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Utility-scale Renewable Energy Technology and Policy Expert

Mr. Raymond Delio is a CEM, CDSM, PMP, and LEED GA utility-scale renewable energy integration expert, with over 20 years of progressive experience in directing large and complex research & development, design & construction, and EPC projects. He currently manages, with P&L responsibility, programs as large as $2.5 Billion, thanks to an enviable track record in delivering – to target – numerous critical and ground-breaking projects.

Current Focus

Through R.P. Delio & Company, he provides full-service program development, financing and delivery consultancy, leveraging upon a breadth of engineering and management experience that spans a wide array of industrial, utility and commercial projects. He has assisted clients in delivering projects in the following markets:

RPDELIO Biography: Current Focus

  • Renewable & clean energy (Solar, cogen, wind, microgrid)
  • Energy efficiency, conservation and demand management services
  • Transmission and distribution (< 115kV)
  • Semiconductor manufacturing ( >45nm )
  • Data centers (Tier 4, 15MW, 100kV, with high renewable energy integration)
  • Medical, food and beverage manufacturing
  • Wastewater treatment and waste-to-energy
  • Specialty chemicals and gases

He has also managed teams right across the US, and reaching around the globe  including in the South Pacific, Ireland, Taiwan, Malaysia, and Costa Rica.

Program Manager, Inter-Island Renewable Energy Network, Hawaiian Electric Company

In his previous role at Hawaiian Electric Company, he focused on the strategy, legislative policy, budgetary decisions and organizational change necessary to deliver the Inter-Island Renewable Energy Network, a program covering the generation, transmission, distribution and smart grid technologies needed meet the state's Renewable Energy Portfolio goal, of 40% before 2030.

This transformational program is a combined undersea and overland 1400+MW utility-scale renewable generation, and transmission, program that has the goal of integrating the separate grid systems that deliver power across the Hawaiian Islands. Ray directed the program team, providing input on policy, proposed legislation, constructibility, validation of design, and construction scheduling, as well as assuring efficiency in the design process.He also looked to the management of scope, so as to support corporate initiatives and meet to State mandates.

Past Achievements

Prior to his work at Hawaiian Electric Company, Ray was Director of Engineering for SunDurance Energy, a Solar PV EPC firm serving industrial and utility clients across the US and Caribbean.

He has also held the position of Program Manager for 'Distribution Network Rehabilitation and Smart Grid', for United Illuminating Company, one of the public utility companies in Connecticut. Over his career, Ray has also played key roles at Bridgewater Associates, CH2M Hill, Intel, Philips, and IBM. 

These include being critically involved in milestone projects, such as the innovative Morris County solar PV program for schools, and the installation of the first biogas co-generation system in Massachusetts.

Wider Interests

Currently Ray has a strong research interest in the challenges of seeding organizational change, through an entrepreneurial approach, for the growing number of organizations seeking to adapt to new millennium's industrial revolution. He is additionally involved a variety of professional organizations and non-profits:

He has been the interim, and founding, president of the Hawaiian Chapter of the Association for Energy Engineers (AEE). This non-profit professional organization aims to provide information and networking in the dynamic fields of energy engineering and management, renewable and alternative power generation, energy sustainability, and related areas.

His proactive approach has seen him involved in projects as diverse as promoting energy conservation among Hawaii's small farmers; assisting with energy auditing curriculum development for a local college; and kick-starting the Department of Education's ambitious Energy Efficiency and Sustainability Master Plan. This innovative program seeks to identify, develop, and act on long-range sustainability, energy efficiency and energy revenue opportunities for the DOE, at all of its schools and premises.

RPDELIO Biography: Past Achievements or Raymond PelioRay has also worked tirelessly to secure funding that would boost the AEE certification for Hawaii's workforce, in order to better serve the state's clean energy transformation. He was nominated as for a 2012 Legend in Energy award at the AEE.

Additionally Ray volunteers with other non-profit organizations, having recently been involved in initiating a Department of Sustainability at the University of Hawaii's Leeward Community College. He has a particular interest in advancing the cause of ensuring access to renewable food and energy for all sectors of society, for the future prosperity of America. As such, he is a founding member of the Center for Sustainable Energy ( – A Hawaii based 501(c)3 charitable non profit who's mission is to empower individuals in need by providing energy alternatives using the power of non profit, the sacrifice of donors, the passion of volunteers and the creativity that comes from community involvement.

This organization believes low-cost energy options for those most in need is good for the community, the economy the environment. Nowhere is this more important than for those living in low-income communities, and none are more in need than those living with the high-utility rates that are associated with island energy markets. The Center For Sustainable Energy’s works collaboratively with communities and local organizations to identify specific needs and to develop renewable energy solutions that are environmentally, socially and economically sustainable.

Away from work, Ray likes to keep active, enjoying surfing and helicopter flying.

Engineering Program Success since 1989