Loading presentation...

Present Remotely

Send the link below via email or IM


Present to your audience

Start remote presentation

  • Invited audience members will follow you as you navigate and present
  • People invited to a presentation do not need a Prezi account
  • This link expires 10 minutes after you close the presentation
  • A maximum of 30 users can follow your presentation
  • Learn more about this feature in our knowledge base article

Do you really want to delete this prezi?

Neither you, nor the coeditors you shared it with will be able to recover it again.



Israel Presentation 28/04/12

Ariel Goldgewicht

on 1 September 2012

Comments (0)

Please log in to add your comment.

Report abuse

Transcript of GTherm

GTherm Imperial Irrigation District (IID) GTherm MW = 4.5 MW
Existing Brine Status = 9 plants
Future GTherm MW = 20 MW
Location = Salton Sea
Future GTherm MW Other Locations = 1,500 MW
4.5 MW Revenue = $ 6 million
20 MW Revenue = $ 20 million
1,500 MW Revenue = $1,500 million
Start = 2012
Partner = IID local utility GTherm Turkey GTherm MW = 100 MW
Existing Brine Status = 22 MW of 45 MW
Future GTherm MW = 400 MW
Location = Izmir
Future GTherm MW Other Locations = 4,000 MW
100 MW Revenue = $ 110 million
400 MW Revenue = $ 440 million
4,000 MW Revenue = $4,400 million
Start = 2012
Partner = local utility Typical Enhanced Geothermal Systems (EGS) for Hot Rock: Hydrofracking & Scaling Issues Disturbance of Natural Hydrothermal Manifestations Potential Aquifer Pollution Extreme Quantity of Water Seismic Instability Severe corrosion from hot geothermal brine flow through carbon steel pipe. Salton Sea Field After Two Months S
G Why it Works SWEGS is modeled after heat pumps
There are millions of heat pumps installed and operating worldwide Small Commercial Heat Pump SWEGS GTherm Plant Layout 2 Acres / Well
5 & 10 MW modules
Secondary Land Use GTherm Delivers Competitive Priced
Base Load Energy (Budget Certainty) GTherm SWEGS
Zero Cost of Fuel April 2012 Coal was $3.10 per Million Btu –

GTherm pricing is decoupled from the cost of fossil fuel prices and will not change Location of the geothermal system east of the Sea of Galilee. Red circles represent boreholes tapping the Judean aquifer and white circles represent boreholes tapping shallower aquifers. The deep Zemah 1 borehole (4250 m) is drilled into the basin fill. Average temperature at 8 km. Source: http://www.gsi.gov.il/_Uploads/920GSI-29-08.pdf Israel Geothermal Profile The Future of Israel’s Renewable Energy

Single-Well Engineered Geothermal System™
for Cost-Effective Electricity GTherm SWEGS 17.5” diameter well drilled to region of hot rock
Lateral holes drilled out into hot rock
Heat pipes grouted into lateral holes to harvest heat and bring it to central well
Heat exchanger transfers heat into closed loop
Closed loop brings heat to surface
ORC makes use of lower temperatures GTherm HeatNest™ Appendages GTherm: EPRI Grant 2 Implementation A lateral drilling technique has been identified and vetted.

A drilling, heat pipe placement, and cementing sequence (developed for oil and gas) for lateral appendages has been specified.

Low temperature thermal-to-electric power converters are available so that plant designs for 2 MW to 10 MW power modules can be completed. 

Economic analysis suggests that the GTherm SWEGS could be a cost effective approach to extracting heat for the production of electricity, while not being reliant on any water sources. GTherm: LCI Endorsement “…That extensive review has resulted in our professional conclusion that the entire scheme is most feasible, that the technology generally exists to finalize and construct an installation now, and that any specific minor adjustment/development, as for example with the large, curved heat pipes, can be rapidly completed. Our review also included a detailed evaluation of potential critical failure points, and we believe that the process and design concept has addressed these…”
Valentine A. Lehr, Lehr Consulting International GTherm: Environmentally Friendly (Green), Breakthrough Geothermal Technology Base Load (24/7)
Renewable, Green
Cost effective: Grid parity*, zero operating costs volatility
5 patents pending (additional 4 submitted)
Singapore granted first patent
Exclusive grout license from US DOE
Globally deployable: Demand-side implementation
Scalable:10 MW modular configuration
Job creation
Carbon credits / RECs (Renewable Energy Certificates)
Alternative applications GTherm SWEGS Versus EGS Next Generation Legacy Israel Geothermal Profile Israel Geothermal Financial Analysis 5,000 m/wells
$0.15/kWh GTherm Nicaragua GTherm MW = 200 MW
Existing Brine Geothermal = 26 MW of 70 MW
Future GTherm MW = 800 MW
Location = Momotombo
Future GTherm MW Other Locations = 6,200 MW
200 MW Revenue = $ 200 million
800 MW Revenue = $ 800 million
6,200 MW Revenue = $6,200 million
Start = 2012
Partner = ENEL (monopoly utility) GTherm Costa Rica GTherm MW = 10 MW
Existing Brine Status = 140MW of 165 MW
Future GTherm MW = 200 MW
Location = Miravalles
Future GTherm MW Other Locations = 1,500 MW
10 MW Revenue = $ 10 million
200 MW Revenue = $ 200 million
1,500 MW Revenue = $1,500 million
Start = 2012
Partner = ICE (monopoly utility) ‘City Package’ :
Water-Energy-Food Nexus
“The biggest obstacle to sustainable long-term socio-economic growth” Global demand for energy and food is estimated to rise by 30%-50% by 2030.
Demand for water is estimated to exceed supply by 40% by 2030.

Source: Ernst & Young GTherm: EPRI Grant 1 Model Brine flow has an order of magnitude effect on heat extraction.

Appendages (heat pipes) provide a significant enhancement in heat gathering capability.

SWEGS can perform in scenarios of low reservoir pressure or corrosive fluids that would not support standard hydrothermal approaches to geothermal power conversion.  

A performance model was developed to predict sustainable thermal harvesting rates and electrical power output for SWEGS. GTherm Patents US Patent #12/456,434 – PCT 3592:
Filed globally
Awarded in Singapore with 102 claims granted of 102 claims
A closed-loop, solid-state system generates electricity from geothermal heat from a well by flow of heat, without needing large quantities of water to conduct heat from the ground.
US Patent #12/462,657 – PCT 4517:
A system and method of maximizing heat transfer at the bottom of a well.

US Patent #12/462,661 – PCCT 4515:
A heat exchanger transfers heat from solid state heat conducting material to a fluid in a closed-loop system.

US Patent #12/462,658 – PCT 4518:
A method of transferring heat using a grout that has been optimized for heat transfer includes a heat conductive particulate mixed with the grout.
US Patent #12/462,656 – PCT 4516:
A control system manages and optimizes a geothermal electric generation system from one or more wells that individually produce heat. GTherm is Not Limited to the Ring-of-Fire High-Temperature Areas Israel Geothermal Financial Analysis 5,000 m/wells
$0.15/kWh Geothermal is Competitive
Replace Fossil and Nuclear with Geothermal GTherm – Other Applications ‘City Packages’
Power Plants
Purification of water
Other Applications
Remediation of VOC contaminated sites
Mining: heap leaching for copper, gold, silver, etc.
Enhanced Oil Recovery (EOR)
Hydrogen and Electric Vehicles ‘City Packages’ Global Greenhouse Market
(Est. Market = $55 billion) Global Greenhouses Arcadis Opportunity

Netherlands market
Current heat source = natural gas
Market size Netherland = $2.4 billion
Capital Rebate = 50%
Tax rebate on produce sales = 40%
Temperature Required = 60°C
Location = Netherlands
MWth First Project = 6 MWth
Start = 2012 GTherm Innovation Breakthrough Approach:

GTherm can design the Single Well Engineered Geothermal System to meet the geothermal resource available. Large geological areas available. Designs last 40 years and resources do not deplete.

Current Approach:

Current geothermal approaches can only be implemented in very specific geologies (brine reservoirs with significant brine flow). Resources deplete over time. Very limited geological areas. GTherm SWEGS Vetted Technology EPRI – Electric Power Research Institute
Lehigh University - P.C. Rossin College of Engineering and Applied Sciences
Dartmouth College - Thayer School of Engineering
2 EPRI Grants to validate technology
Grant 1 – mathematically model and confirm the thermodynamics
Grant 2 – verify the pragmatics of installation and operations

DoE – United States Department of Energy
Operational optimization grant

Engineering Validations
LCI – Lehr Consulting International: Failure Point Evaluation
ESP – System Operation
RMT – EPC Process Depth of well
Length of the heat exchanger
Start of the heat zone
Number of appendages
Length of the appendages
Heat equilibrium determination
Pump rate (gpm) GTherm Design Flexibility GTherm – Electric Power Plant Projects The Future of Renewable Energy

Thank You

Michael Parrella Bruce Dubow
CEO, Chairman EVP, Business Development
203.246.6102 23.913.3633
mjp@gtherm.net bdubow@gtherm.net What is GTherm? What does
GTherm offer? Why it Works? Global Projects
Specific Packages GTherm - Implementation Schedule
Committed Projects
Full transcript