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Onshore Oil and Gas

Planning Applications, EIA, Environmental Permitting, Surface Infrastructure Design and construction management

Landfill Gas

Engineering Design, Environmental Permitting, Gas Risk Assessments, Construction Project Management, Construction Quality Assurance

Fast Response Power Generation and Battery Storage

Site Investigations, Planning Applications, Civil Engineering Designs, Environmental Assessments

Wind Energy

Feasibility Studies, Planning, EIA, Design, Construction Project Management, Balance of Plant Contracting, Design and Build

Solar PV

Site Investigation, Planning Application, EIA, Specialist Landfill Installation and mounting solutions, Structural and Civil Engineering Design and Risk Assessments

Energy From Waste

Site Investigation, Planning Applications, EIA, Environmental Permitting, Civil Engineering Design

Anaerobic Digestion

Planning Applications, EIA, Environmental Permitting, Civil Engineering Design

Experienced renewable energy and environmental consultants

Our environmental consultants have extensive experience of the renewable energy and onshore hydrocarbon sectors, supporting clients through our exceptional range of integrated services. From feasibility through to planning, design, and construction engineering, we’re here to ensure you get best value from your investments.

With our own firsthand knowledge, we’re able to take a unique ‘client perspective’ across all project elements. Utilising our vast design, build and technical capabilities, we work with you throughout the entire project lifecycle, from concept and investment propositions through to design, construction, operation and generation.

Environmental support services

Along with our leading environmental consultants, we also have extensive in-house contracting resources to provide balance of plant construction contracts or a combined design and build solution, delivering unprecedented levels of support for developing all types of energy systems and infrastructure.

In addition to our broader range of clients, we have an exemplary track record of providing services for gas and oil clients, covering:

  • Site selection and feasibility studies
  • Conceptual design and master planning
  • General development planning advice
  • Planning applications, screening and scoping opinions
  • Environmental impact assessment and environmental statement production
  • Stakeholder engagement, community consultation and public liaison
  • Representation at public inquiries and planning appeals
  • Environmental permit applications and compliance
  • Civil engineering design, project management and contract administration
  • Site supervision and construction quality assurance

Renewable energy project solutions

We support our clients in the delivery of a variety of renewable energy projects, such as:

  • Waste
  • Biomass
  • Anaerobic digestion
  • Solar PV farms
  • Wind energy
  • Biofuel
  • Geothermal
  • Hydro

Our teams are skilled across all disciplines, with renewable energy and carbon management development services including:

  • Site selection and technology options appraisal
  • Energy assessments for wind and solar developments
  • Financial modelling and feasibility studies
  • Site investigation and geotechnical appraisals
  • Site topographic surveys
  • 3D design, visualisation, animation and photorealistic architectural presentations
  • Planning applications and environmental impact assessments
  • Environmental permit applications, variations, transfers and surrenders
  • Site design, including foundations, civil engineering and structural engineering
  • Contamination assessment and remediation
  • Project management and construction supervision
  • Balance of plant construction contracting
  • Design and build
  • Feed in tariff project advice and development support

This is just a small sample of the many ways in which our consultants and engineers can help you to realise tangible project value – you’ll find more details on our environmental engineering services here.

We look forward to the opportunity to discuss your energy project, and our environemntal consultants are happy to offer advice under no-obligation – contact us now at, or via any of our UK offices

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Our Services

Sirius provides a full range of development services to our clients across several industry sectors.

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Our Energy Clients

Let’s discuss your projects

Whatever stage you’re at, Sirius Group can help!

Send us a quick enquiry or call a local office, offices listed below.

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