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The Future of Renewable Energy
for
Data Center Campus
Single-Well Engineered Geothermal System™
(SWEGS™)
“GTherm Green Boiler”
for
Thermal & Electrical Applications
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The GTherm Team
R&D
Modeling:
Dartmouth
Research:
EPRI
Engineering
and
Equipment
Drilling
and
Tools
Logistics
and
Controls
Optimization:
US DOE
TBD
Power Plant Design:
Lehr Consulting Int’l, NY
EPC:
Drilling:
Nabors Industries, Bermuda
Accounting Logistics: Tax & Audit:
NYC
IFS, IL
• 9 patents filed
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Geology:
Lehigh University
Heat Pipes:
Aavid Corp., NH
Turbines/Generators:
TAS Energy, TX
Drilling:
Baker Hughes, TX
Security and Control:
Tangible Software, VA
Legal:
NYC
GTherm Green Boiler
Thermal Energy
SWEGS
°
87.7°C
HeatNestTM
°
87.7°C
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• 17.5” (0.45m) 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
• Heat pumped to
heat/production reservoir
wells
How a GTherm HeatNest™ Works
Cool Water is
Pumped In
Hot Water is
Pumped Out
Heat
Heat
HeatNestTM
Heat
Heat
Heat
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Heat Heat
Heat
Geothermal
Energy
Replenishes Itself
GTherm HeatNest Appendages
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GTherm Heat Extraction Design Flexibility
• 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)
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GTherm Green Boiler Applications
Electricity
Data Center
Campus
Enhanced Oil
Recovery
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Mining
Fish Farming
Greenhouses
Desalination
HVAC (Including Malls)
Drying
Etc.
Why GTherm?
GTherm SWEGS is a Closed-Loop System
•
•
•
The water coming from the HeatNest to the pump is continuously recycled.
(i.e. no waste water)
No groundwater contamination
Closed Loop System
Constant and Continuous Heating
•
•
GTherm SWEGS is designed to pull heat from earth at 20% less than the refresh
rate
The heat resource is constantly replenished and never consumed
Environmentally Safe
•
•
•
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No fossil fuels
No greenhouse gas or other emissions
No chemicals required for extraction
Why it Works
• SWEGS is modeled after heat pumps
• There are millions of heat pumps installed and operating
worldwide
Small Commercial Heat Pump
Length (meters )
Well
Diameter (i nches )
Heat
Length (meters )
Exchange Diameter (i nches )
Low / High Heat ° C
BTU / h
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SWEGS
Heat Pump
SWEGS
23 - 150 1,000 - 5,000
6.0
17.5
80 - 110
1,000
2- 3
13.5
10 / 16
95 / 315
12,000 34,000,000
GTherm Plant Layout
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GTherm Plant Layout
A GTherm 25 MW power plant is delivered in containers.
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Current Data Center Costs
Brown Power
Servers
56%
Typical Data Center Power Breakdown
Cooling
Power Cond. Network
30%
8%
5%
Lighting
1%
Tier Related Costs
Tier 1:
Tier 2:
Tier 3:
Tier 4:
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Guaranteeing 99.671% availability (28.8 hrs. downtime/yr.) : $ 450 sq.’
$10M/MW
Guaranteeing 99.741% availability (22.0 hrs. downtime/yr.): $ 600 sq.’
$11M/MW
Guaranteeing 99.982% availability ( 1.6 hrs. downtime/yr.): $ 900 sq.’
$20M/MW
Guaranteeing 99.995% availability ( 0.4 hrs. downtime/yr.): $1,100 sq.’
$22M/MW
Source: Uptime Institute
GTherm Data Center Campus Benefits
Green, Renewable, Base-load Power
•
•
•
•
•
•
•
•
•
•
•
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Renewable base load redundant power (off grid)
Redundant cooling
Security
Modular construction
Local redundancy, backup & failsafe power
Monitoring, analyzing, control and optimization
Sizing to meet demand
Speed to market
Consolidation path for older data centers
Low operating costs
Low capital costs
GTherm Data Center Campus
Modular Construction
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Look & feel like your conventional
data center
Multiple Exterior Panel Options
Shipped globally
Convenient on-site installation
GTherm Data Center Campus
Modular Cooling
Absorptive Chillers
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Data Center Tier Certification
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Modular Construction Changes
Redundancy Costs and Tier Certification
• GTherm SWEGS Wells
• Each well produces 10 MW of thermal energy
• GTherm drills extra wells for backup
• Each well supplies two manifolds
• Data Center cooling
• Independent modular chillers provide cooling
• Extra chillers are implemented for backup
• Each chiller has two sources of electricity and heat
• Electric turbines
•
•
•
•
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Each turbine produces 5 MW net power
Extra turbines are installed for backup power
Each turbine has two sources of heat
Use grid assets for additional backup
GTherm Tier 4 Electrical Modular Design
Data Path
(Patent Pending)
Electric Bus
ORC
Generators
Manifold
Data
Center
Module
Well
Well
Data
Center
Module
Well
Absorptive Chillers
Well
Data Path
Data
Center
Module
Well
Well
Data
Center
Module
Well
Well
Electric Bus
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Manifold
GTherm Tier 4 Cooling Modular Design
Data Path
(Patent Pending)
Manifold
Absorptive Chillers
Manifold
Data
Center
Module
Well
Well
Data
Center
Module
Well
Well
Data Path
Data
Center
Module
Well
Well
Data
Center
Module
Well
Well
Manifold
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Manifold
GTherm Green Power
• Annual power and cooling operating costs < $2 million per MW
• Prices escalate 1% per year
– Independent of fluctuations in cost of fossil fuel
• PPA funds all development for redundant power and cooling – PPA
can optionally fund facility
• Based on customer requirements, GTherm believes the modular
approach will significantly lower data center construction capital
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GTherm Data Center Campus, Inc
Capital Structure
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GTherm Data Center Campus, Inc
Project Structure
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GTherm is Not Limited to the Ring-of-Fire
High-Temperature Areas
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Example: Southern California
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GTherm Data Center Campus Dynamics
Example: Southern California
• Data Center Campus
• 4 X 35 MW power plants - 120 MW
• 4 X 20 MW - 80 MW data centers
• Cooling chillers 20 MW
• Redundancy 20 MW
• Each power plant is implemented with a data center
• Investors
• Cash
• Tax equity
• Debt
• Data Center Strategic Partner
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GTherm Data Center Campus IRR
Example: Southern California
Investment = $20 million Equity = 25%
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GTherm Data Center Campus
Capital Comparisons
• PPA to GTherm provides for the funding of redundant electricity,
cooling and land (can optionally include data center facility)
• PPA funding reduces capital expenditures and allows for new
technology to meet exponential growth of mobile devices
Data Center Capital Comparison
Current DC Developer
Total
Capital
Capital
per MW
for DC
(000,000)
MW
(000,000)
10
20
200
11
20
220
20
20
400
22
20
440
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Tier 1
Tier 2
Tier 3
Tier 4
GTherm Approach
PPA for
Captial
Total
Electricity for DC GTherm
& Cooling Building Capital
(000,000) (000,000) (000,000)
0
40
40
0
44
44
0
80
80
0
88
88
GTherm Structure
GTherm, Inc.
Holdings
(US)
GTherm
International
(US)
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Shared Services
Legal &
Finance
Business
Development
SWEGS
Engineering
SWEGS
Drilling
R&D
IT/NOC
Components
The Future of Thermal Applications
Thank You
For More information please contact
Mark Henderson
Axess1 group, LLC dba A1 Green Energies
678-653-5554
[email protected]
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