Energy Development Services

Technical Specialties

DEA offers a full range of energy development services for traditional and renewable projects. Our team is staffed with technical and professional experts to address the needs of all project phases and deliver successful projects. We are an experienced group of individuals who work closely together to deliver projects from regulatory approvals through design and permitting to construction and operation.

Preconstruction Services

Survey and Land Acquisition

  • 3D High Definition Laser Scanning (HDS)
  • Aerial mapping/photography
  • ALTA surveys
  • Boundary/cadastral surveys
  • Control surveys
  • Encumbrance mapping
  • Geographic Information Systems (GIS) mapping
  • Global Positioning Systems (GPS)
  • Water Crossing and Hydrographic surveys
  • Legal descriptions and plat maps
  • Mapping preparation/compliance
  • Monumentation perpetuation
  • Records of survey
  • Right-of-way engineering/mapping
  • Title research
  • Topographic/design surveys

Siting and Permitting

  • Environmental impact statement
  • Environmental fatal flaw analysis
  • Environmental assessment
  • NPDES permitting/SWPPP preparation
  • High-quality map production for permitting
  • Public outreach
  • High quality graphics for public involvement
  • Landscape design
  • Animal/bird protection studies
  • Visual impact studies
  • Pipeline anomaly and cathodic protection
  • Pipeline replacement

Preconstruction Engineering

  • Civil, structural, and electrical engineering
  • Balance of Plant engineering program management
  • Design visualization and modeling (3D/4D)
  • Grading design
  • Site layout/laydown design
  • Water/wastewater engineering
  • Drainage and hydrology services
  • Roadway design
  • Traffic engineering
  • Water Quality Management Plans (WQMPs)
  • Cost estimates, QTO, and bid support
  • Substation design
  • Oil containment protection and control
  • Spill Prevention Control and Countermeasure (SPCC)
  • Major equipment specifications
  • Bills of material
  • Material requisitions

Development Services


  • Site feasibility and due diligence analysis
  • Site selection and feasibility studies
  • Environmental studies and permitting
  • Geographic Information Systems (GIS) mapping
  • 3D/4D visualizations
  • Endangered Species Act (ESA) consultations
  • NEPA/SEPA/CEQA documentation
  • Impact analysis


  • Wind potential analysis, planning and optimal site selection
  • Infrastructure siting and mapping
  • Geographic Information Systems (GIS) mapping
  • Civil feasibility
  • Site selection and permitting
  • Preliminary design layouts and reports
  • Civil, structural, and electrical engineering
  • Equipment and material specification and procurement
  • Zoning and entitlements
  • Grading design
  • Site layout/laydown design
  • Drainage and hydrology
  • Water Quality Management Plans (WQMPs)
  • Transportation planning and traffic engineering
  • Transportation studies
  • Roadway design
  • Cost estimates


  • Comprehensive survey and mapping services
  • Land and corridor surveys
  • 3D mapping and visualization (terrain and facility)
  • Mobile scanning, photogrammetry, and LiDAR
  • GeoAutomation

Construction Services

  • BOP engineering program management
  • GeoAutomation (3D Imaging System)
  • Construction surveys
  • Construction scheduling
  • Bid proposal solicitations
  • Construction inspection
  • Construction observation
  • Quality assurance
  • Field coordination
  • Contract administration and accounting
  • As-builts and inspection
  • Environmental compliance