DIMO, the partner of Siemens for over 50 years specializes in engineering and project management for power transmission, power distribution, renewable power plants and industrial power solutions. By focusing on specific industry needs, we offer cost effective designs tailored to meet the demand with excellent quality and reliable solutions. DIMO also offers a full range of services through-out the product’s lifecycle.


DIMO is dedicated to providing a premier line of reliable and integrated power solutions customized for a broad range of market segments manufactured under the following brands.

Products & Solutions

We have been adding value to the best engineered brands since 1939.


Click on the view all solutions button to see the list of solutions provided by DIMO.


Click on the view all products button to see the list of products provided by DIMO.



DIMO offers Electrical System Services as per international standards using the latest technologies available. With a fully equipped experienced service team, we assist you to cut down costs, increase productivity and quality by maintaining an uninterrupted reliable electrical system at you premises or project site.

Services offered
  • Testing and commissioning and maintenance of:
    • Oil immersed transformers including Oil Testing and Filtrations
    • Dry type transformers
    • HV & MV outdoor switchgear
    • HV & MV indoor Switchgear (AIS, GIS, RMUs,etc)
    • HV and MV cables
    • Grounding systems
  • Contact Resistance Measurements
  • Protection relay testing including protection co-ordination calculations and programming
  • Thermal Imaging solutions

In addition to the above, we offer service and maintenance service contracts tailored to your requirements to ensure that you receive the best possible usage of all Siemens products and systems that we have implemented.


The rise in Sri Lanka’s population, infrastructure and general needs of the people demands reliable and sustainable sources of energy. This has been duly recognized by the Government and businesses across the island. Over the years, DIMO has evolved consistently to fulfill the growing needs of our nation.

From small businesses to large scale infrastructure ventures, DIMO acts as a single-window solutions provider going beyond the conventional norm thereby delivering total solutions and services along with our world-class products.

Havelock City Clubhouse

Stadium Lighting

Substation in Chunnakam

Thermal Power Station


The opening of "ALEX" DIMO, the latest Agri Techno Park of DIMO, took place today at Lindula, Talawakele.
DIMO recently launched its first ever e-commerce platform for Retail. The launch of the website and the first online transaction
As a response to the theme "Time for nature" our DIMO Tribe members shared their efforts in home gardening of
DIMO Agri Machinery division conducted a product training on LOVOL harvesters for its Sales team recently at DIMO Logistics centre,

Contact Us

For Power Solutions related queries please contact

Deputy General Manager

Mr. Nalaka Kularatne

Senior Manager – Engineering Solutions (MV & HV)

Mr. Dasun Arandarage

Senior Manager – Projects (LV)

Mr. Sarfraz Slasa

General Telephone

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