• Renewable Activity in Other States

    There are a lot of renewable energy and energy efficiency efforts going on in other states and Puerto Rico.   Some interesting links:  New York targets 1.5 TWh of new renewables with latest solicitation  New York updates distributed solar tariff, clearing path for 1 GW of new generation  Committing to climate: Transformation is underway in the US power sector  California adopts 2030 Preferred System Portfolio Read More
  • New Discovery Could Improve Organic Solar Cell Performance

    While there is a growing market for organic solar cells ­­– they contain materials that are cheaper, more abundant, and more environmentally friendly than those used in typical solar panels – they also tend to be less efficient in converting sunlight to electricity than conventional solar cells. Now, scientists who are members of the Center for Computational Study of Excited-State Phenomena in Energy Materials (C2SEPEM) a new Read More
  • Know Your Rights

    Arizona law protects individual homeowners’ private property rights to solar access by dissolving any local covenant, restriction or condition attached to a property deed that restricts the use of solar energy. This law sustained a legal challenge in 2000. A Maricopa County Superior Court judge ruled in favor of homeowners in a lawsuit filed by their homeowners association seeking to force the homeowners to remove Read More
  • Home Battery Systems

    Rooftop solar panels are common in Arizona thanks to abundant sunshine, but to get even more use from the technology, homeowners are beginning to pair them with large home batteries. Batteries allow homeowners to store their surplus electricity, rather than send it to the grid in exchange for credit from their electric company. Read More
  • Solar Hot Water

    There are two types of solar water heating systems: active, which have circulating pumps and controls, and passive, which don't. The typical solar water heater is comprised of solar collectors and a well-insulated storage tank. The solar collector is a network of pipes that gathers the sun's energy, transforms its radiation into heat, and then transfers that heat to either water or a heat-transfer fluid. Read More
  • Federal Residential Renewable Energy Tax Credit

    (Information provided by DSIRE - Last reviewed 02/19/2009) Incentive Type: Personal Tax Credit State: Federal Eligible Renewable/Other Technologies: Solar Water Heat, Photovoltaics, Wind, Fuel Cells, Geothermal Heat Pumps, Other Solar Electric Technologies Applicable Sectors: Residential Amount: 30% Maximum Incentive: Solar-electric systems placed in service before 2009: $2,000Solar-electric systems placed in service after 2008: no maximumSolar water heaters placed in service before 2009: $2,000Solar water heaters placed Read More
  • Solar Building Design in Arizona

    The idea of using the sun to meet the energy needs in our buildings has been with us since the time of the Greeks, with some of the design manifestations even evident in the prehistoric structures of Arizona and the Southwest. There is a great historic tradition for Arizona buildings that utilize our most abundant resource, and the current increases in The idea of using Read More
  • How Not to- Battery Connections

    Photo shows the situation after a battery discharge test at 300 amps was terminated on a 1530 AH IBE battery string when one post melted. During the discharge test all cell voltages are logged. The sum of the cell voltages was 2.73 volts lower than the 48-volt string voltage. This is an average of 118 mv per inter-cell connection, 5-10 mv is the normal range Read More
  • 1 Renewable Activity in Other States
  • 2 New Discovery Could Improve Organic Solar Cell Performance
  • 3 Know Your Rights
  • 4 Home Battery Systems
  • 5 Solar Hot Water
  • 6 Federal Residential Renewable Energy Tax Credit
  • 7 Solar Building Design in Arizona
  • 8 How Not to- Battery Connections

Blogs

  1. Solar Center Blog
Brian Czech
17 February 2019

What’s Really Green and What’s Really New

Ask Americans what the Green New Deal is all about, and you’ll get two basic answers. Most often you’ll hear, “It’s about moving to renewable energy in order to fight climate change.” You’ll also hear, from a camp further right, “It’s all about socialism!”

Lucy Mason
06 January 2018

Wishing you a wonderful and Happy New Year!

The year 2017 has gone by quickly, and AriSEIA has accomplished a full and active agenda to further solar and renewable energy in Arizona. 


Featured

Some things to pay attention to in Arizona

Reminder- Arizona tax credit information is available here: Arizona Tax Incentives


Seeking Arizona agriculture producers who are using small solar systems in their operations in Arizona

Dr. Bonnie Eberhardt Bobb, Executive Director of the Western Sustainable Agriculture Working Group, is looking for agriculture producers who are using small solar systems in their operations in Arizona who might be willing to help her with preparing ACC testimony, discussion with representatives, writing letters of support, signing petitions, etc. to further their goal of increased renewables in agriculture. She would love to hear from ag producers and listen to their stories of how solar has benefited their operations. Thank you so much. Please contact drbonnie2002@yahoo.com if you can assist.

Arizona Corporation Commission 

See our information on PROPOSED RULEMAKING REGARDING INTERCONNECTION OF DISTRIBUTED GENERATION FACILITIESPROPOSED RULEMAKING REGARDING INTERCONNECTION OF DISTRIBUTED GENERATION FACILITIES

SRP approves rate decrease as directors argue about solar power and batteries.

During March 2019, SRP wrapped up their public pricing process at a final rate setting board hearing.
The board approved new rates for SRP customers, which will translate to a $1 to $4 decrease in monthly bills.
The board also voted to lower rates for solar customers, approve three new options for solar customers, and adopt a new battery/storage incentive.

https://www.azcentral.com/story/money/business/energy/2019/03/25/salt-river-project-decreases-rates-customers-but-solar-debate-rages/3245669002/.

APS announces 2018 ended with 16,479 applications and 14,818 installations: 

APS 2018 PV

Note: APS applications peak in August due to deadlines to freeze APS purchase rates for 10 years.

FRAUD ALERT

Attorney General Warns About Deceptive “Solar Initiative” Flyers

PHOENIX – Attorney General Mark Brnovich issued a warning today about deceptive flyers appearing on residences in the Phoenix area that promote a solar energy effort.

The flyers claim to be a “Public Notice” from the “Maricopa County Solar Initiative,” and claim that “Arizona and the Federal Government ITC (26 USC § 25D) are paying to have solar energy systems installed on qualified homes in this neighborhood.” The flyers tell consumers to call to schedule their “site audits.” Consumers who call are subjected to a solar sales pitch by a private company. In addition, the Maricopa County Solar Initiative’s website improperly uses a modified version of the county seal, but the “Solar Initiative” is linked to a private business and is not associated with the county. The “Solar Initiative” is also not registered to do business in Arizona.

Similar flyers previously appeared in Clark County, Nevada, this summer, and law enforcement officials there have warned that the “Clark County Solar Initiative” notices are deceptive.

Arizona Attorney General Mark Brnovich has aggressively prosecuted businesses masquerading as government agencies, including obtaining consent judgments against “Mandatory Poster Agency” and “Compliance Filings Service,” resulting in full restitution for Arizonans totaling hundreds of thousands of dollars.

A picture of the “Public Notice” is below:
A picture of the improperly modified county seal used by the “Solar Initiative” is below:

 If you believe you are a victim of consumer fraud, you can file a complaint online at the Arizona Attorney General’s website. You can also contact the Consumer Information and Complaints Unit in Phoenix at (602) 542-5763, in Tucson at (520) 628-6648, and outside of the metro areas at (800) 352-8431.

Source:https://www.azag.gov/press-release/attorney-general-mark-brnovich-warns-about-deceptive-solar-initiative-flyers

Also covered at: https://www.azcentral.com/story/news/local/arizona/2018/11/26/deceptive-flyers-circulate-arizona-promoting-solar-energy-effort/2115597002/


Upcoming:


Events

General News

Caution- News leads open in new windows. Warning- These news links are automatically generated by others such as Google News and are not reviewed by the Arizona Solar Center, Inc. We are not responsible for link content.

Interesting Videos

Summary of Residential Rate Plans for APS Customers with an On-Site Distributed Generation System

Untitled Document

Summary of Residential Rate Plans for APS Customers with an On-Site Distributed Generation System

(Interconnect applications submitted after August 31, 2017)

This is not an official APS document, it is a summary of residential rate plans for APS customers with an on-site distributed generation system put together by the Arizona Solar Center from the August 19, 2017 rate schedules posted at https://www.aps.com/en/ourcompany/ratesregulationsresources/serviceplaninformation/Pages/residential-sheets.aspx. See the actual rates by following the links at the above APS web page link. These are the charges for energy purchased from APS, see below for backfeed credits (exports of power to the grid).

APS Rate Plan - Customers with an on-site distributed generation system

Bundled rates

SAVER CHOICE

SAVER CHOICE PLUS

SAVER CHOICE MAX

SAVER CHOICE TECH

(Note 2)

Basic Daily Service

$0.427

$0.427

$0.427

$0.427

Energy Charges- per kWh

On-Peak Energy Charge-Summer

$0.24314

$0.13160

$0.08683

$0.05750

Winter

$0.23068

$0.11017

$0.06376

$0.04750

Off-Peak Energy Charge-Summer

$0.10873

$0.07798

$0.05230

$0.04750

Winter

$0.10873

$0.07798

$0.05230

$0.04750

Super Off-Peak Energy Charge

(November through April)

$0.03200

n/a

n/a

n/a

Demand Charges per kW (Note 1)

On-Peak Demand Charge:-Summer

none

$8.40

$17.438

$20.25

Winter

none

$8.40

$12.239

$14.25

Off-Peak Demand Charge:-Summer

none

none

none

$6.50

All above 5 kW

Winter

none

none

none

$6.50

All above 5 kW

Grid Access Charge per kW-dc of generation (Monthly fee)

$0.93

$0.93

$0.93

$0.93

APS Purchase Rates- per kWh

September 1, 2018 through

August 31, 2019

(Future rates to be determined)

$0.1161

$0.1161

$0.1161

$0.1161

         

Rate Periods for the above:

The On-Peak time period for residential rate schedules is 3 p.m. to 8 p.m. Monday through

Friday year round. Off-Peak time period is the rest of the day and holidays.

The Super Off-Peak period is 10 a.m. to 3 p.m. and applies to those plans with a rate shown above.

Holidays for Off-Peak:

  • New Year’s Day - January 1*
  • Martin Luther King Day - Third Monday in January
  • Presidents Day - Third Monday in February
  • Cesar Chavez Day - March 31*
  • Memorial Day - Last Monday in May
  • Independence Day - July 4*
  • Labor Day - First Monday in September
  • Veterans Day - November 11*
  • Thanksgiving - Fourth Thursday in November
  • Christmas Day - December 25*

*If these holidays fall on a Saturday, the preceding Friday will be Off-peak. If they fall on a

Sunday, the following Monday will be Off-Peak.

APS Residential bills will include the following adjustments:

  1. The Renewable Energy Adjustment Charge, Adjustment Schedule REAC-1. (
  2. The Power Supply Adjustment charge, Adjustment Schedule PSA-1.
  3. The Transmission Cost Adjustment charge, Adjustment Schedule TCA-1.
  4. The Environmental Improvement Surcharge, Adjustment Schedule EIS.
  5. The Demand Side Management Adjustment charge, Adjustment Schedule DSMAC-1.
  6. The Lost Fixed Cost Recovery Adjustment charge, Adjustment Schedule LFCR.
  7. The Tax Expense Adjustor Mechanism charge, Adjustment Schedule TEAM.
  8. Direct Access customers returning to Standard Offer service may be subject to a Returning Customer Direct Access Charge, Adjustment Schedule RCDAC-1.
  9. Any applicable taxes and governmental fees that are assessed on APS’s revenues, prices, sales volume, or generation volume.

And these Rate riders:

  • CPP -(RES) Critical Peak Pricing (Residential)
  • EPR-2 - Partial Requirements
  • EPR-6 - Partial Requirements – Net Metering (Residential Non-Solar)
  • RCP - Resource Comparison Proxy (This is for solar generation exports of power to the grid)
  • E-3 - Limited income discount
  • E-4 - Limited income medical discount
  • GPS-1, GPS-2, GPS-3 Â Green Power

Notes:

  1. The kW used to determine the demand charge above will be the Customer's highest amount of demand (kW) averaged in a one-hour On-Peak period for the billing month.
  2. The SAVER CHOICE TECH rate schedule is available to residential Customers with the following:
    1. 1. Two or more qualifying primary on-site technologies purchased within 90 days of the customer enrolling in the rate; or
    2. 2. One qualifying primary on-site technology purchased within 90 days of the customer enrolling in the rate and two or more qualifying secondary on-site technologies.

Eclipse Effect on Mesa PV System

This is a plot of PV system output on August 21, 2017 in Mesa, Arizona.  Note the morning dip caused by the partial eclipse. The red line is the calculated average for the date, based on historical data.

Sonnen Signs a Deal to Put Storage in New Arizona Housing Developments

There is a point at which it will make economic sense to defect from the electrical grid

More than 1 million US homes have solar systems installed on their rooftops. Batteries are set to join many of them, giving homeowners the ability to not only generate but also store their electricity on-site. And once that happens, customers can drastically reduce their reliance on the grid.

It's great news for those receiving utility bills. It's possible armageddon for utilities.

A new study by the consulting firm McKinsey modeled two scenarios: one in which homeowners leave the electrical grid entirely, and one in which they obtain most of their power through solar and battery storage but keep a backup connection to the grid.

Given the current costs of generating and storing power at home, even residents of sunny Arizona would not have much economic incentive to leave the electric-power system completely - full grid-defection, as McKinsey refers to it -until around 2028. But partial defection, where some homeowners generate and store 80% to 90% of their electricity on site and use the grid only as a backup, makes economic sense as early as 2020.

This scenario is already playing out in Australia and Hawaii, and has begun spreading to solar-friendly markets such as Arizona, California, Nevada, and New York. As batteries get cheaper and better, utilities are rattled at the prospect of losing a massive share of their revenue.

A self-reinforcing cycle is at work. As consumers make their own energy, rates must increase on those left to cover the system's fixed costs. This raises rates still further, making it even more advantageous for customers to leave the grid.

Instead of adapting to this dynamic, utilities have generally sought to stifle solar with time-of-use pricing, demand charges, or cutting compensation for electricity exported back to the grid.

But as daily needs for many are supplied instead by solar and batteries, McKinsey predicts the electrical grid will be repurposed as an enormous, sophisticated backup. Utilities would step up and supply power during the few days or weeks per year when distributed systems run out of juice. Our analysis helps show the grid is very valuable as a backup investment, says Amy Wagner, a co-author of the McKinsey report.

Only, the business models of utilities are not designed for this. Their revenue typically depends on selling kilowatt hours: more electricity equals more money for utilities. Power users don't respond quickly to daily price spikes in their power bill, so ratepayers absorb electricity costs. That goes away in a world where software managing a grid connection can automatically switch to batteries to avoid high charges. A new business model is needed.

The only way to pay for the grid is as a network, said McKinsey's David Frankel, a co-author of the report. "It's very counter to what the industry has seen." Instead of paying per kilowatt, he suggests, grid users could pay for access and reliability, with one fee covering the vast majority of usage. The model might resemble the fixed, monthly charges we're used to paying for cell phone data and calls.

At the moment, only a tiny fraction of utility customers have left the grid or installed batteries. But it's happening faster than was expected several years ago. Solar panels and battery prices are dropping fast - lithium-ion batteries have fallen from $1,000 to $230 per kilowatt-hour since 2010 - as massive new solar and battery factories come online in China and the US. By 2020, Greentech Media projects, homes and businesses will have more battery storage for energy (841 megawatts of capacity) than utilities themselves.

Utilities may find they need to retool their business models sooner than they think.

From

https://qz.com/1017457/there-is-a-point-at-which-it-will-make-economic-sense-to-defect-from-the-electrical-grid/

About

  • Welcome to the Arizona Solar Center

     This is your source for solar and renewable energy information in Arizona. Explore various technologies, including photovoltaics, solar water heating, solar architecture, solar cooking and wind power. Keep up to date on the latest industry news. Follow relevant lectures, expositions and tours. Whether you are a homeowner looking to become more energy efficient, a student learning the science behind the technologies or an industry professional, you will find valuable information here.
  • About The Arizona Solar Center

    About The Arizona Solar Center Arizona Solar Center Mission- The mission of the Arizona Solar Center is to enhance the utilization of renewable energy, educate Arizona's residents on solar technology developments, support commerce and industry in the development of solar and other sustainable technologies and coordinate these efforts throughout the state of Arizona. About the Arizona Solar Center- The Arizona Solar Center (AzSC) provides a broad-based understanding of solar energy, especially as it pertains to Arizona. Registered Read More
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