energy strategic plan - la metro home | getting started
TRANSCRIPT
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Energy Strategic Plan Los Angeles Community College District
Community College League Conference
Tom HallDirector, Facilities Planning and Development
May 28, 2008
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LACCD & Sustainability • In 2002
– The Los Angeles Community College District adopted a “Policy of Sustainability”
• Very progressive for the time “10% Renewable Energy”• LACCD becomes:
– One of the Original Signatory Members of the Clinton Climate Initiative
• In conjunction with the new building program – Board declares all new buildings will be at least LEED
Certified• Currently rolling out a district wide recycling• Aggressively moving toward a “Carbon Neutral”
platform and “100% Renewable Energy”
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LACCD Comprehensive Energy Strategic Plan
A Paradigm Change:1. Reconceptualizing Central Plants with
efficient Renewable Energy2. Conserving resources by managing the
demand through Performance Contracts3. Adding Non-carbon Energy Sources
• One MW Solar/PV per campus• Hydrogen• Geothermal• Wind
4. Sustainable Curriculum Program
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West Los Angeles College
Total Elec. Consumption
7,216,762 kW
Total Gas Consumption
5,961 MMBTUs
Total Water/Sewer 34,625 kgals
Overall Avg. Operating Annual Budget
$2,498,570
First step establish a baseline
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BASELINE vs CENTRAL PLANT LIFE CYCLE COST COMPARISON
$0
$500,000
$1,000,000
$1,500,000
$2,000,000
$2,500,000
$3,000,000
$3,500,000
$4,000,000
0 5 10 15 20 25
Years
Baseline Central Plant
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Renewable Central PlantObjectives
• One Central High Efficiency Sustainable Source for Hot Water and Chilled Water
– Heating and Cooling• Meet current demand with expansion
capability for future facilities and needs• Provide power for clusters of buildings • Digital Control System
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Central Plant Features• Solar Heat Tube
– Hot Water – near steam• Absorption Chillers (Multiple Units)
– Chilled Water for Air Conditioning• Thermal Storage – Ice• Hot Water Boiler / Heater • Ground Source Geothermal• Co-Generation – Electricity and Heat
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• Renewable Hydrogen (H2 ) is based on water electrolysis is the only pathway to deliver a zero-emission energy cycle
• H2 is the ideal medium for storing electricity for on-demand distributed power generation and fueling
• Scale-up of renewable power and High Efficiency Storage (HES) solutions will address “clean and secure” energy requirements
• Wind power is becoming “low-cost” energy solution– New designs are now available
• Advanced solar technology and volumes driving lower costs– Significant potential for home energy applications
Distributed Energy Solutions
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Central Plant Costs
• Proposition 39 bond resources• SS. 5956 Private sector financing• AB 1492 – State of California Financing
through the Foundation for California Community Colleges– Lowest Cost Borrowing– Requires Intercept Mechanism
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Performance Contracts• Retrofit all energy consuming elements for maximum
efficiency • LED Lighting• Install conservation features in all buildings
– Insulation– Low-E Glass– White Roof– Green Roof
• State of the art and new technologies – Energy Efficient Equipment
• Metering and Monitoring Systems
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Performance Contract Financing
• Design – Installation – Financing By Private Sector• SS. 4217 Contract – 25 year payback maximum• Uses Private Sector Funding• Guaranteed Payback within existing utility charges• Incentive Funds Available from California Public
Utility Commission and municipal programs administered by the utilities
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Performance Contract Arithmetic
• Electric / Gas Bill Before Energy Measures- Annual
• Electric / Gas Bill After Energy Measures - Annual
• Difference (Amount Available for Payback) - Annual
• $1,000,000
• $ 800,000____________
$ 200,000
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Adding Non-carbon Energy Sources• Starting with One Megawatt Solar / PV
– Private Sector third party to install– Parking Lots and Roofs
• Hybrid systems with storage – Hydrogen– Ice– Battery
• Future technology innovations– New Generation Wind Turbines– Hydrogen Fueled Microturbines– Ground Source Geothermal
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Initial SOLAR Cost Concept• Solar PV
Private Sector firm will install system and sell electricity equal to utility costSystem will be net metered
• Solar HeatpipeProvides free energy source for cooling and heatingRenewable and sustainable
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Photo Voltaic Incentives• California Public Utility Commission
– $3 billion over 11 years• Solar / PV incentives
– Investor-Owned Utility Groups such as(PG&E, SDG&E, SCE and SoCalGas)
– Department of Water and Power (DWP)• National Energy Act (05) with incentives
in 06• Aggregated buying of systems
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Renewable Energies Arithmetic• Federal Energy Credit – 30%• Rapid Depreciation – 25 %• Utility Incentives – 20 %• Green Tag Sale – 5% (?)• Bulk Procurement – 10 % (?)• New Market Tax Credit – (?)• 10 Cents on the Dollar !!!
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Developing a Sustainable Curriculum
• Career tech education– Developing courses in green technologies
• Development of transfer courses– Developing classes in Sustainability– Infusing Sustainability into course curriculum
• Community Education– Forums– Lecture Series– Student-taught Seminars
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• Green Buildings on different Campuses – focus on technology and learning from actual projects
• Courses offered as:– certificated, licenses and advanced degrees
• Career opportunities and training for:– jobs, new companies and advanced degrees
• Collaborate with:– unions, private businesses, public, government and non-profit sectors
• Provide actual experiences– on campus through building programs
• Sustainable Development Curriculum: – solar, wind, geothermal, hybrid technologies, economics, etc as well as new businesses, life cycle accounting, investment, operations and maintenance
•Impact on Climate Change –– the solutions for global warming are available today for immediate implementation
Unique Learning Environment
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Off The Grid !!
• Using current and future Proposition 39 bond resources
• Buy Out– Central Plant Loans– Performance Contracts– Photovoltaic / Fuel Cell Installation
• No Future Energy Cost !
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Vacuum Tube Heat-pipe Collectors and Architectural Design Possibilities
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A fuel cell is a device that generates electricity by a chemical reaction
Fuel Cell Basics
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Fuel Processor Module
(Reformer)
-
reforms natural gas (CH4) into hydrogen rich gas (reformate) for use by fuel cell.
Power Generation Module
(Fuel Cell)
-
uses hydrogen in reformate
to produce electricity (DC voltage)
Power Conditioning Module
(Inverter)
-
converts DC Voltage produced by the Fuel Cell into AC Voltage (240VAC) for use by the grid.
Fuel Cell System -
3 major modules
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Integrated Fuel Cell System• Direct energy conversion• Low maintenance and
capital costs• More environmentally
friendly
• Quiet operation• Scalable• No transmission and
distribution losses
NaturalGas or
Propane
Fuel Processor
Heat and Water
DC PowerFuel CellStackHydrogen Power
Conditioner AC Power
Air
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Power Generation• Fuel & Air Delivery
• Cooling
• Waste Heat Capture
• Integrated Controls
– Fuel Processor
– Stack/Balance of Plant
– Inverter/Grid
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Anaerobic Phased Solids Digestion Technology
An advanced and technically validated approach to the problem of handling a wide variety of problematic organic waste materials
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Wind Power Costs are competitive with natural gas
• Wind Power uses wind to create electricity
• Accounts for around 1% of California’s electricity supply
• On-site Generation• The turbine
technology and costs have changed.
• Courtesy of California Energy Commission and Distributed Energy Systems 2006 (modified)
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