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Design, Build, Operate.

Sustineo, based in San Diego, California specializes in Design+Build project delivery for our clients. We provide services from feasibility studies to construction, including multi-year operations and maintenance agreements. We stay involved with our clients and act as a single point of contact, ensuring the success of our projects from concept to completion. Our strengths are providing flexible and comprehensive approaches to system designs, with unparalleled speed and accuracy.


Our designers are licensed in Civil, Electrical, and Structural engineering and capable of operating in all 50 states. We have LEED accredited professionals who can assist with point review and coordination with architectural teams on green building projects.

Sustineo works with companies large and small to assist with plan review, financial feasibility studies, and plan preparation for submittals to local permitting agencies. Our Certified Energy Managers, Certified Energy Auditors, and Certified Plans Examiners can assist with all aspects of energy and water efficiency audits.

  • Civil Engineering
  • Electrical Engineering
  • Structural Engineering
  • Permitting
  • Third-Party Review


Whether you need a full design+build approach or just construction services, Sustineo operates a flexible business model that self-performs all aspects of a solar, electrical, or general contracting project. We are licensed to contract throughout California. Our design+build process can help lower total project costs and deliver superior results, no matter the project type.

One entity, one contract, one holistic approach, from initial concept to final sign off, ensures less stress for you and your team. Design+build is a dynamic alternative for any company wishing to complete projects more quickly and more accurately.

  • Electrical
  • Civil & Grading
  • Carport Steel
  • Medium Voltage


Your assets require operational knowledge and regularly scheduled maintenance. Who better to trust than a company which prides itself on a holistic approach to creating customers for life? With our in-house staff of electricians, mechanics, and engineers, we can troubleshoot, analyze, test, or swap out equipment at any point of the operational life-cycle.

Preventative maintenance is the key to long term success and optimum efficiency of your assets. Do you have a solar project, building, or electrical system that needs looking after? Give us a call; we can help.

  • Scheduled Maintenance
  • Thermal Imaging Studies
  • Unplanned Maintenance
  • Removal & Retrofits

Sustainable Market Segments


Planning & Feasibility

Engineering, Procurement and Construction

  • Civil grading plans
  • Conditional use permit project descriptions
  • Preliminary designs
  • Electrical low, medium, and high voltage SCADA & data acquisition
  • Structural & Mechanical Designs
  • Construction permitting
  • Construction management and services
  • Licensed CA solar contractor (C46, Lic #992442)

Asset Management

  • Act as Owner’s engineer

  • Provide independent review & validation of system performance

  • Monthly reporting

  • Coordinate recommended O&M needs

  • Review annual performance

  • Aerial drone and thermal imaging (IR Scanning) for fault diagnosis
  • Conduct O&M

Project Development

  • Feasibility study
  • Review existing infrastructure and electrical load land use and permitting requirements
  • PV system modeling and hourly generation profile electrical utility tariff analysis
  • Energy storage evaluation and analysis
  • Monthly and annual energy savings
  • Financial analysis and return on investment capital

Third-Party Commissioning

  • Plan review inspection

  • System acceptance testing

  • IV curve testing

  • Megger resistance testing

  • Performance ratio validation

  • Retro commissioning