For a Better Boating Experience

Choose electric propulsion


From propeller to shore power cable

With GreenStar electric propulsion, you get an efficient inboard driveline with minimal maintenance and running costs. GreenStar’s complete electric motor system offers a silent energy source dimensioned to deliver maximum power and operating time.

How do you switch to an electric inboard?

It’s easy and we’ll help you! Read about how to dimension the propeller, motor and battery pack. Here you get answers to how it works and what you need to think about.

Limited opening hours during the summer

During weeks 26 - 33 (June 27 - August 12), we only handle urgent matters, and as fast as we can. Week 29 (18 - 22 July) we are closed, and other weeks you reach us via e-mail We wish you a pleasant boating summer and holiday! //Team GSM...

Industrialization & commercialization

A newsletter from GSM Electric AB (publ) After the new share issue in September last year, the board has been very clear: prepare for industrialization and outsource the main part of the production instead of it taking place in-house. Furthermore, we prepare to market...

Tiger and Julia are gearing up for sailing around the world with an adventure boat with electric propulsion

Idun is being renovated and is preparing for a world tour, or at least a trip to the Caribbean. When the old diesel engine is replaced with electric power from GreenStar Marine, extra storage space is freed up. Interview on TV4, 2 May 2021 (Swedish)

GSM Electric conducts a rights issue

We plan for an increased market presence Electric propulsion for boats has been developed and marketed under the brand GreenStar Marine for over 20 years. The founders were early on with the idea of converting diesel-powered boats to electric ones, perhaps they were a...

GSM Electric participates with investor presentation at ProHearings September 16 On Thursday, September 16, CFO Staffan Wogenius participated in ProHearings, for an investor presentation with time for moderated questions after the presentation (Swedish). 38 minutes.

The boat industry in transition when the electric motor sails up as the great hope for the environment

All transport, both on land and at sea, is now undergoing a major change to minimize negative impact on the environment. Boating will change in the same way as motoring, but there is one big difference; a boat changes its engine two to three times during its lifetime.

Our systems


EB-Line: Our basic system

EB-Line is specially designed for you who want to do the job yourself and convert your boat with electric propulsion. In its basic performance, the EB-Line is designed to give you that freedom.

EC-Line: All-inclusive

Has the same engine as EB-Line, and with everything included. For you who are looking for a complete system from the propeller to the charging connection.

P-Line: P for Performance

Has the same electrical architecture as the EC-Line, with a more powerful and advanced motor.

STAR cloud connection

EC- and P-Line come with a connection that means increased security and control over the electric propulsion.