DH Green Energy just completed the electrical distribution systems design at Petit Ermitage Hotel in West Hollywood and received the Plan Check and Permit approval from the City of West Hollywood without any corrections. DH Green Energy will continue providing Construction and Project Management services for this client.

Pasadena Water and Power

Pasadena Power and Water (PWP) awarded a contract to Kewo Engineering Corp. and DH Green Energy team to redesign, repair, and construction management services for the replacement of Gas Turbine Generator, SCR, and Control systems. The three-year contract will start on October 8, 2019.

Bob Hope Airport Contract

DH Green Energy is selected to provide electrical design and construction services for the airport’s high voltage feeders that provide power to its terminal. 



Now Providing New Services!

DH Green Energy is now providing the following new services:

     Micro-grid Distribution Systems Design

     ETAP Training Services:

           NFPA-70E and IEEE-1584 Compliance 
           Electrical Safety Training
           Analytic Services based on Customer specifications, operating scenarios, and design criteria:
              Load Flow and Load Growth Studies
              Short Circuit and Duty Evaluation
              Arc Flash Analysis
              Updating Arc Flash Labels per NFPA 2015
              Harmonic Analysis and Filter Sizing
              Transient Stability Analysis
              Emergency Backup Power Design
              Underground Cable Thermal Analysis


DH Green Energy provided energy consulting and design services to San Diego International Airport on their new 12-kV Micro-Grid electrical distribution systems, an unprecedented underground distribution system of its kind in the world, permitting the Airport to own and operate its own electric utility system, generating a yearly savings of $6.4 million in energy costs while reducing the Airport’s yearly carbon footprint of “200,000” tons. Aside from our technical expertise, this monumental accomplishment is highly contributed through DH Green Energy’s profound knowledge and experience with federal, state, and local utility regulatory policies and laws, granting us the ability to develop strategies that were advantageous to the Airport.

Microgrid Knowledge Article

Services Provided:sdia

  • Provided Comprehensive Energy Study and Energy Conservation
  • Prepared Strategic Energy Master Plan
  • Developed Conceptual Design of new 12-kV Micro-grid Electrical Distributions Including SCADA systems
  • Prepared RFP to retain 12-kV O&M Contractor (Chula Vista Electric)
  • Meeting and negotiating with SDG&E
  • 12-kV Micro-grid construction support
  • Construction management assistance
  • 12-kv commissioning
  • Provided Preliminary Cogeneration Study
  • Filed application for Power Purchase through Direct Access
  • Filed application with CEC for incentives
  • Utility rate analysis – cost per square foot under new 12-kV System