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Small Wind and Solar Systems. Kristi Robinson Steele-Waseca Cooperative Electric. As of May 10, 2009. 5. 4. 3. 2. 1. Midwest ISO States with Renewable Mandates. 5. WIND RESOURCE POTENTIAL. 2. 4. 3. 1. FAIR. GOOD. EXCELLENT. OUTSTANDING. MARGINAL.

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Small Wind and Solar Systems

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Small Wind and Solar Systems

Kristi Robinson

Steele-Waseca Cooperative Electric


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As of May 10, 2009

5

4

3

2

1


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Midwest ISO States with Renewable Mandates


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5

WIND RESOURCE POTENTIAL

2

4

3

1

FAIR

GOOD

EXCELLENT

OUTSTANDING

MARGINAL

50 Meter Wind Resource Map DOE - EERE


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WIND SYSTEMS

Rice

Goodhue

Waseca

Dodge

Steele

Freeborn


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~$23 per day

Average Yearly Production:

44,000 kWh


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SOLAR PHOTOVOLTAIC RESOURCE POTENTIAL

4-5 kWh/m2/day

5 -6 kWh/m2/day

6-7 kWh/m2/day


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SOLAR SYSTEMS

Rice

Goodhue

Waseca

Dodge

Steele

Freeborn


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~$5 per day

Average kWh per Day

~$1 per day

Month


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Federal Renewable Programs

  • Residential & Corporate Renewable Tax Credit:

  • Business and Residential tax credit of 30% of the total install cost of renewable system

  • (Systems to be less than 100 KW)

  • Qualifying Systems

  • Wind turbine Geothermal Heat Pumps

  • Solar Systems Solar – Water Heaters

  • Fuel Cells

  • REAP - USDA Grant/Loan Program:

  • Agriculture and Small Rural Businesses can apply for 25% of total renewable projects cost

  • 2010 REAP budget of $70 Million

  • Energy Efficiency Improvement:

  • Residential Energy Efficiency Tax Credit – various amount depended on the improvement

  • REAP – USDA Grant/Loan Program

  • Qualifying Systems

  • Water heatersBoilers Furnaces Heat Pumps Building Improvements


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State Renewable Programs

State Incentive:

Wind turbines < 40 KW qualify for net metering.

Purchasing utility basically by the power that goes back on the distribution grid at retail rate.

SWCE 2010 Buy Back Rates

Single Phase Units: $0.1161/kWh

Three Phase Units: $0.1107/kWh

State Sales Tax Exemption:

Wind and Solar systems materials are exempt from sales tax.

Includes materials used to manufacture, construct, maintain and repair renewable systems

State Property Tax Exemption:

Wind and Solar systems are exempt from property tax, (land the system is on is still taxable ).

However small production tax does exist if system is greater than 250 KW nameplate.

State Solar Rebate:

Unknown availability for 2010. Currently a waiting list for Federal Funds.


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Costs and Benefits

In SWCE Territory – 39 KW Wind Turbine

Upfront Cost: (Turbine, Foundation, Labor etc)~$120,000

Average Yearly Production: 44,000 kWh~ $ 4,115 per year

Insurance and Maintenance~ $ 750 per year

Photovoltaic System ( 2 KW System)*

Upfront Cost: (Panels, Inverter, Labor etc)~$ 18,000

Projected Average Yearly Production: 3,000 kWh~ $ 315 per year

Insurance and Maintenance~ $ 100 per year

*Based on best information available – not SWCE numbers

Solar Calculator: Findsolar.com

Capacity factor for solar and wind is approximately 15%


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Interconnecting a Wind or Solar System

to SWCE’s Grid

Fill out SWCE Application for Interconnection

$250 non-refundable application fee for systems greater than 20 kW

Site Visit and Engineering Studies

On site meeting with system owner and electrician

3) Contracts Signed

4) Construction and Interconnection

SWCE personnel will perform necessary changes to the distribution system and

metering for the wind or solar system.

5) Final Collection of Costs

Final billing of actual costs accrued by SWCE are billed out less the deposit.


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Contracts

Three Important Points

$300,000 in liability insurance per turbine – SWCE must have proof of insurance

Visible, accessible disconnect switch – SWCE has access to wind or solar system

Do No Harm Cause

  • Uniform Statewide Contract for Cogeneration and Small Power Production

  • Facilities Less than 40 kW

  • Power Purchase Agreement

  • Discusses methods of payment, program options, estimated deposit

  • and retail rate

  • Minnesota State Interconnection Agreement for Distribution Generation Contract

  • Encompasses all types and sizes of distributed generation system

  • Discusses fees, time periods, responsibilities and requirements

  • Required by the State of Minnesota, created by the MN PUC


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SWCE will assist our members with interconnecting

to the grid, but…

Concentrate on low cost energy efficiency methods first!


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Questions?

Kristi Robinson

800-526-3514

[email protected]


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