Ludvika, which is located on the banks of Lake Väsman.

If you are travelling by car from Västerås we recommend that you follow Bergslagsgatan/Route 50 towards Kajvägen, and then turn towards Lyviksvägen. Turn into Lyviksvägen and you continue on toward the lake and STRI’s offices at Lyviksvägen 8.

STRI’s head office and laboratory are located close to ABB’s complex, and only a short walk from Ludvika station (circa. 1.4 km, approx 10 minutes). From Ludvika station take the lift up to the bridge over the railway. Turn right so that you can see the lake in front of you. Continue towards the lake. Go down the steps. You will see a cycle path. Turn left and follow the cycle path along the side of the lake until you see STRI’s offices on the left hand side. Take a left turn and walk across the large tarmacked area to STRI’s head office and entrance.

From Borlänge

45.3 km – approx. 45 min by car

From Västerås

111 km – approx. 1 h 40 min by car

From Örebro

116 km – approx. 1 h 50 min by car


STRI’s head office is located in Ludvika, 200 km north-west of Stockholm, situated by Lake Väsman.