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smallrenew_robinson

VIEWS: 5 PAGES: 26

									Small Wind and Solar Systems




           Kristi Robinson
  Steele-Waseca Cooperative Electric
                     SWCE’s Statistics
SWCE has 22 Wind Turbines Interconnected to the Distribution System
• (1) turbine not currently producing
• (4) Single Phase 10 kW turbine (with 2kW solar)
• (4) Single Phase 35 kW turbines
• (13) Three Phase 39 kW turbines
SWCE also has (2) Solar Systems, 5.6 kW and 10 kW
Been tracking production on units installed since 2002
       Consumers’ Interests, Expectations and Perspectives
 Most consumers are relying on the utility to provide the information on
                     renewable energy systems.
Types of Inquiries
Investor – Looking to save and/or make money off a renewable system
Environmentalist – Do the right thing for the environment
Tinkerer – Got an idea to produce renewable energy
Info Seekers – Just want to know more about renewable energy systems
Common Misconceptions
• There’s little to no costs to install a renewable system
• Payback of the renewable system will be short
• Can become self-sufficient energy-wise and go off the grid
• Can buy solar panels or wind turbine from the utility
• Windmill is the same as Wind Turbine
• Simple installation process and no maintenance
• Free government money is available


                                  NOT = TO

      “There’s free money right? – Obama money!”
                    Educating the Membership
•   Know what vendors are saying about renewable technology
•   Have an idea of available State and Federal incentives available
•   Know your Coop’s stance on renewable energy
•   Know the basics of wind/solar technology




SWCE’s Wind, Solar and Conservation Seminar
Small Wind & Solar Projects – issues and process of interconnecting renewables
Coop DSM Programs – water heaters, GSHP, ASHP, Kill-A-Watt, water kits
Cap & Trade – why its important and how it impacts the bottom line
         Incorporate the message you really want to get across
                  5        WIND RESOURCE POTENTIAL
                                        2    4




                                            3




                                        1


                                            FAIR
                                            GOOD
                                            EXCELLENT
                                            OUTSTANDING   MARGINAL
50 Meter Wind Resource Map DOE - EERE
    4




            5
3               2




        1
Midwest ISO States with Renewable Mandates




     8,169 MW




                 7/1/10
    WIND SYSTEMS

 Rice
                             Goodhue




Waseca                        Dodge
                    Steele
         Freeborn
                                                     Wind Production per Month
                                                   (15) 39 KW Wind Units on SWCE
                      300
                                  2003           2004       2005        2006      2007       2008        2009



                      250
Average kWH per Day




                      200




                      150




                      100




                       50




                        0
                            S O D F A J A O D F A J A O D F A J A O D F A J A O D F A J A O D F A J J S N J M M J S N J
                                                                    Month
                                            Wind Production per Month 2009
                                            (15) 39 KW Wind Units on SWCE
                      250


                                                     ~$23 per day

                      200
Average kWH per Day




                      150




                      100



                                    Average Yearly
                                     Production:
                       50
                                     50,000 kWh
                                                                 ~$5 per day

                        0
                            J   F       M     A      M       J        J        A   O   N
                                                         Month
                                       Merton Township Turbines
          $35.00



          $30.00



          $25.00



          $20.00
                                                                                                                          ds
Per Day




                                                                                                                          js
                                                                                                                          fs
          $15.00
                                                                                                                          mjw
                                                                                                                          rcw
          $10.00                                                                                                          sd2
                                                                                                                          tm


           $5.00



             $-
                    J    F     M   A   M   J   J   A   S   O   N   D   J     F    M   A   M   J   J   A   S   O   N   D
                        2007                                               2008
          $(5.00)


                                                                   Month
                                           20 KW vs. 39 KW Turbines
      $25.000



                                      39 KW Turbine
      $20.000




      $15.000
Per Day




      $10.000




          $5.000



                                                           20 KW Turbine
          $0.000
                   J     F    M   A    M   J   J   A   S    O   N   D   J      F   M   A   M   J   J   A   S   O   N   D

                       2006                                                 2007
                                                                Month
      SOLAR PHOTOVOLTAIC RESOURCE
               POTENTIAL




                             4-5 kWh/m2/day




6-7 kWh/m2/day       5 -6 kWh/m2/day
  SOLAR SYSTEMS


 Rice
                       Goodhue




Waseca                      Dodge
                   Steele
        Freeborn
                               2009 Average Solar Production Per Day (10 KW system)
                      60




                      50


                                   ~$5 per day
Average kWh per Day




                      40




                      30




                      20
                                     Average Yearly
                                      Production:
                      10
                                      11,600 kWh
                                                                                 ~$1 per day

                       0
                           J   F     M     A     M    J       J   A     S    O        N        D

                                                          Month
                    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 heaters       Boilers    Furnaces Heat Pumps          Building Improvements
                        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.

• Wind turbines < 35 kW qualify for a 35% state rebate
  Rebate capped at $10,000 and must be installed in a wind area of 12 mph
                               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:
Fully filled though applications can be submitted to waiting list for funds.
                      Costs and Benefits

In SWCE Territory – 39 KW Wind Turbine
Upfront Cost: (Turbine, Foundation, Labor etc)         ~$240,000
Average Yearly Production: 50,000 kWh                  ~ $ 5,805 per year
Insurance and Maintenance                              ~ $ 750 per year
Payback without Rebates and Grants                     41 years
REAP grant and Federal Incentive                       (~$ 140,000)
Payback with Rebates and Grants                        18 years

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
Payback without Rebates and Grants                     57 years
REAP grant and Federal Incentive                       (~$ 9,900)
Payback with Rebates and Grants                        26 years
*Approx $9 per Watt install costs – not SWCE numbers
                   Member Inquiries
Educational opportunity – explain large and small size renewables
No site visit or studies done unless application turned in
Members sent Wind & Solar brochure and Wellspring Info
Estimated interconnection cost: $1,500 - $3,000
 Websites:
 DSIREUSA.ORG – Renewable Incentive Website
 COMMERCE.STATE.MN.US – MN State Commerce site
 SWMNFOUNDATION.ORG – Southwest Initiative Fund
 WINDUSTRY.ORG – Wind information site
 AWEA.ORG – American Wind Energy Association
 FINDSOLAR.COM – solar calculator
         Interconnecting a Wind or Solar System
                     to SWCE’s Grid
1) Fill out SWCE Application for
   Interconnection
   $250 non-refundable application fee for
   systems greater than 20 kW
2) 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.
                                 Contracts

Three Important Points
1) $300,000 in liability insurance per turbine – SWCE must have proof of insurance
2) Visible, accessible disconnect switch – SWCE has access to wind or solar system
3) 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
Uniform Statewide Contract for Cogeneration and Small
      Power Production Facilities Less than 40 kW
                   • SWCE uses this document for its PURPA filing
                     to the State

                   • Specifies net metering and estimated costs for
                     interconnection
                    • Specifies method of payment:
                             monthly check or credit

                    • Specifies $300,000 in liability insurance required
                      for less than 40KW units

                    • Allows reasonable access to property and
                      generation facilities
                    • States notification of disconnect due to planned
                      maintenance and system emergency procedures
                      (storm damage priorities)
     Minnesota State Interconnection Agreement for
           Distribution Generation Contract
Att 1 - Interconnection Process for Distributed Generation Systems
Att 2 - Distributed Generation Interconnection Requirements
Att 3 - Generation Interconnection Application
Att 4 - Engineering Data Submittal
Att 5 - Proposed Interconnection Agreement For the Interconnection of Extended
       Parallel Distributed Generation Systems With Electric Utilities


State Interconnection Packet designed to cover all types of Distributed Generation
rated up to 10 MW; not just renewables.

Created by MPUC working group made up of utility and renewable personnel
                                                 Metering Changes
                                   3 Ph. Units: Bi-direction Meter with (2) AMR endpoints
                                   1 Ph. Units: Two self-contained meters each with
                                   (1) AMR endpoint
                                                            Costs
                                   • SWCE absorbs ½ the cost of the metering
                                      hardware.
                                   • 100% of metering techs time is billed.
                                   • Monthly service charge is billed for all meters

                                          Line and Transformer Changes
                                   Upgrade transformer size to accommodate system
                                   Build any line extensions required.

                                                             Costs
                                   • SWCE absorbs the labor cost of the transformer
                                     upgrade.
                                   • Cost difference between transformer sizes is billed.
                                   • Cost of line extension billed out at 100%
(2) 39 KW 3 Phase Vinco Turbines
  SWCE will assist our members with interconnecting
                   to the grid, but…




Concentrate on low cost energy efficiency methods first!
Questions?




   Kristi Robinson
    800-526-3514
krobinson@swce.coop

								
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