solar decathlon: the uprm solar house project and the
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Solar Decathlon: The UPRM Solar Decathlon: The UPRM Solar House Project and the Solar House Project and the Perspectives for Solar Energy Perspectives for Solar Energy in Puerto Ricoin Puerto Rico
Dr. Gerson BeauchampDr. Gerson BeauchampProfessorProfessorElectrical and Computer Engineering DepartmentElectrical and Computer Engineering DepartmentUniversity of Puerto RicoUniversity of Puerto Rico
OverviewOverview
The UPRM Solar House ProjectThe UPRM Solar House ProjectThe Solar Decathlon 2007The Solar Decathlon 2007Photovoltaic (PV) SystemsPhotovoltaic (PV) SystemsThe Perspectives for Solar Energy in The Perspectives for Solar Energy in Puerto RicoPuerto Rico
20022002CompetitionCompetition
Images of the Inaugural Ceremony, the Solar Village and a delegation of the UPR Team
20052005CompetitionCompetition
Images of the House Tours, the Cooking Task and the Inaugural Ceremony
The CompetitionThe Competition•• Will take place on the National Mall in Will take place on the National Mall in Washington, D.C., Washington, D.C.,
from September 21from September 21--30, 2007.30, 2007.
•• Consists of Consists of ten (10) eventsten (10) events that encompass all the ways in that encompass all the ways in which societies use energy in their daily lives.which societies use energy in their daily lives.
Solar Decathlon 2007Solar Decathlon 2007
Twenty (20) universitieswill compete against each other in this challenging decathlon during a week in which the public and the media will be invited.
Solar Decathlon 2007Solar Decathlon 2007
Appliances
Comfort Zone
Energy Balance
Hot Water
Engineering
Communications
100
Architecture
100
Getting Around
Lighting
100
100
100
100100
100
100
Marketability
200Decathlon
EventsDecathlon
Events
Solar Decathlon 2007 Solar Decathlon 2007 ParticipantsParticipants
TechnischeTechnische UniversitUniversitäätt DarmstadtDarmstadtTexas A& M UniversityTexas A& M University
The Pennsylvania State UniversityThe Pennsylvania State UniversityUniversidad Universidad PolitPolitéécnicacnica de Madridde Madrid
University of CincinnatiUniversity of CincinnatiUniversity of Colorado University of Colorado
University of Illinois at UrbanaUniversity of Illinois at Urbana--ChampaignChampaignUniversity of MarylandUniversity of Maryland
University of MissouriUniversity of Missouri--RollaRollaUniversity of Texas at AustinUniversity of Texas at Austin
Universidad de Puerto RicoUniversidad de Puerto RicoCalifornia Polytechnic State UniversityCalifornia Polytechnic State UniversityCarnegie Mellon UniversityCarnegie Mellon UniversityCornell UniversityCornell UniversityGeorgia Institute of TechnologyGeorgia Institute of TechnologyKansas State UniversityKansas State UniversityLawrence Technological UniversityLawrence Technological UniversityMassachusetts Institute of TechnologyMassachusetts Institute of TechnologyNew York Institute of TechnologyNew York Institute of TechnologyUniversitUniversitéé de Montrde Montrééalal
Official SponsorsOfficial SponsorsThe Solar Decathlon is a competition The Solar Decathlon is a competition
sponsored by: sponsored by:
•• U.S. Department of Energy (DOE) U.S. Department of Energy (DOE) •• Office of Energy Efficiency and Renewable Office of Energy Efficiency and Renewable
EnergyEnergy•• National Renewable Energy Laboratory (NREL)National Renewable Energy Laboratory (NREL)•• American Institute of Architects (AIA) American Institute of Architects (AIA) •• National Association of Home BuildersNational Association of Home Builders•• BP SolarBP Solar•• Do It Yourself NetworkDo It Yourself Network•• SprintSprint
2005 Solar Village2005 Solar VillageLot in the 2007
Competition
PV SystemsPV Systems
Solar CellsSolar Cells
Solar Cell ArraysSolar Cell Arrays
Energy StorageEnergy StorageBattery Bank
Energy ManagementEnergy Management
Charge ControllersCharge ControllersInvertersInverters(DC(DC--toto--AC converters)AC converters)
Stand Alone PV SystemsStand Alone PV Systems
PV Systems that are able to supply all the PV Systems that are able to supply all the energy demand independentlyenergy demand independentlyThey may or may not require the use of a They may or may not require the use of a Battery BankBattery BankThese systems are feasible where utility These systems are feasible where utility services are not availableservices are not availableThey are typically used for remote home sites They are typically used for remote home sites or places where the cost for utility service may or places where the cost for utility service may be prohibitivebe prohibitive
GridGrid--Tied PV SystemTied PV System
PV systems that are interconnected to the PV systems that are interconnected to the conventional utility system.conventional utility system.GridGrid--Tied PVTied PV with Battery Backup with Battery Backup -- designed designed to provide power in the event of a utility outageto provide power in the event of a utility outageProvide a way to sell power back to the utilityProvide a way to sell power back to the utilityThe Utility may be used as a backup for the The Utility may be used as a backup for the systemsystem
The State of RegulationThe State of Regulation
Public Utility Regulatory Policies Act of Public Utility Regulatory Policies Act of 1978 (PURPA)1978 (PURPA)
Utility companies are obliged to purchase Utility companies are obliged to purchase energy from independent producers based energy from independent producers based on a pricing structure referred to as avoided on a pricing structure referred to as avoided cost ratescost ratesThis rate is smaller than the rate the utility This rate is smaller than the rate the utility company sells the energy to the smaller company sells the energy to the smaller producerproducer
The State of RegulationThe State of Regulation
Net MeteringNet MeteringUnder net metering, excess electricity Under net metering, excess electricity produced by the PV System will spin the produced by the PV System will spin the existing home or business electricity meter existing home or business electricity meter backwards, effectively banking the electricity backwards, effectively banking the electricity until it is needed by the customeruntil it is needed by the customerThis provides the customer with full retail This provides the customer with full retail value for all the electricity producedvalue for all the electricity produced
Avoided Cost ConceptAvoided Cost Concept
18-22 cent-kilowatt-Hour
4-6 cent-kilowatt-hour
kWh Meter
18-22 cent-kilowatt-Hour
4-6 cent-kilowatt-hour
kWh Meter
Avoided Cost ConceptAvoided Cost Concept
Net Metering ConceptNet Metering Concept
18-22 cent-kilowatt-Hour
18-22 cent-kilowatt-hour
kWh Meter
Net Metering ConceptNet Metering Concept
18-22 cent-kilowatt-Hour
18-22 cent-kilowatt-hour
kWh Meter
The State of Net MeteringThe State of Net Metering
Net metering is allowed in 40 US States and Net metering is allowed in 40 US States and Washington D.C.Washington D.C.Allowed system sizes range from 10 kW to noAllowed system sizes range from 10 kW to no--limitlimitBureaucracy and governmental barriers have Bureaucracy and governmental barriers have slowed down the growth of gridslowed down the growth of grid--tied systemstied systemsNet metering is not allowed in Puerto RicoNet metering is not allowed in Puerto Rico
Questions?Questions?