Ocean Power Technologies

Ocean Power Technologies (OPT) is a U.S. renewable-energy and marine-technology company focused on supplying power and communications to offshore and remote maritime applications. Established in 1984 and headquartered in Monroe Township, New Jersey, the company is best known for its PowerBuoy wave-energy-conversion platform. The system uses an ocean-going buoy and submerged mechanical and electrical equipment to capture energy from wave motion and convert it into usable electricity. In principle, arrays of PowerBuoys could be scaled for utility generation and connected to shore through submarine cables, although the economics, permitting requirements, engineering complexity, and harsh marine environment have made large commercial wave-energy projects difficult to realize. OPT initially pursued both utility-scale wave farms and smaller autonomous applications. Its project portfolio included proposed or demonstrated installations in the United States, Spain, the United Kingdom, Australia, Scotland, and Hawaii. These initiatives involved government agencies, utilities, engineering organizations, defense customers, and commercial partners. The company’s better-known projects included ocean testing near Oahu, Hawaii; a proposed wave park near Reedsport, Oregon; the Santoña wave-energy development in Spain; and the Victorian Wave Partners project near Portland, Victoria, Australia. Several of these initiatives were delayed, suspended, or judged commercially impractical. The Australian project, developed with Lockheed Martin during the 2012–2014 period, was ultimately not considered commercially viable, contributing to a strategic shift away from relying primarily on large grid-connected wave farms. Following that shift, OPT emphasized nearer-term markets in which modest quantities of dependable offshore power can have substantial value. These include maritime security and surveillance, offshore oil and gas operations, aquaculture, oceanographic data collection, communications, and other subsea or surface equipment deployed beyond conventional utility infrastructure. Its autonomous PowerBuoy products are designed for lower-power applications, with product ratings described in the 2-kilowatt-to-40-kilowatt range. The company also developed the LEAP Autonomous PowerBuoy for the U.S. Navy’s Littoral Expeditionary Autonomous PowerBuoy program and operated a system off New Jersey for coastal-security and maritime-surveillance purposes. OPT’s offering has expanded beyond wave-energy converters. The Hybrid PowerBuoy combines solar generation, lithium iron phosphate battery storage, and a liquid-propane backup engine, allowing operation where wave motion alone is insufficient. The Subsea Battery is a submerged energy-storage unit intended to power subsea payloads, with a stated nominal capacity of 132 kilowatt-hours and peak power delivery of up to 15 kilowatts. The Undersea Substation Pod is designed to aggregate electricity from as many as ten offshore generation devices, including wave and wind systems, and provide a common interface for transmission to shore or for supplying power to offshore equipment. OPT also describes infrastructure and services involving cable installation, grid interconnection, permitting, and site development. The company operates through its U.S. business and international subsidiaries, including Ocean Power Technologies Australasia Pty Ltd and Ocean Power Technologies Limited in the United Kingdom. Ocean Power Technologies is publicly traded on NYSE American under the ticker OPTT. Its brand positioning combines renewable ocean-energy technology with practical offshore power, communications, and monitoring services. The company’s history illustrates the broader challenge facing wave power: large-scale grid projects offer significant theoretical potential, but remote autonomous deployments can provide a more immediately valuable commercial use case.

Ocean Power Technologies was established in 1984 in the United States to develop systems capable of converting ocean-wave motion into useful electrical power. Its central technology became the PowerBuoy, an ocean-going buoy designed to respond to waves and drive an electrical-generation system. The concept offered two possible markets: utility-scale electricity generation through arrays of buoys connected to shore, and smaller autonomous systems for equipment operating far from conventional electrical infrastructure. During its development history, OPT tested and demonstrated wave-energy equipment in several locations. Prototype principles were demonstrated off Atlantic City, New Jersey, and later incorporated into systems tested at Kaneohe Bay near the U.S. Marine Corps Base Hawaii. The Hawaii program, conducted from 2009 to 2011, included ocean testing and demonstration work connected with the U.S. Navy and considered the possibility of grid connection. In 2011, OPT also participated in the deployment of a wave-power buoy in Scotland with regional maritime and port organizations. The company pursued international commercial and demonstration opportunities during the 2000s and 2010s. In Spain, OPT formed a joint venture in 2006 with Iberdrola, Total, the Spanish Institute for Energy Savings and Efficiency, and the regional development agency SODERCAN to pursue a wave farm near Santoña. OPT also sought to develop a presence at Wave Hub in Cornwall, England, a proposed offshore testing and demonstration facility for wave-energy arrays. In Australia, Ocean Power Technologies Australasia participated in Victorian Wave Partners, which pursued a proposed 19-megawatt wave-power station near Portland, Victoria, and received an offer of federal grant support. In the United States, OPT proposed a utility-scale wave park at Coos Bay, Oregon, with a potential planned size of up to 100 megawatts. It also developed the Reedsport project, located offshore near the Oregon coast, with an initial plan for ten PB150 units totaling 1.5 megawatts. Legal and technical problems later brought that development to a halt. These projects demonstrated both the potential scale of OPT's technology and the practical obstacles facing wave power, including marine construction, grid connection, environmental permitting, project finance, reliability, and the cost of maintaining equipment in severe ocean conditions. A particularly significant strategic episode involved a large Australian project pursued with Lockheed Martin from 2012 through 2014. The partners concluded that the project was not commercially viable. Rather than depending principally on large theoretical wave farms, OPT increasingly emphasized autonomous and remote offshore markets where a relatively small amount of reliable power can replace expensive vessel visits, subsea cables, generators, or battery logistics. These markets included maritime security, homeland defense, offshore oil and gas, aquaculture, oceanographic sampling, and communications. OPT's product portfolio consequently broadened. The PowerBuoy remained its primary wave-energy platform, including systems for grid-connected utility concepts and lower-power autonomous deployments. The LEAP Autonomous PowerBuoy was developed for a U.S. Navy coastal-security and surveillance program. OPT also introduced the Hybrid PowerBuoy, which uses solar panels and lithium iron phosphate batteries, with a liquid-propane engine for backup. Its Subsea Battery provides submerged energy storage for subsea payloads, while the Undersea Substation Pod is intended to collect power from multiple offshore generation devices and provide a shared connection to shore or to offshore loads. The company has operated internationally through subsidiaries including Ocean Power Technologies Australasia Pty Ltd and Ocean Power Technologies Limited in the United Kingdom. Its evolution from a primarily utility-scale wave-energy developer toward a supplier of autonomous offshore power, communications, storage, and infrastructure reflects the commercial realities of marine renewable energy. Ocean Power Technologies remains a publicly traded U.S. company, listed on NYSE American under the symbol OPTT.

• 2014

  Strategy shifts toward remote offshore applications

  [1]Ocean Power Technologiesen.wikipedia.org

  After the Australian project was found not to be commercially viable, OPT shifted greater emphasis toward autonomous power and communications for remote offshore sites.

• 2013

  Reedsport project stalls

  [1]Ocean Power Technologiesen.wikipedia.org

  The proposed Reedsport, Oregon, wave park encountered legal and technical problems and was reported to have halted.

• 2012

  Australian project pursued with Lockheed Martin

  [1]Ocean Power Technologiesen.wikipedia.org

  OPT and Lockheed Martin worked on a large Australian PowerBuoy initiative intended to advance commercial wave-energy deployment.

• 2011

  Scotland buoy deployment

  [1]Ocean Power Technologiesen.wikipedia.org

  A wave-power buoy was deployed in Scotland through a collaboration involving OPT, maritime-service companies, and the Cromarty Firth Port Authority.

• 2009

  Hawaii ocean-testing program begins

  [1]Ocean Power Technologiesen.wikipedia.org

  OPT began ocean testing of its wave-power system near Kaneohe Bay, Hawaii, under a program involving the U.S. Navy.

• 2006

  Santoña wave-farm joint venture formed

  [1]Ocean Power Technologiesen.wikipedia.org

  OPT formed a joint venture with Iberdrola, Total, Spanish public-sector energy organizations, and a regional development agency to pursue a wave farm near Santoña, Spain.

• 1984

  Company established

  [1]Ocean Power Technologiesen.wikipedia.org

  Ocean Power Technologies was founded in the United States to develop ocean-wave energy conversion and related marine power technologies.

A marine-energy and offshore-technology company focused on practical, autonomous, and infrastructure-oriented power and communications solutions for remote ocean applications, while retaining utility-scale wave-energy capabilities.

• Wave-energy conversion system

  PowerBuoy

  PowerBuoy is OPT's principal wave-energy platform. An ocean-going buoy responds to wave motion and converts that mechanical movement into electrical power. The technology has been proposed for both grid-connected arrays and autonomous offshore installations. Utility concepts such as the Mark 3 PowerBuoy target larger-scale generation, while smaller units are intended to power marine sensors, communications equipment, surveillance systems, and other remote loads.

• Grid-connected wave-energy device

  Mark 3 PowerBuoy

  The Mark 3 PowerBuoy is identified as OPT's device for the grid-connected utility market. It represents the company's effort to create a scalable wave-energy unit that could operate in arrays and send electricity to land through subsea transmission infrastructure. Commercial deployment depends on project economics, marine engineering, permitting, and grid-interconnection conditions.

• Defense and maritime-surveillance power system

  LEAP Autonomous PowerBuoy

  LEAP Autonomous PowerBuoy is an autonomous offshore power platform developed under the U.S. Navy's Littoral Expeditionary Autonomous PowerBuoy program. OPT operated a system off New Jersey for coastal-security and maritime-surveillance purposes. The product is intended for applications where persistent power and communications are needed without routine shore connections or frequent support visits.

• Hybrid offshore power system

  Hybrid PowerBuoy

  The Hybrid PowerBuoy is designed to operate independently of wave motion. It uses a solar-panel array to charge onboard lithium iron phosphate batteries and includes a liquid-propane engine rated at 1 kilowatt as backup generation. This configuration broadens OPT's addressable market to offshore sites where solar generation, storage, and dispatchable backup can provide more predictable service than wave energy alone.

• Subsea energy-storage system

  Subsea Battery

  The Subsea Battery is a fully submerged energy-storage vessel for subsea payloads. It houses lithium iron phosphate batteries and is described as providing 132 kilowatt-hours of nominal capacity with peak power delivery of up to 15 kilowatts. Unlike the PowerBuoy, it does not generate electricity from waves; its role is to store and deliver energy to equipment installed below the surface.

• Offshore power aggregation and interconnection equipment

  Undersea Substation Pod

  The Undersea Substation Pod is an electrical aggregation and interface platform for offshore generation. It can combine output from as many as ten generation devices, including wave, wind, or other marine-energy systems, into a common point for transmission to the onshore grid. It can also be configured to deliver power from shore to offshore equipment, making it relevant to broader marine-energy infrastructure rather than only OPT-branded generators.

• 2014

  Refocus from large wave farms to remote offshore marketsStrategy

  Background

  A major Australian wave-energy project associated with Lockheed Martin was assessed as not commercially viable after work conducted during the 2012–2014 period. Large wave farms also faced wider technical, legal, financing, and permitting obstacles.

  Action taken

  OPT placed greater strategic emphasis on autonomous and remote offshore power, communications, monitoring, defense, oil and gas, aquaculture, and oceanographic applications.

  Aftermath

  The company's portfolio broadened beyond utility-scale wave generation to include hybrid power, subsea batteries, offshore infrastructure, and services for remote marine equipment.

  Source

1. 1Ocean Power Technologiesen.wikipedia.org
2. 2Ocean Power Technologies official websiteoceanpowertechnologies.com