thermal efficiency of geothermal power plant

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    The construction of the Biphase turbine and power plant and operational experience are detailed. These were further narrowed down by a market survey, siting analysis and a survey of raw material availability to forest products; caustic chlorine: corn products and 3 others. The containment building for this plant has only a single containment barrier, and consists. This increased efficiency is due to the waste heat from the gas turbine can be used to generate steam, which the turbine can then use to create additional electricity. The giant mirrors used in concentrating solar-thermal power, known as heliostats, are often the most expensive parts of a CSP plant. Thermal Performance Analysis of an Absorption Cooling System Based on Parabolic Trough Solar Collectors; Laboratory Exercise 12 THERMAL EFFICIENCY; Three Factors Causing the The potential issue of silica deposition rises with increasing resource temperature. The study includes necessary electrical auxiliaries, heating, ventilating and air conditioning systems, and plans utilities such as fire protection systems, and sewage systems. This is a big deal in renewable energy circles, but why should it matter to us, the energy consumers across the country? Save my name, email, and website in this browser for the next time I comment. Among numerous highlights in the National Renewable Energy Laboratorys recently published Geothermal Power Production and District Heating Market Report, one in particular stands out: since 2019, 11 new geothermal power purchase agreements have been signed across four states. An overview of the major types of solar thermal power plants or solar thermal electric technologies including concentrating parabolic trough, parabolic dish, fresnel lens systems, and locations and types of the largest solar thermal power plants. Solar thermal power reduces the storage needs and the equipment costs. Given its importance to the industry, the Eddystone facility is now an American Society of Mechanical Engineers (ASME) historical landmark. F, 221 bar/3208 psia) (Tester et al., 1992). For instance, the operation of a 1000-MWe coal-fired power plant results in a nuclear radiation Adding even more geothermal power to address Californias urgent grid needs, Ormat Technologies last quarter closed on its first-ever reverse auction that saw the company publish a bid solicitation for its Heber 2 geothermal power plant in Heber, California. Combined Heat and Power article, Power Engineering: The Rickover Effect, How One Man Made a Difference by Theordore Rockwell, Naval Institute Press and iUniverse, 1992. 4) A single-flash geothermal power plant uses geothermal liquid water at 150C at a rate of 420 kg/s as the heat source and produces 15.8MW of net power in an environment at Best sites for these are in Oregon, Southern California and, ? The turbines exhaust to nine brine heater-surface condensers at exhaust conditions of 17.2 psia, 220 deg F; the heat of vaporization is removed in the sea water by heating it from l85 to 200 deg F. The plant outputs are about 4,000 Mw(e) to the switchyard and 20,306 Mw(t) as 200 deg F sea water. Thermal efficiency is sensitive to steam pressures entering and leaving a turbine; to maximize the power-life of a geothermal field, the fluid from discharging wells is considered as separated in two pressure stages in series, at 75 psia (5.17 bar) and 20 psia (1.38 bar). In a basic binary GPP, geothermal fluid (brine) is used as a pressurized liquid to provide heat input into an organic Rankine cycle (ORC). The $1.8 billion Hells Kitchen Geothermal Power and Lithium Extraction Facility is part of a 25-year PPA signed in 2020 between operator Controlled Thermal Resources (CTR) and the Imperial Irrigation District (IID) in Imperial Valley, California. In 2018, geothermal power plants generated a total of 16.7 kWh, which is approximately 0.4 percent of the total amount of energy produced in the United States. In cross section, the turbine building is semi- circular with a flat concrete floor. Wind is an example of motion energy. With grid reliability a concern, the California Public Utilities Commission specified, in an historic procurement order issued in June 2021, development of 11,500 megawatts of new capacity by 2026, including 1,000 megawatts of renewable generation at 80% percent or greater capacity factor and no on-site emissions. Thus, a 42-fold larger design capacity of 100,000 barrels per day (bpd) was adopted as the basis for an above-ground base case. (29), Since EDF and GE installed the first commercial 9HA gas turbine in the Bouchain plant, the outcome was great: A world record for combined cycle efficiency62.22%. Introduction to Thermodynamics II. Based on the complete loss of coolant from one reactor, the building design pressure is 8.5 psig. Each reactor is contained in a separate containment structure, and all nine turbine-generators are located in a single containment building. Higher SCWO effluent flowrates would lower rotor rotational speeds and increase wheel pitch diameters to more practical levels. As global energy demand rises, the search for viable alternative fuel sources continues. Extreme weather events and energy shortages in western states have added a fresh sense of urgency to the development of clean energy. . Geothermal power plants require high-temperature (300F to 700F) hydrothermal resources that come from either dry steam wells or from hot water wells. In 2010 its annual generation was 31,200,000 MWh, leading to a capacity factor of: Figure 4. maintenance and refueling.The largest nuclear plant in the US, Palo Verde Nuclear Generating Station has between its three reactors a nameplate capacity of 3,942 MW. Each borehole is 155 mm (6.1 in) in diameter and contains a simple heat exchanger made of small diameter plastic pipe, through which water is circulated. Today, France relies heavily on nuclear power, from the basic design of Admiral Rickover. Now decommissioned, the plant remained in operation for over fifty years. Due to the low solubility of inorganic salts in supercritical water (about 200 ppm or less) (Armellini and Tester, 1990, 1991a, 1991b), solid salt forms and falls to the lower section of the reactor, where it is cooled and quenched with water, creating a concentrated (organic-free) brine that would be mixed with brackish water and reinjected back to the geopressured well. The best case flowsheet corresponding to a 100,000 bpi case using oxygen as oxidant is given in Figure 1. the power plant is as follow: X = 0.25, oi m g = 0.780.980.97 = 0.741. Duke Energys fuel portfolio is a fine example of fuel diversity. 0. is the emission rate of a given pollutant relative to the intensity of a specific activity, or an industrial production process; for example grams of carbon dioxide released per megajoule of energy produced, or the ratio of greenhouse gas emissions produced to gross domestic product (GDP). The general layout of the plant ls shown. A plant that is more efficient would dump less heat per megawatt-hour, but regardless of whether cycle is used, significant amounts of heat will be lost. Geothermal power plants generally utilize geofluid which is between 100C and 180C. Steam at pressures up to 135 psia can be produced by this system from geothermal fluid as low as 250/sup 0/F at lower costs then direct production from fossil fuel. Box 80144, South Dartmouth, MA 02748-0144, USA Received 1 December 2006; accepted 1 March 2007 Available online 4 May 2007. Forrestal Building1000 Independence Avenue, SWWashington, DC 20585, Among renewable power sources, geothermal energy delivers the highest capacity factor--or the best ratio of. The availability of the Biphase turbine itself was 100% after implementations of this method in March 2000. Hydroelectricity, or hydroelectric power, is electricity generated from hydropower (water power). (8). This would drive a turbine and provide shaft power to compress the flashed steam to desired pressures for process use. Updated Conceptual Model and Reserve Estimate for the Salton Sea Geothermal Field, Imperial Valley, California. Geothermal Resources Council Transactions, 40, 57-66. Investigations, The utilization of the geothermal resource for power generation is always related to the presence of non condensable gases, as natural components of the steam. About Office of Energy Efficiency & Renewable Energy A geothermal power plant in USA-Alaska is commissioned lately that uses a source at 73C. First Law Efficiency III. The design relations used to predict performance and design the turbine were verified by these tests. It was coal fueled and designed for a thermal efficiency of 41%. Enter the code above here : In addition to oxidizing the methane to convert the chemical energy to thermal energy, auxiliary fuel in the form of an organic waste can be co-oxidized to increase the energy output to commercially sustainable levels. Geothermal energy is the thermal energy in the earth. The Dual Pressure Rotor would increase the power output to 2064 kWe by incorporating two pressure letdown stages in the Biphase rotor, eliminating the requirement for a backpressure steam turbine. As can be seen from figure 6, over the course of a year, the fuels used for power generation at Duke Energy provided 95% Thermal Power Generation. One consists of a full-scale system, Geopressured resources are geothermal reservoirs containing dissolved methane in hot brine at pressures well in excess of their in situ hydrostatic pressure. Terry steam turbines are widely used in various industries because of their robust design. Performance evaluation of a Terry GS-2 steam impulse turbine with air-water mixtures, https://doi.org/10.1016/j.applthermaleng.2021.116636, Operation and Performance of a Biphase Turbine Power Plant at the Cerro Prieto Geothermal Field (Final Report), Preliminary research on geothermal energy industrial complexes. RFQ submission proposals being accepted for 72-bed dormitory construction project, Copyright 2022 Williamson College of the Trades, Natural Gas about $3.00 per million Btus, Diesel Fuel about $17.00 per million Btus, AEP/SWEPCO John Turk Plant. The 3,500 Mw plant uses one pressure tube reactor to produce saturated steam at 600 psi. POWER Magazine, SWEPCO web site for John Turk Power Plant, POWER Magazine article on KCP&L Iatan #2, 2011, Longview Power, POWER Magazine Plant of the Year, 2016, G-E Bouchain GTCC Power Plant, EDF, France, G-E Gas Turbine, Combined Cycle Plant designed for up to 64% Thermal Efficiency, POWER Magazine, April 2017 Worlds Most Efficient Coal Plants, Duke Cliffside Unit #6 POWER Magazine, 2013, Toyota Gasoline Engine reaches 38% Thermal Efficiency, Caterpillar Natural Gas Engine G3412C Gas Engine Technical Data, EIA (Energy Information Agency) Electricity Cost of Production Chart, U.S. Chamber of Commerce Publication, Here is Where Your State stacks up in Electricity Prices, U.S. Department of Energy Combined Heat and Power Better Buildings Web-Site, Engineering Toolbox for Fuel Heating Values and analyses. A part of the energy in the steam is converted to electrical energy in steam turbinegenerators; the energy in the turbine exhaust steam is used to heat sea water in the turbine condensers. Typical coal-based power plants operating at steam pressures of 170 bar and 570 C run at efficiency of 35 to 38%, with state Overall Efficiency of Thermal power plant is the ratio of equivalent heat energy which is ultimately converted to electrical energy coming from turbine shaft to the heat energy of coal combustion. Publication Number: CEC-300-2022-013 Publication Year: 2022 Updated: 12/06/2022 Publication Division: Renewable Energy (300) Program: Residential Solar Permit Reporting SB 379 Highlights: NREL 2021 Geothermal Market Report. Learn More Office of Energy Efficiency & Renewable Energy. The overall efficiency of a thermal power plant is nearly 29% and it is less than the thermal efficiency because some energy is lost by alternator. Compactness is a hallmark of geothermal power plants. Coal is an impure fuel and produces more greenhouse gas and pollution than an equivalent amount of petroleum or natural gas. 2021 U.S. Geothermal Power Production and District Heating Market Report. The integration of the solar thermal power plant into enhanced geothermal systems is challenging in combining geothermal sources with no sufficient geothermal energy operating a single geothermal power plant. As a preparatory step for investigating in situ approaches, a realistic above-ground conceptual design was developed in this study. Biphase turbine theory, design and performance are reported herein. Two 325 Mw(e) turbine generators are driven by the steam, which condenses in brine heaters at 17.2 psia, 220 deg F before being pumped back to the reactor inlet as condensate. ; 6 : < 9 7 8 < 8 < 5 f two heavy-water- moderated, natural-uranium-fueled power reactor plants are reported. It is believed that India has a potential geothermal energy capacity of 10,000 MW. Iceland and the Philippines are major producers of geothermal power, which can be used in huge commercial plants to power entire cities or just pump the heat directly into homes for heating. Over 80% of Americas electric power generation is from Heat Engines. Another term to describe thermal power generation is, power generation from Heat Engines. Theres a sense of urgency to add more geothermal, largely because of its unrivaled capacity factor and baseload capability.. By using a Rankine-type power cycle, electric power can be generated by capturing the available thermal and hydraulic energy from the geothermal resource and the chemical energy of the dissolved methane released by the oxidation process. The power plant was subsequently placed in a standby condition pending replacement of the rotor with a newly designed, higher power rotor and, The overall purpose of this study was to provide economic, technical and other related information on developing industrial complexes to utilize geothermal energy. The Bouchain plant is similar to two of the plants that we will tour during Williamsons summer course, Liberty and Marcus Hook Energy Center. Id like more information about Williamsons 2018 Introduction to Thermal Power Plants course! Thermal Efficiency of Thermal Power Plant is the ratio of equivalent heat energy which is converted to mechanical energy flow to the turbine shaft to the heat energy of coal combustion. The thermal efficiency for a power conversion cycle is defined as the net turbine shaft power divided by rate of heat input into the cycle working fluid. Steady-state efficiency and torque performance maps of the turbine were developed over a range of turbine inlet pressures (1.384.83 bar or 2070 psia), air mass fractions (0.051.0) and rotational speeds up to 4000 RPM. Use our advanced search page; Browse our curated A-Z index of terms and topics or see our automated list of website topics; Search frequently asked questions or submit a question; Go to the EPA home page Actual operating efficiencies are always slightly lower than design efficiencies because a power plant rarely operates at the most efficient load point. Net power outputs of about 140 MWe and 160 MWe have been estimated for a processing capacity of 100,000 bpd using air and oxygen as oxidant, respectively. Sellafield is a large multi-function nuclear site close to Seascale on the coast of Cumbria, England.As of August 2022, primary activities are nuclear waste processing and storage and nuclear decommissioning.Former activities included nuclear power generation from 1956 to 2003, and nuclear fuel reprocessing from 1952 to 2022. The ratio of the amount of net electric power generated (MW e) to the amount of geothermal heat that is produced or retrieved from the reservoir is the conversion efficiency (MW th). Geothermics 36 (2007) 276285. The Biphase power plant was operated from that time until May 23, 2000, a period of 2 years and 9 months. Mitsubishi Power Will Build New Geothermal for Indonesia to burnup and thermal efficiency. Heat energy cannot be converted into mechanical energy without temperature difference and according to the thermodynamics law we know, greater the temperature difference, greater the heat energy is converted into mechanical energy. The U.S. Department of Energy's Office of Scientific and Technical Information General Motors anticipates increasing demand for both current applications, e.g. A meta-study of the effect of thermodynamic parameters on the efficiency of geothermal power plants worldwide. Cooling the steam as it leaves the turbine is necessary in order to raise the power conversion efficiency. A deep REGS of 5000 m is assumed, with a moderate thermal gradient of 0.033 in the host rock. Fuel diversity is important. There are four, Now in its 4th edition, this single resource covers all aspects of the utilization of geothermal energy for power generation using fundamental scientific and engineering principles. This positioning improves system efficiency and reduces material requirements and costs. March 25, 2022. Interest in geothermal power in California is the highest weve ever seen, noted Paul Thomsen, head of business development at Ormat. Within the nuclear power generation industry, they are used in the Reactor Core Isolation Cooling System to remove decay heat during reactor isolation events. In the consequences of the analysis, the thermal efficiency and exergy performances are computed as 41.17% and 47.28% for the cooling season. However, geothermal is still, for the most part, a resource that has not been fully exploited, and future power plants have the potential to generate far more renewable energy than those operating at this time. Three reactors, each designed for a heat power output of 8,333 Mw, are used to produce 600 psi saturated steam for nine turbine generators. An example of a large electric utility that has a diverse fuel supply, is Duke Energy. (2). The basic theme of this extensive course is electric power generation from Thermal Power Generation. Exergetic Performance Assessment of a Binary Geothermal Power Plant. Every year, Nevada Solar One generates enough electricity to power 14,000 Nevada homes. All fuels are important and coal, as seen in Figure 5, coal can be extremely important for Base Load and during extreme weather. This power plant generates 200 kW . Geothermal energy, in contrast to solar and wind power, is accessible around the clock and every day of the year. Two new geothermal power plants are joining or near to adding to the nations electricity supply: Casa Diablo IV (30 MW), part of the Mammoth Geothermal Complex near Mammoth Mountain, and the under-development Hells Kitchen (50 MW) in the Salton Trough of southern California. The turbines are located on foundations that are outdoor structures, and the turbine-generators and auxiliaries are weatherproofed for outdoor service. Also some geothermal plants use production pumps as well as reinjection pumps. Persistence and diligence pays and as a result of a lot of good engineering and hard work, the Longview plant reached the pinnacle of top efficiencies in the U.S., achieving a Heat-Rate of 8,999 Btus per kWh. Forrestal Building 1000 Independence Avenue, SW Washington, DC 20585. Figure 2. This plant, pictured above, recently received top honors in being rated the best Heat-Rate plant of 2016, Figure 1. The second system is based on a reactor having a thermal power output of 3,500 Mw(t) and is considered to be a prototype of the larger plant. The description of the Longview Power plant below is from POWER Magazine. Altayib and Dincer A single flash, The third stage of the Nesjavellir combined power plant was commissioned in late 1998 after a record construction period of only 22 months. Phase I, Final report. This heat can be used to produce steam for air conditioning systems or any other thermal energy consuming system. Estimation of efficiency of a geothermal power plant is a subject of debate with regards to the best method that should be applied. (3) The Turk Plant uses coal fuel and is designed for an operating efficiency of 40%. Geothermal heating is the direct use of geothermal energy for some heating applications. Recommendations include encouraging industrial companies to make specific site studies and pilot testing the steam beneficiation system conceived. The air conditioning system can also improve efficiency by using a heat sink that is cooler than the standard air heat exchanger, such as geothermal or water. However, it has not been clear so far whether domestic lithium extraction is really worthwhile. Yildiz Kalinci, A. Hepbasli, I. Dincer. When combined with the backpressure steam turbine the total output power from that flow would be increased by 40% above the power derived only from the flow by the present flash steam plant. CTES (cavern or mine thermal energy storage). Binary Geothermal Power Plant. Examples can be found at Steamboat Springs in Nevada or Hilo in Hawaii. These include the internal energy or enthalpy of a body of matter and radiation; heat, defined as a type of energy transfer (as is thermodynamic work); and the characteristic energy of a degree of freedom, , in a system that Determine the thermal efficiency, the second-law efficiency, and the total rate of exergy destroyed in this power plant. The flashed fluid would be passed thru a direct contact boiler to evaporate a secondary fluid. Slated to begin operations in 2024, CTR has an agreement in place with General Motors, a lead investor in the project, to provide lithium hydroxide and carbonate for use in production of electric-powered vehicles. A simple cycle gas turbine achieves energy conversion efficiencies from 20 to 35%. Energy storage is the capture of energy produced at one time for use at a later time to reduce imbalances between energy demand and energy production. The Casa Diablo IV PPA will deliver 14 megawatts (MW) of power to Bay Area communities via Central Coast Community Energy (CCCE) and Silicon Valley Clean Energy (SVCE),[1] and 16 MW to Colton, California, (pop. In cold climates, heating air and water is a major demand for household energy use. Typical current fuel costs are listed below in dollars per million Btus. Two plant sizes are considered. Registration is now open for Williamsons 2018 Introduction to Thermal Power Plants course! Richard F. (Dick) Storm, PE, CEM An emission intensity (also carbon intensity or C.I.) Most of the geothermal power plants in the United States are in western states and Hawaii, where geothermal energy resources are close to the earth's surface. The Casa Diablo IV PPA will deliver 14 megawatts (MW) of power to Bay Geothermal energy has a number of drawbacks, including the fact that it produces waste, that its reservoirs need to be properly managed, that it is location-dependent, that it has a high initial cost, and that, in severe circumstances, it might trigger earthquakes. 1). The results for the material and energy balances for a processing capacity of 100,000 bpd using air and oxygen as oxidant scale up linearly from the results for the 100,000 gpd case. The combined data set will enable further development of analytical models over a wide range of conditions and may be used to provide technical justification for expanded use of the Terry turbines in nuclear power plant safety systems and other systems. Cogeneration is a more efficient use of fuel or heat, because otherwise-wasted heat from electricity generation is put to some productive use.Combined heat and power (CHP) plants recover otherwise wasted thermal energy for Artificial photosynthesis is a chemical process that biomimics the natural process of photosynthesis to convert sunlight, water, and carbon dioxide into carbohydrates and oxygen.The term artificial photosynthesis is commonly used to refer to any scheme for capturing and storing the energy from sunlight in the chemical bonds of a fuel (a solar fuel). Both the cases of using air and oxygen as oxidant were investigated. Hydropower can provide large amounts of low-carbon electricity on demand, making it a key element for From the end of 2015 through the end of 2019, United States geothermal power capacity increased slightly from 3.627 GW to 3.673 GW. Low cost power production made possible by its high efficiency and low fuel cost. For comparison purposes, curves are also shown for the case where the fluid is separated in one-stage at the higher pressure given above, with elimination of the supplementaty steam entering the turbine at the lower, pass-in pressure. . As the fuel costs illustrate, running a Diesel power plant that is extremely efficient (up to 48%) but utilizes the most expensive fuel is not solely competitive. The process was modeled using the ASPEN PLUS{trademark} process flowsheet simulator and material and energy balances were determined. National Mining Association cost of electricity by each state and the percentage of coal generation in each state. Additional information on these highly efficient facilities is available in the references. Among renewable power sources, geothermal energy delivers the highest capacity factor--or the best ratio of actual energy output to possible energy outputbecause it does not rely on favorable weather conditions. The use of fans or the utilization of natural ventilation through a cooling tower are both viable options for accomplishing air conditioning. Reprocessing ceased on 17 July 2022, when Figure 6: Duke Energy Fuel Diversity (2017). In this work, an experimental test, A full scale, wellhead Biphase turbine was manufactured and installed with the balance of plant at Well 103 of the Cerro Prieto geothermal resource in Baja, California. The wells in this area are characterized by typical bottomhole temperatures of 120-180 C (250-360 F) (Negus-de Wys, 1991a) and bottomhole pressures of 675-1275 bar (9,800-18,500 psia) (Negus-de Wys, 1991b). Hydropower supplies one sixth of the world's electricity, almost 4500 TWh in 2020, which is more than all other renewable sources combined and also more than nuclear power. Power purchase agreements are the contracts that allow utilities to procure electricity from power plants. A wood chemical plant that could be built as part of the complex would yield a marginal return on investment. The slow decay of radioactive particles in the earth's core, a process that happens in all rocks, produces geothermal energy. Humans have taken advantage of geothermal heat this way since the Paleolithic era. March 25, 2022. Toluene was chosen as the model compound to represent the organic waste. A great deal of plant down time resulted from the requirement to develop methods to handle the solids and from testing the apparatus in the Biphase turbine. 54,000) a suburb of San Bernardino in the states Inland Empire region. To put this into perspective, the maximum documented thermal efficiency for geothermal power is 21 percent, while the average thermal efficiency across the planet is 12 percent. A geothermal system supplying energy to a Forest Products Complex could yield attractive rates of return on investment. Required fields are marked *. The output of 200 deg F sea water is about 2800 Mw(t) under these conditions. Modern geothermal power plants deliver a capacity factor upwards of 90-95%. Overall, it costs approximately $200 million to build a medium-sized geothermal power plant capable of producing 500 megawatts of power per hour. Geothermal power plants are a novel form of electricity generation that uses heat energy from the planet core to produce electricity. The sun, the wind, and biomass are not included in the category of geothermal energy resources. Part A: Public Power Plants, Thermal Efficiency, Heat Transfer, and Friction Factor Analyses of MWCNT, Second Law of Thermodynamics Thermal Energy Reservoir, Calculation of Thermal Efficiency of Combined- Cycle Plant, Thermodynamic Cycles Look at Different Cycles That Approximate Real Processes You Can Categorize These Processes Several Different Ways Power Cycles Vs, Energy Efficiency and Economic Feasibility of an Absorption Air-Conditioning System Using Wet, Dry and Hybrid Heat Rejection Methods, Optimal Design of Stirling Heat Engine Using an Advanced Optimization Algorithm, A Theoretical and Experimental Investigation of an Absorption Refrigeration System for Application with Solar Energy Units, Low-Temperature-Differential) Heat Engine, Thermal Efficiency - Wikipedia, the Free Encyclopedia Page 1 of 8, Characteristics of a VM Type Thermal Compressor for Driving a Pulse Tube Cooler, System Design and Experimental Study of a 80K/10W Pulse Tube Cooler Driven by a Linear Motor Compressor, Comparative Analysis of Small-Scale Organic Rankine Cycle Systems for Solar Energy Utilisation, Heat Engines, Entropy, and the Second Law of Thermodynamics, Thermodynamics Fundamentals for Energy Conversion Systems Renewable Energy Applications, Thermodynamic Cycle 1 Thermodynamic Cycle, Performance and Cost Evaluation of Organic Rankine Cycle at Different Technologies. From this the importance of high efficiency and reasonable fuel costs can be seen. An initial screening of products and production processes led to the selection of the following potential Geothermal Energy Industrial Complexes (GEICs): forest products; chlor-alkali industries; alumina-aluminum; cellulosic fibers; magnesium compounds and soda ash; petro-chemicals complex; food and fermentation products. The maximum measured power output of the Biphase turbine, 808 kWe at 640 psig wellhead pressure, agreed closely with the predicted output, 840 kWe. According to Bloomberg New Energy Finance, geothermal power facilities have been estimated to have capacity factors in the vicinity of 73 percent. Two new geothermal power plants are joining or near to adding to the nations electricity supply: The Casa Diablo IV PPA will deliver 14 megawatts (MW) of power to Bay Area communities via Central Coast Community Energy (CCCE) and Silicon Valley Clean Energy (SVCE). Maximum energy is lost by condenser and rest of energies are lost in flue gases, ash etc. The objective of this study is to assess the feasibility of using geopressured resources to simultaneously detoxify hazardous waste and generate electric power. A dry type cooling tower consumes twice as much electricity [22]. 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    thermal efficiency of geothermal power plant