Solar Arizona: A solar energy tour of Arizona The vision of a solar Arizona – a place where significant amounts of clean energy are generated from the power of the sun – may be closer than you think. In this CD, compiled by the Arizona Department of - PowerPoint PPT Presentation

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Solar Arizona: A solar energy tour of Arizona The vision of a solar Arizona – a place where significant amounts of clean energy are generated from the power of the sun – may be closer than you think. In this CD, compiled by the Arizona Department of


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Title: Solar Arizona: A solar energy tour of Arizona The vision of a solar Arizona – a place where significant amounts of clean energy are generated from the power of the sun – may be closer than you think. In this CD, compiled by the Arizona Department of

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Solar ArizonaA solar energy tour of ArizonaThe
vision of a solar Arizona a place where
significant amounts of clean energy are generated
from the power of the sun may be closer than
you think. In this CD, compiled by the Arizona
Department of Commerce Energy Office, youll
learn of ongoing efforts to maximize the
utilization of renewable energy across the state.
Solar ArizonaOctober is Solar and Renewable
Energy MonthGovernor Jane D. Hull has declared
October 2002 as Solar and Renewable Energy Month.
The Arizona Department of Commerce Energy Office
is working with the solar community to stage
events throughout the state.
Solar ArizonaOct 4-6 Green Building Expo
Phoenix Oct 5 STAR Center Tour Tempe Oct 5
Flagstaff Solar TourOct 5 Prescott Solar
TourOct 5 Women for Sustainable Technologies
Conference. -- Tucson Oct 9-12 EEBA Conference
PhoenixOct 10-12 Solar Electric Training --
TucsonOct 12 Sedona Solar Tour Oct 19 Valley of
the Sun Solar Tour Oct 26 Solar Seminar --
Douglas Oct 26 27 Hot Topics and Cool Solutions
Conference -- TucsonOct 26-27 Tucson Solar Home
TourOct 30 Solar dedication Prescott Airport.
Solar Arizona Calex Homes, in a joint venture
with SRP, has introduced both Solar Water
Pre-Heating and Photovoltaic Energy (Electricity)
in new home construction in three east valley
subdivisions. The system at the right is a 1.4 kW
photovoltaic system on a house under construction.
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Solar Arizona The completed house at Johnson
Ranch Lakeview Gardens (Calex Homes) has both a
photovoltaic and solar water heating system.
Sandia Labs is monitoring the solar water heating
system to obtain vital information on energy
efficiencies and benefits of this
state-of-the-art solar water heating system.
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Solar Arizona SRP has installed the latest in
Photovoltaic Panels, including PV shingles
(center house) that match the color of the roof.
Preliminary estimates indicate these systems will
produce one (1) KW of electricity, which should
be sufficient to supply 20-60 of the required
power, depending on the season.
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Solar Arizona This home (bottom) in Johnson Ranch
Estates in the East Valley has four 300-watt
panels that cover approximately 104 square feet
of the roof surface. The array on the adjacent
building (top) consists of 12 85-watt panels
that covers 108 square feet of rooftop.
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Solar Arizona Calex Homes has teamed with SRP to
offer solar options on homes in The Estates at
Johnson Ranch and Lakeview Gardens at Johnson
Gardens. This model home in Johnson Ranch
Estates has a 1.2 kW photovoltaic array on the
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Solar ArizonaAs these homes demonstrate, the
solar industry has made great strides in the past
decade to integrate solar systems into the roofs
of homes. This new generation of solar systems
have quietly found their way onto rooftops
throughout Arizona, offering an aesthetically
pleasing alternative to the systems of the 1980s.

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Solar Arizona "What we're literally doing here is
building a small power plant one house at a
time," said John Wesley Miller,
developer/homebuilder of the 99 high-tech solar
homes in Tucson's historic Armory Park
neighborhood. Homes include solar water heating
and solar electricity.
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Solar ArizonaA 2.4 kw PV system being installed
on a roof in a Scottsdale subdivision. The
system is one of a growing number of
grid-connected homes in urban areas that are
taking advantage of utility rebates and tax
credits to finance systems with favorable payback
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Solar ArizonaThe 2.4 kW PV system on this
Scottsdale house is eligible for a 4,800 utility
company rebate and a 1,000 state tax credit.
The Arizona solar tax credit is 25 of the system
cost up to a maximum of 1,000. The tax credit
(ARS 43-1083) has been in existence since 1995..
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Solar ArizonaThis 1 kW PV system in Scottsdale
consists of 20 50-watt solar panels. The house
is grid-connected, thus the homeowners can sell
solar generated electricity back to the utility
company if the house does not have a demand for
the electricity at the time it is produced.
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Solar ArizonaThis Prescott house does not stand
out from the others in the neighborhood, however
it is different. The house collects rainwater
for all household purposes. It utilizes solar
electricity and solar water heating. It is built
with certified sustainably harvested and local
'leftover' wood and utilizes cast earth and
strawbale construction.
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Solar ArizonaDesigned by Prescott College
student Brad Tito, the house uses a fraction of
the energy the previous house on the same site
consumed. That house was about one-quarter the
size of the new one but consumed more than four
times the energy. This past January the utility
bills were 22 for gas (used for cooling and
water heating) and 4.23 for electricity.
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Solar ArizonaSolar isnt exactly a new
phenomenon, Arizonans began building solar homes
(passive and active) in the 1970s in response to
the Energy Crisis. This home, in Flagstaff, is
just one of many built throughout the state in
the late 1970s. The passive solar features
provides more than 55 of the homes heating
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Solar ArizonaAnother example of the alternative
building methods employed during the 70s and 80s,
this Tempe solar home is 68 percent earth covered
or earth bermed. Built in 1981 this homes
features include a rock bed for heating and
cooling, an attached greenhouse and a solar
domestic water heating system.
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Solar ArizonaThis 1850 square foot residence in
Prescott is made of Poured Earth and features
solar for all electrical needs and hot water. The
home also uses passive solar power and its 16"
thick thermal walls for both heating and cooling.
Backup heat is provided by a radiant floor and a
high efficiency wood stove.
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Solar ArizonaSolar energy is a great way to heat
swimming pools. Using the existing pool pump,
water is diverted to the solar system. It then
passes through the collectors, where the water is
heated by the suns radiant energy. Next, the
water is returned to the pool to repeat the cycle
until the pool has been warmed.
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Solar Arizona In many cases, solar rooftop
systems are barely noticeable. Planned
communities and Homeowner Associations, once a
barrier to growth in the solar industry, have
dropped their objections to rooftop systems. ARS
33-439 protects the rights of homeowners to
install and use solar systems on their property.
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Solar ArizonaSolar energy has long been used in
areas of the state that are not serviced by the
electric utility company. This off-grid solar
house on the Navajo Reservation was constructed
by the local coal company when the original
housing structure had to be removed due to mining
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Solar ArizonaAt the Backus Ranch in central
Arizona, this PV system, installed in 1980,
provides the only source of power for a family
ranch house. In areas throughout Arizona that
are beyond the utility lines, PV systems are
often much cheaper for the rancher than paying
for a utility line extension.
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Solar ArizonaThis 900-watt solar electric
system near Sedona runs a 5-horsepower water
pump. The pump draws water from 860 feet deep.
PV water pumping systems are common throughout
Arizona in areas where utility power is
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Solar Arizona Civano, a planned energy-efficient
community in Tucson, includes a neighborhood
center equipped with a 6-kW PV system. Civano
homes are 30-60 more energy efficient than the
typical home. The initial planning stages of the
Civano Project and the community center were
funded by the Arizona Energy Office.
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Solar Arizona To meet the reduced energy goals
set for the community of Civano, the builders
offer various energy efficient and renewable
energy optionsAmong the options are photovoltaic
grid-tied systems, solar hot water heaters, and
thermal mass design and masonry construction.
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Solar ArizonaThis photo offers a birds-eye view
of the Civano development. Various renewable
energy options are available to homebuyers
including passive solar design, solar water
heating and photovoltaic systems
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Solar ArizonaA cool tower and shaded entrance
patio highlight front of building at the Global
Solar Manufacturing facility in the community of
Civano. Global Solar is a manufacturer of
thin-film PV products and a major employer in the
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Solar ArizonaThe TEP Sunshare program pays a
rebate to customers who install solar electric
systems on their homes. To date, 24 Tucson area
homeowners have taken advantage of the utility
companys program and have received rebates
ranging from 2,000 to 10,000.
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Solar ArizonaCity of Tucson Southeast Service
Center The Citys main objectives in undertaking
this project were to design and build a
commercial office building using commercially
available energy efficient products and to
educate staff, consultants and contractors in
application methodology.
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Solar ArizonaGlendale West Area Water
Reclamation FacilitySolar panels generate hot
water and electricity for the administration
building. The panels also facilitate passive
solar heat gain in the winter. The PV system
generates over 12 kW per hour of electricity.
The panels provide shade for walkways and
south-facing glass.
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Solar ArizonaThe Safford Middle School PV
installation was completed in the fall of 2000.
The 4 kW system was a joint venture of many solar
organizations in the state and was funded through
a MSR grant from US DOE. Safford is one of 14
schools in the state that have gone solar.
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Solar Arizona Solar Pond Aerator Somerton
Municipal Wastewater Treatment Plant Somerton
estimates a 100 savings on energy costs to
operate the 40hp Blower system due to the blowers
being completely shut off. The estimated cost of
electricity saved is 1,080 per month (12,960
per yr).
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Solar ArizonaA 25 kW PV systems sits overlooking
a landfill in Central Arizona. The system was
developed by APS has part of a federal grant
through the Arizona Energy Office to displace
diesel generators. The system at the Graywolf
Lanfill made immediate economic sense for
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Solar ArizonaThis pole mounted photovoltaic
system powers a light at a trail entrance in the
Tonto National Forest. Utility grid power was
several miles from the site and line extension
had to be underground, meaning that solar
electricity was the least-cost alternative on a
first-cost basis.
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Solar ArizonaTop -- Wing walls and overhangs
protect insulated window walls yet provide day
lighting deep into the Sierra Vista Library.
Middle -- From the west, massive wing walls
protect windows from direct sun and create shade
spaces outdoors in the park. Bottom -- At the
north energy clear insulated roof panels provide
day lighting for the northern portions of the
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Solar ArizonaThe design of the Sierra Vista
Library -- with south and southwest-facing glass
dictated the use of low-e thermal pane glass and
window overhangs with fins. With its use of
natural daylighting and other features, the
annual energy use for the new building is
estimated to be one-half of the national design
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Solar ArizonaInstalled in 1998 this system
preheats 50,000 gallons of water daily for use by
more than 1500 federal inmates and staff at a
prison north of Phoenix. The hot water is used in
the laundry, kitchen, and shower areas. Data
indicate that the system saves about 6,000 in
electricity costs per month.
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Solar Arizona Parabolic troughs are used to heat
water for the Federal Correctional Institution
north of Phoenix. During normal use, a tracking
device keeps the troughs at the correct angle to
capture the most solar energy. The system was
installed as part of an Energy Service
Performance Contract where a third party covers
the cost of the system and is repaid from the
cost savings.
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Solar ArizonaThis large solar thermal system was
installed at a new barracks facility at Fort
Huachuca Army Base in Sierra Vista, Arizona. This
building-integrated system was ground-mounted for
ease in maintenance.
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Solar ArizonaGould Electronics of Chandler, has
had its parabolic-trough collector system since
1982. An example of the use of oil for heat
transfer, the system provides process water for
copper foil production.
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Solar ArizonaUS Department of Energy helped
design the solar water heating system at the
Maricopa County Outdoor Education Center. The
system serves as an educational tool while
providing real energy, cost, and emissions
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Solar ArizonaThis 2 kW PV system provides an
uninterruptible power system for the US
Department of Interiors Bureau of Indian Affairs
at the Havasupai School in Supai Village. The
village is located at the bottom of the Grand
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Solar ArizonaThis parking ramada is located at
the Yuma Proving Ground in southwestern Arizona.
As can be seen in the photo, the structure is an
excellent source of shade in the hot desert
climate. What cant be seen is that the PV
panels generate clean power to charge the
electric carts used on site.
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Solar Arizona On the Utah/Arizona border,
Dangling Rope Marina at Lake Powell was one of
the first PV installations in the National Park
Service to replace electricity produced by
diesel generators.
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Solar Arizona Two communications towers at a
remote Arizona location are powered by a 25kW
hybrid PV/diesel system. The Carol Springs
Mountain system went on-line in Aug 1995
replacing a diesel generator that ran 24/7. The
PV system powers towers for ATT, US West, and a
TV station in Tempe.
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Solar Arizona TEP operates one of the worlds
largest PV power stations -- a 1.4 MW
ground-mounted system in northeastern Arizona.
The plant will be expanded to 2.4 MW of
generating capacity by the end of 2002. The plant
began generating electricity one month after
construction started in June 2001. The entire
system was on-line in five months.
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Solar ArizonaTEP also has a 200 kW solar power
plant at its DeMoss Petrie Station in Tucson.
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Solar ArizonaThis SRP Solar Power Plant
consists 588 modules covering approximately
24,418 square feet. The array DC power is
converted to 208 Volts AC and interconnected to
the SRP distribution system by a 12.47 kV
isolation transformer. The ac power rating is 200
kW. The PV system is located at SRP's Agua Fria
Generating Station.
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Solar ArizonaThe largest system under test at
APSs Solar Test and Research (STAR) Center is a
high-performance concentrating PV power
generator. Although not suitable for small
projects, concentrator systems have very good
potential for large-scale power generation.
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Solar Arizona The concentrating collector at the
STAR Center produces 20 kW of electricity, or
about enough to power five Phoenix-area homes.
Systems like these may someday provide power for
entire communities. Presently, a system similar
to this is under construction near the Prescott
Airport in the northern part of the state.
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Solar Arizona APS is evaluating the performance
of the latest in dish/Stirling solar power
systems at its STAR Center near Phoenix. Capable
of producing 25 kW of electricity, the system
uses mirrors to focus sunlight onto a thermal
receiver, which runs a Stirling heat engine,
which drives an electric generator.
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Solar ArizonaOnce perfected and manufactured on
a large scale, the dish/Stirling engine has the
potential to become one of the cheapest solar
energy technologies available.
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Solar ArizonaAPS and Embry-Riddle Aeronautical
University jointly constructed a 190 kW solar
power plant north of Prescott. Opened in March
2001, the solar power facility produces enough
energy to power 25 to 40 homes.
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Solar ArizonaThe 125-kW APS solar power plant
located in Gilbert consists of 10 solar arrays,
which will track the sun from east to west on a
single axis. The plant, which was dedicated in
April 2001, feeds directly into the APS electric
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Solar ArizonaIn 2001, Glendale partnered with
APS to build the worlds first commercial
application of high-concentration PV arrays at
the Glendale Municipal Airport. This technology
tracks the suns movement and employs special
lenses to magnify the suns rays 250 times onto
each solar cell.
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Solar ArizonaBoyce-Thompson Arboretum rests at
the base of the Picket Post Mountains of central
Arizona, east of Superior. Established in 1920,
the arboretum/botanical garden, cultivates desert
plants from all over the world. The Arboretum is
part of APS Project Sol and is outfitted with
a 2 kW solar array on its visitor center.
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Solar ArizonaChallenger Learning Center is an
innovative educational center exploring the
wonders of outer space. Located northwest of
Phoenix, the Center offers space exploration
programs for students and the public. The
Centers roof also supports a 2 kW solar array
that provides additional educational experiences
for students.
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Solar ArizonaThe Desert Outdoor Center at Lake
Pleasant is also part of the APS Project Sol.
Located north of Phoenix, the Center interprets
the region's flora, fauna and geology through a
variety of programs open to the public. A 2 kW
solar array provides power to the Center.
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Solar ArizonaLowell Observatory is the perfect
location for a solar array. Well known for both
its astronomical research, Lowell Observatory was
established by Percival Lowell in 1894. From the
observatory on Mars Hill, scientists discovered
the planet Pluto and established first evidence
of an expanding universe.
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Solar ArizonaNamed for Arizona writer/historian
Sharlot Hall and housed in the Arizona
territorial Governor's Mansion in Prescott, a log
home built in 1864, the museum displays artifacts
from Arizona's pioneer era. The museums visitor
center has a roof mounted 2 kW solar array.
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Solar ArizonaAPS and the City of Scottsdale have
partnered to build 186 kW of solar generation at
the Citys facilities. Projects include solar
covered parking, on a library and water tanks.
The City also purchases solar energy under the
APS Solar Partner Program.
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Solar ArizonaAPS and the City of Scottsdale
partnered on a solar power plant at the
Scottsdale Water Campus. The facility feeds 300
kW of solar energy enough to provide for the
electrical needs of up to 100 homes to the
electric grid.
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Solar ArizonaLocated on the grounds of the APS
Solar Test and Research Center (STAR Center) in
Tempe, this solar plant generates 182 kW of solar
energy for use by all APS customers.
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The following organizations contributed photos
for this CD Al Nichols EngineeringArizona
Energy OfficeArizona Solar CenterArizona Public
ServiceAz. Solar Energy Ind. AssociationAmerican
SolarCalex HomesCity of Glendale City of
TucsonJohn Miller HomesLiving Systems
Architecture Dr. Martin J. Pasqualetti Prescott
CollegeSalt River ProjectUS DOE -- NREL
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