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March3 2009-workshop-slides

This workshop aims to educate homeowners in the Kingston region about renewable energy technologies and the process for implementing them. The workshop will provide practical knowledge about different renewable technologies, how they fit into a total home system, and resources to support homeowners' projects. The goals are to demystify the technologies, illustrate the process for projects, support economic activity, and leverage regional knowledge to accelerate renewable energy adoption. This will help reduce the community's carbon footprint and advance Kingston's status as a green community.

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March3 2009-workshop-slides
Introductions

Welcome

Workshop Purpose and Products

Message from Ontario Minister of the Environment – Hon. John Gerretson

Mr Paul McKay – Director, Ontario Sustainable Energy Association

Mr Chris Whittaker – CEO , St Lawrence College

Mr Ted Hu - Executive Director, SWITCH

Key Note Speaker - Ms. Dorothy Hector – Kingston City Councilor
Workshop Purpose and Products
Workshop Purpose:
To educate Kingston region homeowners around the available
   Renewable Energy technologies and the process to implement in a
   way that

    – Demystifies the technologies and provides practical decision making
      tools
    – Illustrates the “How to” action path to projects
    – Supports increased economic activity
    – Leverages , unites, and advances other regional knowledge resources
      to support the homeowner

So that as a part in the global community, Kingston and region
  accelerates “the doing of Renewable Energy projects” and
  achieves the benefits capture in an increasingly rapid manner.
Workshop Products:
•   Provide practical knowledge to the homeowner for Renewable Energy technologies
    and how they fit into the Total Home of the Future

•   Provide a base of support through knowledge resources, contractors , and vendors to
    support homeowner actions

•   Advance the community base of knowledge to accelerate clean energy projects

•   Reduce the community carbon footprint

•   Increase the economic activity in the Kingston region

•   Advance Kingston’s standing towards Canada’s #1 Green Community
The House of the Future

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March3 2009-workshop-slides

  • 2. Introductions Welcome Workshop Purpose and Products Message from Ontario Minister of the Environment – Hon. John Gerretson Mr Paul McKay – Director, Ontario Sustainable Energy Association Mr Chris Whittaker – CEO , St Lawrence College Mr Ted Hu - Executive Director, SWITCH Key Note Speaker - Ms. Dorothy Hector – Kingston City Councilor
  • 4. Workshop Purpose: To educate Kingston region homeowners around the available Renewable Energy technologies and the process to implement in a way that – Demystifies the technologies and provides practical decision making tools – Illustrates the “How to” action path to projects – Supports increased economic activity – Leverages , unites, and advances other regional knowledge resources to support the homeowner So that as a part in the global community, Kingston and region accelerates “the doing of Renewable Energy projects” and achieves the benefits capture in an increasingly rapid manner.
  • 5. Workshop Products: • Provide practical knowledge to the homeowner for Renewable Energy technologies and how they fit into the Total Home of the Future • Provide a base of support through knowledge resources, contractors , and vendors to support homeowner actions • Advance the community base of knowledge to accelerate clean energy projects • Reduce the community carbon footprint • Increase the economic activity in the Kingston region • Advance Kingston’s standing towards Canada’s #1 Green Community
  • 6. The House of the Future
  • 7. How Canadian Homes Use Energy Source: Statistics Canada
  • 8. How Canadians Should Produce Energy
  • 9. How Canadians Should Produce Energy
  • 10. How Canadians Should Produce Energy
  • 11. The House of the Future
  • 12. This workshop will help you build the house of the future with today’s technology! March 5 – Home Heating 1. Solar hot water 2. Geothermal heat pumps March 9 - Home Power 1. Solar photovoltaics 2. Wind power March 10 – Other Important Technologies 1. Wood pellet stoves 2. Grey water recycling 3. Green roofs
  • 14. Introduction Greenhou... Large.jpg
  • 15. Why Design? o “House as a whole” o Energy Efficiency o Building Programs o Comfort o Code Compliance
  • 16. “House as a whole” oAll systems in a home affect one another in some capacity oOverhangs affect cooling load oEquipment efficiencies affect energy requirements oFinishes affect indoor air quality oVentilation affects building durability oVapour barriers affects indoor air quality oSolar thermal systems affect building requirements oWind production can affect structural loads oAir pressures can affect life systems
  • 17. “House as a whole” e t o CO ths likely du Two co unty dea g poisonin
  • 18. Energy Efficiency 60-80% of our energy use in the house is a direct result of space heating/cooling and hot water heating. “It’s easier to save a KW then make a KW”
  • 19. Building Programs & Grants Greenhouse Large.jpg All programs and grants reward energy efficient products.
  • 21. Workshop outline Introduction Technology (available systems) Installation Issues Cost Calculations & Financial Projections Getting Your Project Done Case Study Questions and Follow-up
  • 22. What Is Solar Thermal? •Solar Thermal is any active solar energy system that collects the heat energy available from the sun •These systems are roughly 4 – 6 times more efficient than a Photovoltaic Solar Electric system •They can be used for a variety of heating requirements
  • 23. SDHW systems •2 typical types are Flat Plate and Evacuated Tube systems
  • 26. SDHW and Heating combi systems •2 typical types are Flat Plate and Evacuated Tube systems
  • 27. Solar Pool Heating systems •Polypropylene Rubber Collectors
  • 30. Solar Air Heating systems
  • 31. Why not house heating? HEATING LOAD Energy SDHW LOAD Jan Mar Jun Sept Dec
  • 32. Installation Issues •Clear Solar Access from 9 – 3 is recommended •South facing is best, West is second choice, East third •Typically mounted on the roof, so roof condition can be an issue •No Permits required in Kingston for Residential SDHW, Pool, or Air Heating •May need a permit for a custom combi system •Space for a storage tank is needed in a SDHW system •Large roof area is needed for a pool system
  • 33. Current Incentives Residential: •EcoEnergy for Homes will pay $1000 for SDHW system •PST rebate on the purchase of any solar thermal system •Utilities Kingston SDHW rental program Commercial: •EcoEnergy for Heat will pay roughly 35 – 55% of a solar thermal system to a maximum of $80,000 per project
  • 34. Maintenance Requirements •SDHW systems need a glycol test every 3 years, may need to be replaced at a cost of $100- 150 for the visit •Pool systems will require proper draining every fall. This may require an annual service visit if roof draining is required
  • 35. Case Study 1 2 panel SDHW system offsetting electric heated water
  • 36. Case Study 1 2 panel SDHW system offsetting electric heated water •Current initial cost of $6500 installed •5 person household •Electrically heated hot water tank •$1195 in rebates •Out of pocket cost of $5305 •Savings of $465 in the first year •ROI of 15.3%
  • 38. Case Study 2 8 panel pool system offsetting natural gas heated pool
  • 39. Case Study 2 Current initial cost of $4900 installed •Natural gas heated outdoor pool •$147 in rebates •Out of pocket cost of $4753 •Savings of $763 in the first year •ROI of 23.7%
  • 41. CONCLUDING REMARKS: • Solar Thermal is the most cost effective renewable energy systems available to the residential consumer. • Solar Domestic Hot Water systems are cost effective with returns on investment of over 10% • Of the solar thermal technologies pool heating has the best payback
  • 43. Heat Pumps • A heat pump is a machine that moves energy from one location to another through the use of mechanical work. • The vapour -compression refrigeration cycle is used to transport this heat from the air, water or ground to the area to be conditioned.
  • 44. Heat Pumps • The heat pump can remove heat from either the air (inside or outside) or from a ground source (soil or groundwater). • These devices are manufactured in a vary of configurations and serve a wide variety of applications. • Within the residential marketplace the heat pump may only provide space heating and cooling requirements but it also possible to provide a degree of domestic hot water production in the home.
  • 45. Geo-exchange or Geothermal? • The terms geo-exchange and geothermal may be easily confused and are both widely used to describe ground source heat pump systems. • Geothermal energy refers to heat that comes from within the core of the earth whereas a ground source heat pump draws the majority of its energy from the heat created by solar energy striking the earth’s surface. • Geo-exchange refers to the practice of transferring energy from just below the earth’s surface.
  • 46. Open vs Closed Loop • Open Systems – Usually utilize surface water bodies or well water fields – More dependent on climate as water temperatures fluctuate to a higher degree – Potential for contamination • Closed Loop Systems – Greater flexibility in usage – Usually have higher pumps requirements – Anti-freeze is usually required – More stable loop temperature with some designs
  • 47. Open Loop • Advantages – Installation costs are less than closed loop – Pumping costs are typically less • Disadvantages – Typically limited to smaller systems – Climate conditions can limit usage – Environmental issues – Fouling is a large maintenance issue
  • 48. Closed Loop-Vertical • Advantages – Requires the least amount of land – Lease amount of total piping – Can require the least amount of pumping energy • Disadvantages – Drilling costs are high – Back filling requires special material & skill – Potential for heat build-up
  • 49. Closed Loop-Horizontal • Advantages – Trenching costs are less than drilling costs – Heat build up is not as sensitive as vertical loop • Disadvantages – Requires more land – Greater ground temperature variance – Typically more piping is required – Greater risk of piping damage during backfilling
  • 50. Costs • Air Source Systems – Compared to the same output of electric furnace heating system, the cost of operation might be reduced by upwards to 50%. – Material equipment costs are higher than a typical heating and cooling system generally by twice. • Geo-Exchange Systems – Compared to the same output gas fired heating system, the cost of operation might be reduced by upwards to 66%. – Installation costs are higher; 5 times the cost of a traditional heating and cooling system
  • 51. Grants • Air Source Systems – Installation of a Energy Star qualified heat pump system qualifies for $400.00 from the federal grant program and matching provincial funds. – Equipment to have a higher than 14 SEER rating. • Geo-Exchange Systems – Installation of a CAN/CSA-C448 compliant earth-energy system (ground or water source) qualifies for $3,500.00 from the federal program and matching provincial funds. – Replace the heat pump unit of an existing earth-energy system qualifies for $1,400.00 from the federal program and matching provincial funds. • Note: Systems need to be installed by qualified firms.
  • 53. What are Photovoltaics? • Commonly known as “solar cells.” • Photovoltaic (PV) systems convert light energy into electricity. • The simplest systems power the small calculators we use every day. More complicated systems will provide a large portion of the electricity in the near future. • PV represents one of the most promising means of maintaining our energy intensive standard of living while not contributing to global warming and
  • 54. PV Solar System Solar Power To the Grid Inverter Solar PV Utility Arrays Meter Main Utility Breaker Panel DC AC Voltage Voltage
  • 55. Installation Issues • Types of PV systems - aesthetics • Modeling - RETScreen • Building Codes, Inspections
  • 58. Paperwork • Leave it up to the installer • Complete the application for SOC with the local utility as well as OPA. • All the connections to an existing electric service without any scheduled service disconnect and reconnect
  • 59. Case Study • PV Requirements • About $1,000 per kW (or $10/W) • South Facing Roof • Ontario Power Authority (OPA) Standard • Offer Contract (SOC) – on-line application • Kingston Electricity Distribution Limited • (KEDL) Connection Agreement • Solar panels or modules • Inverter
  • 61. PV – Inverter - Helpers • RJ (Rob) Kennedy Electric • Quantum Renewable Energy (Rick Rooney) • Utilities Kingston – Kingston Electricity Distribution Limited (KEDL)
  • 62. Meters & Inverter • Green Energy Act – rates are under review – Anticipate FiT to be higher than 42 cents, rumour is 80 – I expect between 1,400 to 1,500 kWh/yr
  • 63. Small Wind Power Jason Wamboldt B.Sc. (Eng), MES Renewable Energy of Plum Hollow
  • 64. Workshop outline An introduction to Small Wind Power options for homeowners • What is small wind? • Types of turbines? • Is wind right for you? • How do you use the power? • Costs and paybacks • Are there noise, safety, maintenance or environmental concerns?
  • 65. What is Small Wind • A wind turbine is a device used to convert wind energy into electrical power. • Small wind includes wind turbines capable of producing 100 kW or less • Suitable for homes, businesses, or farms. • Can be used to backup electricity and/or offsetting the use of grid-power.
  • 66. Types of Wind Turbines Horizontal Axis Vertical Axis - more common - newer technology - requires clean - Can capture dirty wind wind, from all - often need large directions areas for tower - Can be mounted on guy wires buildings or lower to the ground
  • 67. Is wind right for you? • Do you have a spot with consistent wind >10 mph (wind gusts versus steady winds)? • Do you have enough land to provide buffer between neighbors and buildings? • Local zoning? • Prepared for long-term investments?
  • 68. Siting Issues Source: www.skystreamenergy.com
  • 69. How to use the power • Electricity can be: • stored in batteries for later use (off-grid) • sent to the grid to reduce utility bill (net- metering) • sold to the grid to payback equipment (standard offer contract)
  • 70. How much power can I get?
  • 71. How much power can I get?
  • 72. What are the costs and paybacks? Case-study: Skystream 2.4 kW, Cost: $16,576.77 + tax Wiring and misc. 9% Labour 27% Equipment 64% • Average winds of 13 mph would generate 400 kWh/month or 44% of average Ontario home demand. • Equates to $528/y at current electricity pricing ($0.11/kWh).
  • 73. Maintenance and Warranty • Annual inspection of bolts, guy wires, and electrical connections. • May require greasing of bearings. • Blades need to be visually inspected for cracks or stress signs. •Warranties are typically 2-5 years.
  • 74. Safety, Environmental, and Noise Concerns • Wind turbines DO generate noise and vibrations (be a good neighbour) • Check with local zoning and building code requirements for safe installation of tower and foundation • Electrical permits must be taken and approved by the Electrical Safety Authority • All turbines have mechanisms to slow blades in high winds
  • 75. Conclusions • Small wind turbines are less than 100 kW. • Need good site with clean, strong, consistent wind with buffers from buildings and neighbours. • Power can be used to offset electricity bills or store in batteries for later use. • Costs are significantly tied to equipment costs and expect long paybacks at current electricity prices. • SAFETY IS PARAMOUNT.
  • 76. Home Heating with Biomass
  • 77. What is Biomass? Definition - Plant matter grown for use as a fuel. Biomass is a renewable fuel and it is part of the Carbon Cycle.
  • 79. Biomass can be a responsible choice if: • The heating system is installed safely (WETT Certified Professional) • Fuel is harvested sustainably • The fuel is burned efficiently with little or no visible smoke
  • 80. Advanced Combustion Wood Stoves - Use 1/3rd less wood for the same amount of heat - Longer burn times - Under 5 acres of properly managed wood lot, can produce enough to heat a home forever. (Assuming 60 year life span)
  • 81. Old Technology vs. New Technology
  • 82. Pellet Stoves and Bio-Mass Stoves - Pelletized wood waste - Pelletized agriculture waste - Pelletized marginal crops like switch grass - Two Acres of Switch Grass could heat a Canadian home for a year
  • 83. What do they look like?
  • 85. Space Heating - Studies have shown that most families spend 80% of their time in a couple rooms of the home (20% of the house) - By heating the space that we live, with a high efficiency product, in we can reduce our consumption by 28%
  • 86. Saving Money & Saving the Environment -Heating with wood or wood pellets is 40% - 50% cheaper than Oil, Electricity or Propane - Reduces carbons emissions by 4-5 tons per year
  • 87. GREEN ROOFS FOR HOMEOWNERS
  • 88. Green Roofs - definition A Green Roof is: A rooftop with vegetation Can be on apartments, factories, offices or residential buildings Can be flat or sloped roof New building or retrofitted older building Social, environmental and economic benefits Individual Landscapes
  • 89. Two Principal Types Intensive Extensive Individual Landscapes
  • 90. Intensive Green Roof Typically used for recreation Uses all kinds of landscape and building materials Wide variety of plant materials e.g. grass, flowering shrubs, trees and flowers Heavier; may need structural reinforcing High maintenance & higher costs Individual Landscapes
  • 92. Extensive Green Roof Not for recreational purposes and generally not accessible for regular use Different materials used Fewer varieties of plant material Goal is least possible maintenance Potentially lower cost Many social, environmental and economic benefits Individual Landscapes
  • 95. Water Conservation • Less than 2% of the earth’s water is fresh water and only 1% is available as drinking water. • It is predicted that in the future that armed conflicts will center around water as opposed to oil.
  • 96. Water Usage in the Home • Replacing a 18 litre per flush toilet with a new 6 litre per flush unit can save over 60,000 litres annually for a family of four. • A leaking toilet may result in a loss of over 200,000 litres annually. • Grants provide $50.00 per toilet replacement under the federal program and matching funds from the province.
  • 97. Greywater • Greywater collection allows for the reuse of water for various applications and thereby reduces the home’s utility billings or impact on septic system. • The Ontario Building Code was amended in 2007 to allow for the usage of greywater for the flushing of toilets and irrigation uses. • 65% of all water used in a home maybe classified as greywater.
  • 98. Rainwater Harvesting Saving rain water reduces the dependence on fresh water supplies Reduces the impact on water sources such as lakes, reservoirs, rivers, ground water, and other sources of fresh water. Rainwater can be used to: Watering plants and trees Watering lawns Washing cars
  • 100. Grants for your projects •There are many generous provincial and federal grants & tax credits available to support your projects • Renewable Electrical, Heating, Ventilation, Cooling • Be aware of the requirements for grant eligibility BEFORE you plan your project •Grant Guidelines: • Eco-Action has the most comprehensive list of resources http://www.ecoaction.gc.ca/grantsrebates- subventionsremises/consumers-consommateurs-eng.cfm • Hearthmakers Energy Co-operative http://www.hearthmakers.org/ • Suppliers and contractors are also good info sources….
  • 101. Some sample grants…. Multi-Unit Single-Family Homes Residenti al 1st System 2nd System HEATING An ENERGY STAR® qualified gas furnace that has a 90.0% efficiency $600 $300 Same as single- family An ENERGY STAR® qualified gas furnace that has a 92.0% AFUE or $1,000 $500 home Same as single- better, family and a DC variable-speed motor. An ENERGY STAR® qualified oil or gas boiler that has an 85.0% $1,200 $600 home Same as single- AFUE or better. family An ENERGY STAR® qualified oil furnace that has an 83.0% AFUE or $600 $300 home Same as single- better. family An ENERGY STAR® qualified oil furnace that has an 85.0% AFUE or $1,000 $500 home Same as single- better, family and a DC variable-speed motor. A CAN/CSA-C448 compliant ground- or water-source heat pump. $7,000 N/A home Same as single- family Replace the heat pump unit of an existing earth-energy system $2,800 N/A home Same as single- (ground- or family water-source). The system must be compliant with CAN/CSA-C448. Install an ENERGY STAR® qualified air-source heat pump $800 N/A home *$800 Install a minimum of 5 electronic thermostats for electric baseboard $60 N/A **$60 heaters. Replacebaseboards must beappliance with a model that meets either Electric your wood-burning the primary system $600 $300 *$600 CSA-B415.1-M92 (Performance Testing of Solid-Fuel-Burning Heating Appliances or the U.S. Environmental Protection Agency (EPA) wood- burning appliance standards (40 CFR Part 60) (*per equipment replaced).
  • 102. Some sample grants…. Multi-Unit Single-Family Homes Residential 1st System 2nd System VENTILATION Install a heat recovery ventilator that is certified by the Home Ventilating $600 N/A $600 Institute (See www.hvi.org) COOLING Replace your central air conditioner with an ENERGY STAR® qualified $400 N/A $400 unit. Replace your window air conditioner(s) with an ENERGY STAR® unit $40 N/A $40 HOT WATER Install a solar domestic hot water system that meets CAN/CSA $1,000 N/A $1,000 Standards. $500 N/A *$400 Replace your domestic hot water heater with an instantaneous gas water heater that has an energy factor (EF) of 0.80 or better Replace your domestic hot water heater with a condensing water heater $600 N/A *$600 that has anaEF of 0.80 orheat recovery (DWHR) system. Grants are based Install drain-water better (*per equipment installed). on the efficiency of the pipe installed. • Efficiency between 30 and 42%. $150 N/A $150 ELECTRICAL POWER GENERATION The ONTARIO GREEN ENERGY ACT (Bill 150) will lay out the groundwork to either change or replace the Renewable Energy Standard Offer Program (RESOP), which had offered a delivery price of $0.42 kWh delivered into the provincial energy grid from wind and solar sources.
  • 105. Closing Items: • How To Workshop signup • House Tour signup • Feedback forms back • Prize Draw • Sponsorship, Support and Resources THANK YOU AND GOOD LUCK IN YOUR FUTURE PROJECTS
  • 106. Technical HOW TO Workshops -Outline- Follow - up HOW TO workshops focused on : Home Heating : March 5 from 6:30-8:30 at SLC – Rm 01040 Home Power : March 9 at SLC from 6:30-8:30 in Rm 01040 Biomass and Conservation : March 10 from 6:30- 8:30 in Rm 01040 You will be able to : decide which system(s) is best for your purposes compare costs and understand more on grants evaluate whether you want to do it yourself or Interact one on one with qualified contractors and how to proceed with your project
  • 107. Brought to you by: • SWITCH - The Sustainable Energy People _____________________________
  • 108. With the Generous Support of
  • 109. Resources: SWITCH Kingston(Knowledge resources – all areas – pls call) Hearthmakers Energy Co-Op (Conservation and Energy Audits) Down Under Solar (Solar Photovoltaic) Eco Alternative Energy (Solar Solutions and Wind Power) Haven Home Climate Care (Geothermal Heating) Jenal Heating (Specializes in Boilers) Quantum Renewable Energy (Solar Thermal, Wind Power and Energuide) Renewable Energy of Plum Hollow (Biomass, Solar Thermal and Wind Power) Tackaberry Heating (Energy Design, Boilers and more) TAB Mechanical (Green building) UCSG (Solar) Burt’s Greenhouses (A. English alt contact – Plants for Green Roof) Individual Landscapes – Bardi Vorster (Green Roof) Utilities Kingston (Solar Domestic Hot Water Heater Rentals)