CONSULTANCY SERVICES WITHIN POWER TRANSMISSION

A high availability in the supply of electrical energy is a precondition to ensuring industrial competitive-ness and to upholding modern society. In the future the produc-tion of electrical energy will be based on investments in renew-able energy. The worldwide recognition of the need to focus on our environment, and the emerging shift in consumer preferences and awareness, requires a national as well as regional infrastructural develop-ment to meet future demands. The transition towards a new reality within the energy sector will require intelligent solutions, implemented at all levels from production all the way to the consumer. In Ramboll, we focus on providing our clients with first class consulting services within this scope. The Ramboll approach We have many years of experience within all sectors of industry, power generation, infrastructure, buildings etc. By this we understand our clients’ needs and are able to supply solutions beyond the scope of high voltage equipment. Utilizing these wide-spread competencies, Ramboll can offer consulting services in projects related to wind power, urban development, transport & infrastructure, grid connection, power generating plants or refurbishment/green field power transmission projects. Within power transmission, our competent team can provide consulting services that are independent of suppliers. Ramboll has a close cooperation with leading European suppliers of main HV components and automation systems. In a close collaboration with our clients, we design and procure all components aiming to achieve the optimal technical design at the lowest possible cost.

Power transmission In power transmission we provide multi-disciplinary services to support our clients with a comprehensive engineering expertise. This provides our clients with a possibility to draw on a wide range of capabilities. The following main capabilities are offered: Offshore substations At Ramboll we have more than 25 years of experience in the offshore sector. We provide solutions covering all aspects of substation design: • Structural design • 3D modeling • Electrical design • Substation automation • Communication and site

supervision

Onshore substations We can deliver turnkey projects working as the Owner’s Engineer. Our comprehensive experience in wind energy enables us to deliver tailor-made solutions: • Civil works • Building design • Electrical design • Substation automation Overhead lines Ramboll has been involved in overhead transmission lines for more than 50 years. Our experience covers structural as well as electrical design: • Environmental assessment • Geotechnical investigations • Tower & foundation design • Life time extension HV cables We have survey and engineering competences for both onshore and offshore cable projects. Our services include among others: • Mapping of seabed surface • Detecting magnetic objects • Cable tracking

Ramboll's services Ramboll typically provides support and consultancy services ranging from EPC level (Owner’s Engineer) to selected engineering tasks. Our clients include utility companies, transmission owners and the power generation sector. We have expert competencies within infrastructure & transport, urban development, wind energy sector, power generation etc.

CONTACT John Ammentorp Head of Department Automation & electrical systems jona@ramboll.com Phone +45 5161 6380 Tim Fischer Vice Director Offshore wind timf@ramboll.com Phone +49 (0)40 30 20 20-132

Selected project references • 330kV/110kV Harku-Lihula-Sindl, Estonia: 160km overhead

transmission line. Complete design. 2011-ongoing. • 150 kV Studstrupværket DONG Energy, Denmark. Refurbishment of

main generator breakers, protection and overheadlines. • 138/69kV CLD substation McCaffery Interests USA, condition

assessment in connection with urban development project • 132kV Westermost Rough substation DONG Wind UK, England.

Topside design including mechanical and electrical installations • 33kV Qorlortorsuaq-Narsaq-Qoqortoq, Greenland: 71km overhead

transmission line. Route selection and detailed design. 2001-2008 • 50/30/10kV Retortvej DONG Energy, Denmark. New cable traces in

connection with new railway infrastructure (Ringstedbanen) • 30/10kV Sydhavnen substation DONG Energy, Denmark.

Replacement of 10kV distribution and electrical installations

Ramboll's geographical power transmission project experience

Outline design/feasibility • Mapping of client requirements • Circuit configuration • Grid code conditions • EIA assessment • Stakeholder analysis • Project plan

Basic design • Earthing system • Single line diagram • Relay coordination • Stability analysis • Load flow • Trace

Detailed design • Technical specifications • Tendering process • Contract negotiations

Manufacturing & construction • Interface handling • Cable list • Follow up on supplier design

Test & commissioning • Factory acceptance tests • Site acceptance test • Training and support • System optimisation • Complete system tests (cold

test) • Energizing subsystems (hot

test) • Handover from supplier

Post construction • System optimisation • Analysis of performance • Lesson learned • Considerations/adaption of

new technologies • Handover to client

Why choose Ramboll for your project?

At Ramboll we uphold a professional project execution through all phases in the project. At Ramboll we offer a proactive interface handling based on knowledge and experience from multiple engineering capabilities. At Ramboll we address the challenges of utilizing continuously evolving technology, At Ramboll we do our best to minimize any impact on local communities or sensitive nature districts. At Ramboll we respect the environmental and social impact when choosing the mast design or planning a trace. At Ramboll we believe that the geotechnical and geophysical services are the foundation of any subsurface project.

Power transmission in Ramboll

Number of specialists: 125

Annual turnover: €50 million

Years of experience: 50

What is power transmission?

Power transmission is by definition to create the infrastructure needed for transporting electrical energy from the point of production to the consumer.

At Ramboll we believe that power transmission is more than that.

We know that behind any project lies complex technical solutions, interface management between contracts or even environmental impact assessments.

For Ramboll, power transmission is in fact supporting our clients by providing first class consultancy in all fields related to the full project scope.