Post on 29-May-2020
CNG and LNG Options
April 5, 2016
2
Significant Emissions Reductions
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Wells to Wheels Fuel Carbon Comparison
3FOR INTERNAL DISCUSSION ONLY
Vehicle Examples
4FOR INTERNAL DISCUSSION ONLY
Schedule 54 Service
Gas Supply & Transport
Gas Filtering & Drying
Compression & Storage
Dispensing & Revenue
Collection
Vehicle Operation & Maintenance
Normal Gas Rates Schedule 54 Service Customer
• PSE builds, owns & maintains specific CNG refueling
infrastructure and provide service to individual fleet customers.
• A fully elective, optional service. Fuel retailers, CNG service
providers, and others eligible for tariff.
• Similar to existing PSE customer offers
• Similar offerings exist by other utilities
5FOR INTERNAL DISCUSSION ONLY
PSE LNG Facility
6
CNG Fueling
Clean Energy
(Public)
Waste Management
Republic Services
Pierce Transit
CleanScapes
JBLM
PSE
Best Practices for Fleets
Infrastructure Use
Dedicated and public
stations
Educating drivers
Long-range infrastructure
planning
7FOR INTERNAL DISCUSSION ONLY
Resources
• PSE Contacts
• Larry Berdan – larry.berdan@pse.com
• Brian Lenz – brian.lenz@pse.com
• PSE Schedule 54 Gas Compression Tariff
• http://pse.com/aboutpse/Rates/Documents/gas_sch_054.pdf
NW Natural Confidential | Strategic and Competitive Information
Wholesale High Pressure Service
(Schedule H)
GTSE
By Northwest Natural Gas Company
C.F. Galati, PE
April 2016
PORTLAND STIRLING INC. Bio-methane gas coolers
Efficiently converting biogas to marketable RLNGfor transportation
Green Transportation Summit & Expo April 5th, 2016
The information included in this document is confidential and belongs to Portland Stirling Inc. No copies or transmission without approval.
9
The information included in this document is confidential and belongs to Portland Stirling Inc. No copies or transmission without approval.
10
• Transportation sector produces 41.9 MMtCO2e GHG emissions (WA, 2011).
• Landfills, WWTPs, dairies/feedlots 6.7 MMtCO2e.
• Total GHG emissions 91.7 MMtCO2e.
• Post-Trans Alta (2020), 78.9 MMtCO2e WA total.
• Transportation sector: 53% of 2020 total emissions.
The information included in this document is confidential and belongs to Portland Stirling Inc. No copies or transmission without approval.
11
• The 10 largest landfills, waste water treatment plants and dairy/feedlots produce 368,175 DGE/day of useable bio-methane (WA, 2013).
• On-road diesel use 1,799,671 gal/day (WA, 2014).
• Economically recoverable: 20% total diesel use.
The information included in this document is confidential and belongs to Portland Stirling Inc. No copies or transmission without approval.
12
• Flaring/CoGen/Process Heat: Least worst options.
• Electric Power: Uneconomic (2.3¢ kW-hr in WA).
• Pipeline Injection: $750K/mile (Yakima county).
• Gas Compression: High capital costs per capacity.
• Renewable LNG (RLNG): Proper equipment key.
The information included in this document is confidential and belongs to Portland Stirling Inc. No copies or transmission without approval.
13
Technical Solution:
• 𝜇LNG Gas Cooler 5m3/day.
• Right-sized gas clean-up.
• Primary focus is on efficiency (fewest kw-hours/gallon).
• No synthetic refrigerants.
• Recycle CO2 (greenhouses)
Carbon Negative RLNG:
• Displace diesel.
• Mitigate biogas emissions.
The information included in this document is confidential and belongs to Portland Stirling Inc. No copies or transmission without approval.
14
Don’t worry about it!
RLNG = LNG
NW Natural Confidential | Strategic and Competitive Information
Compression/Storage/Dispensing Schedule H
15
NW Natural Confidential | Strategic and Competitive Information
NWN responsibilities under Tariff Schedule H
Furnish and Install:
• Compressor skid with buffer
storage
• Dispensers Energy Control Center,
Main Distribution Panel
• Coordinate transformer.
Maintenance:
• Compressor oil changes.
• Replacement of failed components
as required.
• Calibration.
• Dryer Regeneration
• Scheduled compressor overhauls
and bearing replacements
Optional equipment to add to facilities
charges
• Slow Fill/Time Fill
• Additional Fast Fill Dispensers
Emergency / Supply Charged at cost
• Emergency tube trailer out of
GASCO/Sherwood
• Future mutual assistance contracts
• Future emergency power generator
skids
Monitoring will be done by NWN Gas
Control along with dispatch for alarms
and emergency shut down.
16
NW Natural Confidential | Strategic and Competitive Information
LNG
• Peaking
• Temporary
• Satellite
• On site service
• LCNG
17
NW Natural Confidential | Strategic and Competitive Information
LNG
• Vehicles LNG
• Vehicles L-CNG
• Micro Scale gets us closer to
harder to serve markets.
• Next step: Clean Cities Legislative
concepts for rate base of LNG,
CNG Infrastructure.
18
PORTLAND STIRLING INC. Bio-methane gas coolers
Efficiently converting biogas to marketable RLNGfor transportation
Green Transportation Summit & Expo April 5th, 2016
The information included in this document is confidential and belongs to Portland Stirling Inc. No copies or transmission without approval.
19
The information included in this document is confidential and belongs to Portland Stirling Inc. No copies or transmission without approval.
20
• Transportation sector produces 41.9 MMtCO2e GHG emissions (WA, 2011).
• Landfills, WWTPs, dairies/feedlots 6.7 MMtCO2e.
• Total GHG emissions 91.7 MMtCO2e.
• Post-Trans Alta (2020), 78.9 MMtCO2e WA total.
• Transportation sector: 53% of 2020 total emissions.
The information included in this document is confidential and belongs to Portland Stirling Inc. No copies or transmission without approval.
21
• The 10 largest landfills, waste water treatment plants and dairy/feedlots produce 368,175 DGE/day of useable bio-methane (WA, 2013).
• On-road diesel use 1,799,671 gal/day (WA, 2014).
• Economically recoverable: 20% total diesel use.
The information included in this document is confidential and belongs to Portland Stirling Inc. No copies or transmission without approval.
22
• Flaring/CoGen/Process Heat: Least worst options.
• Electric Power: Uneconomic (2.3¢ kW-hr in WA).
• Pipeline Injection: $750K/mile (Yakima county).
• Gas Compression: High capital costs per capacity.
• Renewable LNG (RLNG): Proper equipment key.
The information included in this document is confidential and belongs to Portland Stirling Inc. No copies or transmission without approval.
23
Technical Solution:
• 𝜇LNG Gas Cooler 5m3/day.
• Right-sized gas clean-up.
• Primary focus is on efficiency (fewest kw-hours/gallon).
• No synthetic refrigerants.
• Recycle CO2 (greenhouses)
Carbon Negative RLNG:
• Displace diesel.
• Mitigate biogas emissions.
The information included in this document is confidential and belongs to Portland Stirling Inc. No copies or transmission without approval.
24
Don’t worry about it!
RLNG = LNG
Liquid Natural Gas (LNG)The Fuel of Choice for Fleet
Operators
Ray TateCEO
Now available anywhere!
LNG vs. CNG – Range and
Weight Benefits
AG&T offers real solutions for the Fleet
Transportation Industry!
www.agtlng.
com
LNG
• Same driving range as gasoline and diesel
• Almost same weight as gasoline and diesel
CNG
• 3.7 times the tank volume as LNG for same
America’s Fleet Fueling
Solution
AG&T offers real alternative solutions today!
www.agtlng.
com
• Onsite production and fueling of LNG
• Uses natural gas from existing utility pipes
• No need to truck in fuel
• Fully automated, skid mounted, patented
• $45 million invested to date
• No up-front cost to fleet operator
• Save on fuel and engine maintenance
Large vs. Small – LNG Supply to
Fleets
AG&T offers real solutions for the Fleet
Transportation Industry!
www.agtlng.
com
LARGE
SMALL
Utility company underground distribution
Cost Analysis of LNG
AG&T offers real solutions for the Fleet
Transportation Industry!
www.agtlng.
com
0 Liberty 300 Liberty 1800 Liberty 300
Cost of LNG at AG&T Stations
Raw cost of LNG per gasoline gallon equivalent ("GGE") 0.47 0.47 0.47 0.47
Transportation, transmission and distribution 0.25 0.25 0.25 0.25
Federal incentive - - (0.46) (0.46)
Equipment maintenance costs 0.14 0.14 0.14 0.14
Federal fuel excise tax 0.22 0.22 0.22 0.22
State fuel excise tax 0.01 0.01 0.01 0.01
State sales tax 0.06 0.06 0.06 0.06
AG&T's cost per GGE - before amortization 1.16 1.16 0.71 0.71
Amortization of liquefier 0.41 0.29 0.41 0.29
Amortization of vehicle conversions 0.66 0.65 0.66 0.65
AG&T's cost per GGE - after amortization 2.23 2.10 1.78 1.64
Without LNG Tax Credits With LNG Tax Credits
Liberty 1800