There are 3 critical factors that make a successful heat to power project:

1 %

The quantity of heat available will determine the amount of power that can be generated from the heat source. For information on assessing a heat source, visit the How a site comes together page

1 %

The more hours the heat source operates per year, the better for heat to power projects. There are 8,760 hours in a year and ideally the heat source runs for greater than 7,000 of them

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Value of electricity

The Clean Cycle can deliver value in a variety of ways including reduced electrical load, carbon offsets, and increased operational efficiency. Typically, the most prominent benefit that the Clean Cycle brings is in the value of each kilowatt of electricity it produces.


A gasification and waste recycling process for the production of clean energy, utilizing the principles of ‘low level buildings’, ‘ultra-low emission to air’ and ‘low noise levels’. 

CETY has entered into an agreement to cross promote its products with Biomass Power Limited (BPL), a leading designer, builder and operator of Biomass waste to energy power stations. BPL has incorporated CETY’s Clean Cycle TM Organic Rankine Cycle (ORC) heat recovery generator into its waste to energy power plants.

Between one to four Clean Cycle TM ORC heat recovery generators will be used in each family of BPL-TEC Stepped Grate Gasification plants built by BPL,  which delivers gross power outputs ranging from 140 – 560 kWe.   The Clean Cycle TM ORC heat recovery generator will be used to create electricity from hot water that has been produced by thermally processing (via advanced gasification) non-recyclable “end of waste” organics (biomass) and plastic’s.

Example applications that have delivered numerous successful installations include the following:

Liquid fuel engines

Clean Cycle generators can pair with single or multiple engines to substantially increase the overall fuel efficiency of generator installation. On a typical high speed diesel Engine, one Clean Cycle generator will offset 150,000 liters of fuel per year. Regardless of the fuel type - including diesel, fuel oils, LNG, etc. - the engine produces heat that the Clean Cycle can convert into electricity.

Gas engines

The Clean Cycle can add valuable additional electrical output from the waste heat of biogas engines, which often qualify for lucrative feed-in-tariffs. The Clean Cycle has demonstrated success on landfill gas engines, biogas engines, waste water treatment plants.

Biomass boilers

Boilers and other combustion systems using forms of biomass have been used for many years to dispose of waste or industrial by-products, such as farm and sawmill clippings, refuse, and even forms of biogas. The combustion process can be used to heat water that can be delivered to the Clean Cycle unit to turn the waste into valuable electricity.

Compression stations

Compression stations used throughout the world transmit gas and oil from one destination to another and produce heat in the process. Both turbine compressors and engine compressors are suitable heat to power candidates and the electricity produced can be used directly on-site.


Turbines that generate electricity or are used for compression create a substantial amount of heat in their exhaust. Small scale microturbines can also be utilized in series to extract enough heat for generating electricity.

Other process heat

Any industrial facility where biomass is involved, whether it's a cement manufacturing facility, flare, engine, flue, etc.

Three CETY Clean Cycle™ Systems Commissioned as Part of Aries Clean Energy’s Waste-to-Energy Facility in Lebanon, Tennessee


More than 16 million pounds diverted from landfills each year


More than 36 MW-hrs generated over the 20 year life of the project


More than 5,000 pounds of carbon
emissions averted annually

Aries Clean Energy provided design, installation, and construction services for the project, deploying their patented downdraft gasification system.

The waste-to-energy downdraft gasification plant built by Aries Clean Energy just outside Nashville integrates three of CETY Clean Cycle™ HRS systems designed to produce 420 kWs of electricity from heat captured through the gasification of approximately 64 tons of waste daily. The gasifier cleanly converts waste into a combustible synthetic fuel gas without any burning or incineration steps. The high-temperature process that takes place in Aries’ commercially proven gasifiers is thermochemical in nature, using very low levels of oxygen in a sealed, computer-controlled environment.

Anaerobic digester power plant using CETY’s Organic
Rankine Clean Cycle II Waste Heat Generator 

Input Materials

CETY Clean Cycle II capturing heat from Jenbacher JGC420 generators to produce electricity


CETY’s Clean Cycle II ORC will conserve energy by utilizing waste heat, “free” power as all the heat that is currently being rejected to the atmosphere through the exhaust will now be utilized.


The ORC would be offsetting natural gas fired turbines with
an overall efficiency less
than 40% efficiency. The
ORC would also reduce
demand on the grid, and
the associated “I2R”
losses.  Annual electrical Electricity Savings : 769,149 kWh

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Clean Energy Technologies, Inc.

2990 Redhill Avenue
Costa Mesa, California 92626 U.S.A.
Main Phone: (949) 273-4990

Fax Number: (949) 273-4990

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