Solar Thermal

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Information about Solar Thermal
Science-Technology

Published on March 9, 2009

Author: arasarn

Source: authorstream.com

Solar Thermal Community Action : Solar Thermal Community Action Agenda : Agenda Agenda : Agenda Introduction & Solar Thermal Basics CanSIA Community Action Manual : Introduction & Solar Thermal Basics CanSIA Community Action Manual Content & Purpose Available through CanSIA Electronic Copies can be freely distributed; will be available at www.cansia.ca Introduction Resource Ownership Cost Installers & RFP Future In Canada Introduction & Solar Thermal Basics Uses of Solar Thermal : Introduction & Solar Thermal Basics Uses of Solar Thermal Residential DHW (Domestic Hot Water) ISP (Indoor Swimming Pool) OSP (Outdoor Swimming Pool) VAH (Ventilation Air Heating) Commercial CHW (Commercial Hot Water) ISP OSP VAH Water Purification Crop Drying Electricity Generation Introduction Resource Ownership Cost Installers & RFP Future In Canada Introduction & Solar Thermal Basics : Introduction & Solar Thermal Basics Introduction Resource Ownership Cost Installers & RFP Future In Canada Introduction & Solar Thermal Basics A Typical Closed-Loop Glycol System : Introduction & Solar Thermal Basics A Typical Closed-Loop Glycol System Separate manufacturer’s systems will vary DHW is by far the best choice economically in Canada. Introduction Resource Ownership Cost Installers & RFP Future In Canada Agenda : Agenda Solar Thermal In Canada Installed Capacity : Solar Thermal In Canada Installed Capacity Canada has a large installed capacity of Unglazed Flat-Plate collectors, for OSP heating 2004: Canadian installed capacity was 75MWth of generation, compared to 10-14MW of PV Introduction Resource Ownership Cost Installers & RFP Future In Canada Solar Thermal In Canada Best choices economically for ST Systems : Solar Thermal In Canada Best choices economically for ST Systems Residential DHW is the industry-accepted standard. Most common is the Glazed Flat-Plate collector These can be used both with water (drain-back) or with glycol (pressurized closed-loop) Introduction Resource Ownership Cost Installers & RFP Future In Canada Glazed Flat-Plate Collector Solar Thermal In Canada Best choices economically for ST Systems : Solar Thermal In Canada Best choices economically for ST Systems Commercial There are two applications accepted as having the best economic returns: CHW, and VAH Introduction Resource Ownership Cost Installers & RFP Future In Canada Unglazed Perforated Flat-Plate VAH System Agenda : Agenda Solar Resource Assessment : Solar Resource Assessment Introduction Resource Ownership Cost Installers & RFP Future In Canada Solar Resource Assessment Site Assessment: General to ST & PV : Solar Resource Assessment Site Assessment: General to ST & PV Number of Considerations consistent with assessing a potential PV site Direction & Angle to Sun Load Factor Age of Roof Potential Winter or Future Shadowing/Blocking Geographic Solar Radiation Supply Introduction Resource Ownership Cost Installers & RFP Future In Canada Solar Resource Assessment Site Assessment: Solar Thermal Specific : Solar Resource Assessment Site Assessment: Solar Thermal Specific Structure’s plumbing and electrical state Plumbing Installation may require a Plumbing Contractors Licence Fairly relaxed regulations and requirements Toronto: plumbing permits or certain structural permits are required for some commercial applications only Introduction Resource Ownership Cost Installers & RFP Future In Canada Agenda : Agenda Community Power & Ownership Structure Community Power : Community Power & Ownership Structure Community Power Community Power: A type of project ownership residents of a community with a similar goal pool their investment into a single or multiple renewable energy generation projects. Introduction Resource Ownership Cost Installers & RFP Future In Canada Community Power & Ownership Structure Ownership Structure: Two Models : Community Power & Ownership Structure Ownership Structure: Two Models Introduction Resource Ownership Cost Installers & RFP Future In Canada Community Bulk Purchase Organization Co-operative or Local Project Funding Mechanism Single, Remotely Sited Installation Neighbourhood residents pool investment and resources to achieve cost savings Result is either a number of individual installations, or a single project funded by pooled investment INDIVIDUALS PROJECTS Community Power & Ownership Structure Ownership Structure: Co-operative Models : Community Power & Ownership Structure Ownership Structure: Co-operative Models Local residents fund a project for a community centre Used for heating water for showering, laundry and ISP Heat energy metered, payment made to co-operative (system owners) Introduction Resource Ownership Cost Installers & RFP Future In Canada Solar Thermal System (installed on community center, owned by co-op) Community Center Co-operative (Community Residents) ENERGY PAYMENT Model 1 Community Power & Ownership Structure Ownership Structure: Co-operative Models : Community Power & Ownership Structure Ownership Structure: Co-operative Models Remotely sited field used for district heating Each home is metered and payment is made to the co-operative Profits are returned to residents Introduction Resource Ownership Cost Installers & RFP Future In Canada Solar Thermal Field (Sited remotely, owned by residents) Community Residents (Co-operative Members) ENERGY PAYMENT Drake Landing, AB. District Heating Community Model 2 Community Power & Ownership Structure Ownership Structure: Co-operative Models : Community Power & Ownership Structure Ownership Structure: Co-operative Models Primary Purpose: operate under the StandardOffer Program Only oneorganizationattempting toform underthis model:SolarShare Introduction Resource Ownership Cost Installers & RFP Future In Canada Solar Thermal Field (remotely sited, owned by co-op) Provincial Energy Grid Co-operative (Community Residents) ENERGY PAYMENT Other Energy Consumers ENERGY Provincial Government (through Standard Offer Program) PAYMENT Model 3 Agenda : Agenda Cost of Solar Thermal Systems The Cost of an Individual 4.2kWth System : Cost of Solar Thermal Systems The Cost of an Individual 4.2kWth System Introduction Resource Ownership Cost Installers & RFP Future In Canada Cost of Solar Thermal Systems The Cost of 50 Identical Systems (210 kWth) : Cost of Solar Thermal Systems The Cost of 50 Identical Systems (210 kWth) Introduction Resource Ownership Cost Installers & RFP Future In Canada Cost of Solar Thermal Systems The Cost of a Remotely Sited 210kWth Field : Cost of Solar Thermal Systems The Cost of a Remotely Sited 210kWth Field Introduction Resource Ownership Cost Installers & RFP Future In Canada Agenda : Agenda Installers & the RFP/RFQ Process Installers : Installers & the RFP/RFQ Process Installers List of CanSIArecognized installersand systemmanufacturers canbe found on the CanSIA website: www.cansia.ca/directory Introduction Resource Ownership Cost Installers & RFP Future In Canada Installers & the RFP/RFQ Process RFP/RFQ Process : Installers & the RFP/RFQ Process RFP/RFQ Process Request for Proposal Request for a bid on a specific system Bids are legal offers Decision committee must select one Better price achieved from quantity discount Request for Quote Request for a bid for a specific application Bids are not legal offers Homeowners will select their own winning bid Greater flexibility to individual homeowners Introduction Resource Ownership Cost Installers & RFP Future In Canada Agenda : Agenda The Future of Solar Thermal Policy Two Methods of Categorizing ST : The Future of Solar Thermal Policy Two Methods of Categorizing ST Conservation Generation Introduction Resource Ownership Cost Installers & RFP Future In Canada The Future of Solar Thermal Policy Conservation v. Generation : The Future of Solar Thermal Policy Conservation v. Generation “Solar Thermal reduces the demand for energy”… “Solar Thermal generates energy that directly replaces electricity” Introduction Resource Ownership Cost Installers & RFP Future In Canada The Future of Solar Thermal Policy The Policy of Energy Conservation : The Future of Solar Thermal Policy The Policy of Energy Conservation Conservation-based policy is almost always a subsidy (percentage of capital cost) New federal program ecoENERGY takes this approach Still trying to determine whether this is the best strategy; how to administer; eligibility requirements Advantages Subsidies reduce the capital cost obligation. Capital cost Intensity is commonly a barrier to acceptance Introduction Resource Ownership Cost Installers & RFP Future In Canada Disadvantages Subsidies provide no lasting incentive to maintain the system in order to produce at peak capacity The Future of Solar Thermal Policy The Policy of Energy Generation : The Future of Solar Thermal Policy The Policy of Energy Generation Introduction Resource Ownership Cost Installers & RFP Future In Canada Generation-based policy is typically a Power Production Incentive (PPI) Ontario Standard Offer Program takes this approach Currently the SOP incorporates wind, bio-mass, small hydro and solar PV, but does not include Solar Thermal Advantages There is an incentive to ensure peak energy production, and to extend project life as long as possible Disadvantages There is no federally recognized metering Continued cost of project operation, administration, etc. Conclusion : Conclusion Solar Thermal industry is growing rapidly in Canada Need for a centralized information sharing network for communities CanSIA is developing a number of tools for Solar Thermal project organizers Keep posted on the NRCan website for Federal and Provincial funding updates, and the OPA’s website for changes to the SOP Conclusion Question & Comments : Conclusion Question & Comments

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