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Energy efficiency in facilities can be achieved by using best practices in LED lighting, co-generation, and wireless automation. This presentation covers the costs and benefits, where these technologies can be applied, and what funding is available to assist with return on investment (ROI). For more information visit www.brewer-garrett.com or call 888-774-9405.
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S. REDUCING ENERGY CONSUMPTION IN YOUR FACILITIES … NEWER TECHNOLOGIES, BEST PRACTICES TO MAKE THEM WORK AND PRACTICAL EXAMPLES WITH SOME UNCOMMON APPLICATIONS OF LED LIGHTING, CO-GENERATION & WIRELESS AUTOMATION SYSTEMS… THE COST AND BENEFITS, WHERE THESE TECHNOLOGIES CAN BE APPLIED AND… WHAT FUNDING IS
AVAILABLE TO ASSIST WITH THEIR ROI –
MEC
Feb 19th and 20th
H. Kelly Tisdale
The Brewer-Garrett Company
888-774-9405
AGENDA
LED technologies Performance Costs Practical Applications
Cogeneration MicroTurbines Natural Gas Engines Gas Turbines Practical Applications
Wireless Automation Zigbee EnOcean Practical Applications
Rebates
LED
Lumens Glare!!!!!!!
Watts Lumens per watt > 100
Life Directional Dimming OTHER
Manufacturer Osram Phillips Nichia Cree GE
LED ROI
Simple Payback 8 to 10 years
With Operational < 5years
Other Considerations Safety Color Rendering Comfort of Staff, Population
Cogeneration
Micro turbines up to .5MW Usually 65kW increments Natural Gas Fired… Recuperators Capstone
Gas engine .3 to 5MW Diesel or Natural Gas Waukesha, Caterpillar
Turbines 3MW plus Solar – Saturn, Taurus, Mercury, Mars, Titan
Gas Micro-Turbines• Combine energy conservation/efficiencies with on
site production of electricity (co-generation)• Local production and local consumption significantly
reduces transportation and distribution costs• Installation of high efficiency gas microturbines to
produce on-site electricity and reduce GHG emissions
AbsorbersTriGeneration
CoGeneration >.3MW<5MW
Co-Gen 3MW +
Financial
At $5 per MCF gas $.08 per kWh
Payback may be as little as 3 to 4 years Requires Cogeneration mode 100% heat utilization
Micro-Turbine
200kW Unit Cost = $390,000 ($1950/kW) 8,000 hours 1,600,000 kWh = $128,000 4,143 mmBtu = $20,715 Purchased Gas = 16,480 mmBtu = $82,400 Net Savings = $66,315 Simple Payback = 5.88 years Maintenance = $15,000/year Simple Payback with Maintenance = 7.6 years
Natural Gas / Internal Combustion
375 kW Unit Cost = $588,000 ($1568/kW) 8,000 hours 3,000,000 kWh = $240,000 9,800 mmBtu = $48,999 Purchased Gas = 28,355 mmBtu = $141,776 Net Savings = $147,223 Simple Payback = 3.99 years Annual Maintenance = $28,000 Payback with Maintenance = 4.9
Turbine 4,600 kW Unit Cost = $9,600,000 ($2087/kW) 8,000 hours 36,800,000 kWh = $2,944,000 204,422 mmBtu = $1,022,112 Purchased Gas = 326,158 mmBtu = $1,630,792 Net Savings = $2,335,320 Simple Payback = 4.11 years Annual Maintenance = $345,000 Simple Payback with Maintenance = 4.82 years
Requirements
Long Term Gas Contracts Currently 5 years Expect longer soon Ability to negotiate with Well Driller
Constant Load is Best for Driller Utilizing own natural resource
Heat Load Process Loads Terminal Reheats Domestic Hot Water Swimming Pools Absorbers
Payback
Typical turnkey installation is now less than 10 years
Utilizing waste stream can qualify for REC credits
Types of Wireless
Zigbee EnOcean WiFi Bluetooth
EnOcean - Energy Harvesting Wireless Technology
Energy Harvesting Photovoltaic Panels Kinetic Energy Small Packets of Information
Expansion 160 Manufacturers (and growing) making 2,000 products
worldwide Siemens GE Leviton Osram
• Interchangeable
Dorm Room Automation
• EnOcean has been proven for past 10 years• Hospitality industry installing with enormous
success• System is extremely secure• Solution
Install Valves and Wireless Relays on heating / cooling equipment
Install Thermostats Install Occupancy Sensors Install Window Sensors Include Smart Power-strips
• Logic Set back system when window opens or unoccupied
Dorm Room Automation• Student Interface
Smart phones or computers Can view and change room conditions from
anywhere Facilitates aggressive setbacks while
providing building protection (min/max controlled by KSU)
Can “turn off the iron” remotely Integrates into Green initiatives Potentially a revenue stream - “Joe’s Pizza” Potential notification system – “Don’t forget
tonight’s basketball game!” Sell student on comfort and interaction
w/technology
Payback
Tstat Valve Occ Sensor Window Sensor Cost = 500
Payback 10years Room Utility $200
Rebates/ REC credits
REC credits – 2 to 3 cents per kWh Rebates
Available in almost all utilities Usually prescriptive and custom Almost anything can be applied for on a custom
basis with good logic Different utilities have different thesholds
Questions?
For more information call H. Kelly Tisdale at
888-774-9405