Solar power in Arizona

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Insolation on developable areas of the SW United States.

Solar power in Arizona has the potential to, according to then-Governor Janet Napolitano, make Arizona "the Persian Gulf of solar energy". In 2012, Arizona had 1,106 MW of photovoltaic (PV) solar power systems, and 6 MW of concentrated solar power (CSP), bringing the total to over 1,112 megawatts (MW) of solar power. The Solana Generating Station is a 280 MW parabolic trough solar plant which is the largest plant of its type in the world.[1][2] Solana includes 6 hours of power storage by molten salt. The plant will provide 5% of the power from Arizona Public Service, the state's largest utility.

A Renewable Portfolio Standard set by the Arizona Corporation Commission requires 15% renewable energy by 2025 among regulated utilities, 4.5% of which must come from distributed renewable energy sources. As of January 30, 2013, 19 projects, with a total nameplate capacity of 13.450 gigawatts (GW) are actively seeking permission to build on federally owned BLM land in Arizona,[3][4] and one, the 300 MW Sonoran Solar Project has been approved.[5]

History

Solar Array
Arizona State University solar array

The first commercial solar power system in the state is the 1997 95 kilowatt (kW) single-axis tracking photovoltaic plant in Flagstaff, Arizona, operated by Arizona Public Service (APS). In 1999, the city of Scottsdale covered an 8,500 square feet (790 m2) parking lot with photovoltaic panels, to both provide shaded parking, and generate 93 kW of solar power. In 2001 APS and Embry-Riddle Aeronautical University constructed a 190 kW single-axis tracking photovoltaic power plant.

In 2001, the Springerville Generating Station Solar System was built by Tucson Electric Power, one of the first large scale photovoltaic power stations. Originally 4.6 MW, it has been expanded to 6.4 MW.[6][7] In 2002, Love Field Airport, in Prescott, Arizona, began construction of a 5 megawatt (MW) photovoltaic power plant. By July 2006, it had a peak capacity of 2.879 MWAC.[8][9]

The two operating concentrated solar power plants are the 1 MW Saguaro Solar Power Plant completed in 2005, the first commercial CSP plant of the 3rd millennium, and a 5 MW solar trough system at the University of Arizona Solar Tech Park project which was completed in 2011.[10] The 280 MW Solano Generating Station is under construction. The 1.5 MW Maricopa Solar Power Plant completed in 2010, using Stirling dish technology,[11][12] was decommissioned in September 2011 and sold at auction on April 17, 2012[13] to CondiSys Solar Technology of China, for $250,000.[14]

In 2008 Governor Janet Napolitano said that Arizona had the potential to become "the Persian Gulf of solar energy".[15] In 2012, the NREL determined that Arizona has the potential to install 5,147 GW of photovoltaic power plants, and/or up to 3,528 GW of concentrated solar power plants (CSP), sufficient to generate more than three times total US consumption in 2012.[16] According to a study by the Solar Energy Industries Association (SEIA) and GTM Research, Arizona installed over 55 megawatts of solar power in 2010, doubling its 2009 increase of 21 MW, ranking it behind California (259 MW), New Jersey (137 MW), Florida (110 MW), and Nevada (61 MW).[17] By the end of 2011, Arizona had installed 383 MW of photovoltaics, in third place, behind New Jersey, and California.

In 2012 the first 100 MW of the Agua Caliente Solar Project was connected to the grid, making it the largest photovoltaic power plant in North America, and third largest in the world, being slightly larger than the 97 MW Sarnia Photovoltaic Power Plant. By July over 200 MW had been completed, making it the largest photovoltaic power plant in the world.[18] By September 2012, 250 MW (AC) had been completed.[19]

In January 2013, 150 MW of the 700 MW Mesquite Solar project photovoltaic power plant was completed.[20]

The Solana Generating Station completed testing in October 2013. The 280 MW parabolic trough solar plant is the largest plant of its type in the world.[1][2] Solana includes 6 hours of power storage by molten salt. The plant will provide 5% of the power for Arizona Public Service, the state's largest utility.

Historically, Arizona has had one of the most successful solar incentive programs in the United States. However, as of February, 2013, the Arizona Corporation Commission has completely eliminated commercial incentives and has severely reduced the amount of residential incentives available.[21] Still, some of the country's largest solar providers continue to do business in the state, including the largest solar contractor in the US, First Solar.[22]

Community solar farms

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Main article: Community solar farm

Arizona has two community solar farms. Tucson Electric Power has a 1.6 MW community solar farm southeast of Tucson. Consumers can purchase 150 kWh for about $3/month. The 227 kW Trico Sun Farm in Marana allows Trico customers to purchase solar panels in one quarter increments for $920, and receive a credit of the output, about 36 kWh, each month for 20 years, worth about $5.[23] Customers can purchase up to their average usage for the last 12 months, up to 10,000 watts.[24]

Statistics

Capacity

Arizona Solar Capacity (MWp)[25][26][27][28][29][30][31]
Year Photovoltaics CSP
Capacity Installed % Change Capacity Installed % Change
2007 18.9 2.8 17 1 0
2008 25.3 6.2 34 1 0
2009 46.2 21.1 83 1 0
2010 110.0 63.6 138 2.5 1.5 150
2011 397.6 287.8 261 6 3.5 140
2012 1106.4 708.8 178 6 0 0
2013 1563.1 423.7 37 256 250 4200
2014 2,069 287.8 32 256 0 0
2015 2,303 234 11 256 0 0

Generation

Arizona solar electric generation:[32][33][34][35]

2015 Monthly Solar Profile for AZ[36]
AZ Solar Energy Profile 2014

[37]

Year Generation
(GWh)		 Generation
(% of AZ total)		 Generation
(% of US Solar)
2010 16 <0.1% 1.3%
2011 83 0.1% 4.6%
2012 955 0.9% 22.1%
2013 2,041 1.9% 23.4%
2014 3,101 2.8% 16.9%
2015 3,516 3.1% 13.3%

Beginning with the 2014 data year, Energy Information Administration will estimate distributed solar photovoltaic generation and distributed solar photovoltaic capacity. [38]These non-utility scale estimates project that, in 2014 Arizona, generated [39] a further 916 GWh and in 2015 an additional 1,140 GWh of solar electricity from such distributed PV systems.

Large projects

MW Name County Location Technology Notes
397 Agua Caliente Solar Project Yuma County Palomas Plain
Lua error in package.lua at line 80: module 'strict' not found.[40]		 photovoltaic 250 MW AC (roughly 300 MW DC) online September 2012[41]
300 Arlington Valley Solar project I and II Maricopa County west of Arlington photovoltaic
150 Mesquite Solar project Maricopa County west of Arlington
Lua error in package.lua at line 80: module 'strict' not found.		 photovoltaic 150 MW phase 1 completed January 2013,[42] up to 700 MW planned
280 Solana Generating Station Maricopa County southwest of Phoenix
Lua error in package.lua at line 80: module 'strict' not found.[43]		 parabolic trough with 6 hours storage [44]

Proposed large projects

MW Name County Location Technology Notes
1,200 Sterling Solar Generating Facility Mohave County southeast of Needles, CA
Lua error in package.lua at line 80: module 'strict' not found.[45]		 photovoltaic [46][47]
340 Hualapai Valley Solar Project Mohave County Hualapai Valley
Lua error in package.lua at line 80: module 'strict' not found.[48]		 parabolic trough [49][50]
325 Hyder Valley Solar Energy Project Yuma County Palomas Plain
Lua error in package.lua at line 80: module 'strict' not found.[51]		 parabolic trough 200 MW phase 1, 125 MW phase 2
300 Sonoran Solar Project Maricopa County south of Buckeye
Lua error in package.lua at line 80: module 'strict' not found.		 photovoltaic [52] Approved late 2011[53]
215 Crossroads Solar Energy Project Maricopa County west of Gila Bend
Lua error in package.lua at line 80: module 'strict' not found.		 solar power tower with 10 hours of heat storage; 65 MW of PV [54][55][56]
100 Quartzsite Solar Energy Project La Paz County north of Quartzsite
Lua error in package.lua at line 80: module 'strict' not found.		 power tower [52]

Net metering

As of October 16, 2008, Arizona has one of the best net metering laws in the country. Excess generation is rolled over month to month, and any surplus is returned annually to the consumer at the avoided cost rate.[57] IREC best practices, based on experience, recommends perpetual roll over of kWh credits.[58]

Renewable Portfolio Standard

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Main article: Renewable portfolio standard

The Arizona Renewable Portfolio Standard calls for 15% renewable energy by 2025, and 4.5% (30% of that) from distributed generation from renewable sources. Renewable Energy Certificates (RECs), may be purchased to meet the requirement.[59]

Arizona Solar Business Directory

The Arizona Solar Business Directory[60] contains almost 100 solar installation companies that do business in Arizona and is maintained by the Arizona Solar Power Society. The business directory allows consumers and commercial customers to contact a number of different companies to get the best deal and best performing products in the solar industry.

Arizona Solar Watchdog Program

The purpose of the Arizona Solar Watchdog Program[61] is to teach consumers how to check a solar installation contractor's license, credentials and work history. Every contractor in Arizona needs to be registered with the Arizona Registrar of Contractors.[62] Each contractor is issued a Registrar of Contractors' license number, which can be looked up using the step-by-step process outlined under the Arizona Solar Watchdog Program.

See also

References

  1. ↑ 1.0 1.1 Solana, the largest solar power plant in the world
  2. ↑ 2.0 2.1 Lua error in package.lua at line 80: module 'strict' not found.
  3. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  4. ↑ Pending Solar Projects
  5. ↑ Sonoran Solar Energy
  6. ↑ Springerville Generating Station Solar System
  7. ↑ Five Years of Operating Experience at the Springerville PV Generating Plant
  8. ↑ APS Solar Power Plants
  9. ↑ Prescott Airport Solar Power Plant
  10. ↑ UA Tech Park Thermal Storage Demonstration Project
  11. ↑ SRP 1.5 MW Maricopa Solar Plant – Peoria, Arizona
  12. ↑ Stirling Dish Technology Report
  13. ↑ Former Stirling power plant in Peoria to be sold, disassembled
  14. ↑ Top bid on plant is $250K
  15. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  16. ↑ Renewable Energy Technical Potential
  17. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  18. ↑ Arizona solar plant reaches historic mark
  19. ↑ World's Largest Operational Solar PV Project, Agua Caliente, Achieves 250 Megawatts of Grid-Connected Power
  20. ↑ Sempra Completes first phase of Mesquite Solar Project
  21. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  22. ↑ Solar Power World
  23. ↑ Trico customers can buy power from 'sun farm'
  24. ↑ SunWatts Sun Farm FAQs
  25. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  26. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  27. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  28. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  29. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  30. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  31. ↑ Arizona Solar
  32. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  33. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  34. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  35. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  36. ↑ "Electric Power Monthly" [1] retrieved 2016-3-10
  37. ↑ "Electric Power Monthly-Data Browser 5/15"[2] retrieved 2015-5-30
  38. ↑ “Electric Power Annual”[3] retrieved 2016 3 12
  39. ↑ “Electric Power Monthly”[4]retrieved 2016 3 12
  40. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  41. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  42. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  43. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  44. ↑ Big Solar Project Planned for Arizona Desert
  45. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  46. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  47. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  48. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  49. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  50. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  51. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  52. ↑ 52.0 52.1 Lua error in package.lua at line 80: module 'strict' not found.
  53. ↑ Solar Development on Public Lands in Arizona
  54. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  55. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  56. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  57. ↑ Net Metering
  58. ↑ Net Metering and Interconnection Procedures Incorporating Best Practices
  59. ↑ Renewable Energy Standard
  60. ↑ Arizona Solar Business Directory
  61. ↑ Arizona Solar Watchdog Program
  62. ↑ Arizona Registrar of Contractors

External links

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