Natural Energy Laboratory of Hawaii Authority

Natural Energy Laboratory of Hawaii Authority
Vakoby · CC BY-SA 4.0 · source
Name	Natural Energy Laboratory of Hawaii Authority
Caption	Aerial view of the NELHA facility at Keahole Point.
Established	1974
Location	Keahole Point, Hawaii County, Hawaii, United States
Type	State agency
Focus	Ocean thermal energy conversion, Renewable energy, Aquaculture, Desalination
Website	https://nelha.hawaii.gov/

Natural Energy Laboratory of Hawaii Authority. The Natural Energy Laboratory of Hawaii Authority is a state agency and premier ocean science and technology park located at Keahole Point on the Kona coast of the island of Hawaii. Established by the Hawaii State Legislature, it manages a unique facility that pipes deep, cold seawater and warm surface seawater from the Pacific Ocean to support cutting-edge research and commercial operations. This resource enables work in ocean thermal energy conversion, aquaculture, desalination, and various renewable energy technologies, making it a globally significant testbed for sustainable innovation.

History

The laboratory's origins trace to the 1970s energy crises, which spurred interest in ocean thermal energy conversion as a renewable power source. In 1974, the State of Hawaii and the U.S. Department of Energy established the Natural Energy Laboratory of Hawaii to explore this technology. Early pioneering work involved collaborations with entities like Lockheed Martin and the Pacific International Center for High Technology Research. Following the success of a demonstration plant, the state created the Natural Energy Laboratory of Hawaii Authority in 1990 to expand the site's mission. Key milestones include the development of the seawater supply system and its evolution into a multi-tenant technology park attracting global researchers and companies.

Facilities and operations

The core infrastructure consists of two seawater pipelines that draw from distinct ocean depths. A cold seawater pipe extends over 3,000 feet into the Pacific Ocean, bringing up nutrient-rich water from around 2,000 feet deep, while a separate pipe supplies warm surface water. This constant flow is distributed through a network to over 40 tenant facilities on a 870-acre campus. The site includes specialized aquaculture ponds and tanks, laboratories for biotechnology and marine science, and open areas for testing renewable energy systems like solar power and wind power. The unique conditions also support the National Oceanic and Atmospheric Administration's Pacific Marine Environmental Laboratory instrumentation.

Research and development

Research at the authority spans multiple disciplines centered on its unique seawater resources. A primary focus remains advancing ocean thermal energy conversion technology for baseload electricity generation and desalination. The cold seawater is extensively used for aquaculture of high-value species such as abalone, kampachi, and microalgae, as well as for cryogenics and data center cooling. Other significant projects involve cultivating spirulina, developing biofuel from algae, studying coral reef restoration, and testing novel desalination membranes. Tenants like Makai Ocean Engineering and Cellana conduct ongoing experiments that contribute to global sustainable development goals.

Economic and environmental impact

The authority serves as a significant economic driver for the Big Island, supporting over 200 jobs and attracting private investment from international companies. Its commercial tenants produce millions of dollars in annual sales of seafood, dietary supplements, and cosmetics. Environmentally, the research promotes renewable energy and resource-efficient food production, aligning with Hawaii's goals for energy independence and carbon neutrality. Operations are designed with sustainability in mind, including the use of solar power and the recirculation of seawater. The facility also provides ideal conditions for monitoring climate change effects on ocean chemistry through partnerships with the University of Hawaii.

Governance and partnerships

The authority is governed by a board of directors appointed by the Governor of Hawaii and confirmed by the Hawaii State Senate. Day-to-day management is handled by an executive director and staff. It maintains critical partnerships with federal agencies like the U.S. Department of Energy and the National Oceanic and Atmospheric Administration, as well as with research institutions including the University of Hawaii and the Hawaii Community College system. International collaborations with entities such as Japan's Xenesys Inc. and the Republic of Korea further its global research network, fostering innovation in blue economy sectors.

Category:Research institutes in Hawaii Category:State agencies of Hawaii Category:Ocean thermal energy conversion Category:Buildings and structures in Hawaii County, Hawaii