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Becoming More Sustainable. The Role of Technology Innovation. “Our future is a shared one with our customers, shareholders, employees and the communities in which we live and do business.”. Jack E. Davis President Pinnacle West Capital Corporation. - PNW Corporate Responsibility Report.
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Becoming More Sustainable The Role of Technology Innovation
“Our future is a shared one with our customers, shareholders, employees and the communities in which we live and do business.” Jack E. DavisPresident Pinnacle West Capital Corporation - PNW Corporate Responsibility Report
Pinnacle West Capital Corporation • Member of Standard and Poor’s 500 Index and traded on the New York Stock Exchange under the symbol PNW • Phoenix-based company with consolidated assets of about $11 billion and consolidated revenues of $3 billion • Three principal business segments include regulated electricity, real estate, and energy services marketing and trading • 7,300 employees • Ranks number one industry-wide in dividend growth over the last decade
Arizona Public Service Company (APS) • PNW’s largest subsidiary • Serves over 1 million customers across Arizona • 7th Largest service territory with growth 4 times U.S. average • Owns combined generation capacity in excess of 6,400 megawatts (MW) and operates plants with a combined capacity in excess of 10,000 MW • Ranked first among investor-owned electric utilities in the West and third among investor-owned utilities in the nation in J.D. Power and Associates' 2005 Electric Utility Residential Customer Satisfaction Study
Phoenix APS Retail Service Territory APS – Part of Arizona for 120 Years Arizona • Growth 3 X U.S. Average • 94 Years Old • 52 People/Square Mile APS • Growth 4 X U.S. Average • 120 Years Old • 29 Customers/Square Mile • 7th Largest Service Territory
History of Leadership • First EHS policy in 1973 • First utility to endorse Ceres Principles in 1994 • Published first EHS report for 1994 • Began incorporating Global Reporting Initiative (GRI) guidelines in 2000 • Published first Corporate Responsibility report in 2004
Leadership / Innovation • Ni-Mo inter-pollutant trade agreement • 1995 Climate Challenge • Renewables • Voluntary emission reductions • Fossil Creek
We’re Building An Energy System That Is Newer, Better, Cleaner, and Faster Diversity is the Key Conservation Renewables Demand Management Coal Nuclear NaturalGas
Renewables And Conservation: A Rapidly Growing Part of our Energy Future Diversity is the Key Conservation Renewables Demand Management Coal Nuclear Natural Gas
Energy Saving Tips and Rebates Helps Customers Keep Costs Down Rebate of Residents: $3 per watt Solar Panels Rebate of $250 for 14SEER Unit $400 for 16SEER Unit Sponsored Discount on High-efficient Light Bulbs
Our Customers Save Money Everyday with the Nation’s Largest Time-of-Usage (TOU) Rate Program Time-of-Usage Customers Megawatts Avoided 450,000 225 200 400,000 Now New Program Now New Program
But APS Faces Challenges Beyond Renewables and Efficiencies by 2025 Still needed DSM / Conservation Renewables 7,298 MW 2,563 MW
TechnologyA part of the solution • Improved efficiencies • Reduction of waste & recycling • Powering our future
Single Axis Trackers • Horizontal and Tilted Single Axis Trackers • New “truss” design eliminates need for deep foundation construction • Simplified mechanical design • Updating tracking controls and software • 3rd party interest
HCPV Development • Boeing Spectrolab “Space” cells • 38% conversion efficiency • 1kW prototype running at STAR • 2nd generation, 3kW unit assembled – waiting to test
Solar + Compressed Air Turbine • Concept is to compress air separately from solar cycle • Off-peak electric compression • Full turbine output during the day • SolarCAT development team • APS • Brayton Energy LLC • CEC • SMUD • SDG&E • Nyserda Standard Turbine – 60% of power is used in compression Turbine + Storage – Off-peak electric compression & storage
Saguaro Trough • Completed in December 2005 • First Trough project in the USA for over 15 years • First to marry a solar trough solar field to an Organic Rankine Cycle turbine power block • 1 MW Capacity
Biomass Pilots • Biomass • Eagar • 3MW forest waste • On-line February 2004 • Snowflake • 3MW forest waste • Under construction
Pinal County CAFO Project • Phase I – manure study • 36 feedlots in Casa Grande, Florence, Maricopa, Red Rock, Stanfield areas • 200,000 cattle within a 30 mile radius • 4.6 M Tons of manure annually • 70% pack, 30% slurry • Gasifier and digester technologies • Over 2,000,000 Chickens • Potential for over 30MW of generation capacity • Phase II – financial study 150 W 150 W
Renewable Energy - Electricity Generation • Biogas • Butterfield landfill • 70kW microturbine • 91st Avenue WWTP • Renewable methane purchase • 10MW generation at Redhawk
Geothermal Binary Power Plant • 350ºF brine pumped out of production well • Boils pentane in a heat exchanger • Cooled brine re-injected into the earth • Pentane vapor used to power a turbine/generator
Future Fuels - Demonstrations • Hydrogen refueling station • 502 Complex • Dispense Hydrogen, CNG and blends • All major credit cards accepted • Hydrogen Power Park • Industrial enclave powered by Hydrogen
Hydrogasification • Gasify carbon • Coal • Biomass • Manure • Synthetic natural gas (un-natural gas?) • $2.6M grant from DOE C + 2H2 + H2O CO2 + CH4
Algae • Use CO2 from Redhawk stack • Grow algae strains • Extract the lipid oil from the algae • Produce bio-diesel, methanol or methane • In one year a one acre algae farm can produce • 6,000gal biodiesel • 5,000 gal ethanol • 80,000 lb high protein animal feed
Esterification Fermentation Drying Co-Firing or Gasification Gasification & Reforming ALGAE HAS MULTIPLE ENERGY USES Biodiesel Ethanol, CH4 and Bioplastics Animal Feed Green Power Biohydrogen
Future Fuels - Demonstrations Scrubbed flue gas Sunlight Algae consume CO2 & NOX Flue gas in Flue gas in Algal biofuel out
Education and Outreach – Renewable Energy • APS’ Road to Renewable Energy Program • R2Re is a compilation of graphic posters, presentations and interactive worksheets for the classroom • Primarily focused on AZ school grades 4 - 9 • Available in three different formats: • CD • APS website http://www.aps.com/my_community/renewable/energy_1.html. • Book
SUSTAINABILITY OUR PATHWAY TO ENERGY SECURITY Ruins of a civilization which disappeared in the Four Corners area of the USA. Only their empty dwellings tell us they ever existed.