Renewable Energy Electrical Engineering Services

Explore our diverse range of electrical engineering services at STLAH Engineering. 

Our services

We offer a comprehensive suite of electrical engineering services designed to meet the unique needs of your projects. Our expertise ensures quality, efficiency, and innovation.

Solar PV Engineering

  • Conceptual and detailed electrical design

  • Single-line diagrams and electrical layouts

  • DC & AC cable sizing and voltage drop calculations

  • Grounding and lightning protection design

  • Energy production modeling (PVsyst, SAM)

  • Permit and IFC design packages

Energy Storage (BESS) Engineering

  • Battery system integration and layouts

  • Protection, grounding, and control design

  • Utility interconnection support

  • Code compliance (NEC, NFPA 855, UL)

  • Performance and constructability reviews

Microgrids & Distributed Energy Resources

  • Microgrid architecture and control concepts

  • DER integration (solar, storage, generators)

  • Reliability and resiliency solutions

  • Utility coordination and interconnection strategy

Substation & Interconnection Engineering

  • Medium and high-voltage substation design

  • Protection and control concepts

  • Utility interconnection applications and studies

  • Review of system impact and facility studies

Electrical Studies & Analysis

  • Load flow studies

  • DC & AC losses calculation
  • Voltage Drop Analysis
  • Short circuit analysis

  • Protective device coordination

  • Grounding system analysis

  • Cable ampacity and thermal studies

Engineering & Technical Advisory

  • Independent design reviews

  • Third-party EOR oversight

  • RFP and bid technical evaluations

  • Value engineering and cost optimization

  • Professional Engineering (P.E.) stamping

Design quality and cost saving

STLAH Engineering solves the biggest problem for our customers: ensuring design quality and providing cost-saving solutions. Our expertise and attention to detail guarantee efficient and reliable electrical engineering services.

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