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Some Sunny Tidbits…. One square meter of south facing window will produce as much power as an electric baseboard heater. 10% of the space heating needs of the average Canadian home is already supplied by solar energy Regina receives more solar energy year-round than Rome
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Some Sunny Tidbits… • One square meter of south facing window will produce as much power as an electric baseboard heater. • 10% of the space heating needs of the average Canadian home is already supplied by solar energy • Regina receives more solar energy year-round than Rome • The 1st solar heaters in Canada were installed in the 1890s • The solar energy falling on 15 km2 of land in southern Alberta equals the entire power capacity of all the nuclear power plants in Canada • Solar energy is now a $15 billion industry worldwide • Solar will be providing 10% of Germany’s peak power requirements by 2015 (no more coal!)
Turning Ontario’s Roofs into Green GeneratorsRob McMonagle – Toronto Atmospheric Fund April 30, 2010
A Roadmap to the next 90 minutes • Some solar myths • Solar technologies - as different as night and day • Toronto and solar • A little more on photovoltaics • Having a FIT over GEGEA - no its not about having a fit over Lady Gaga • Installing solar on roofs - challenges and opportunities
Canada’s Solar Resource is One of the Best in Industrialized Nations
PV & Electricity Pricing Crossover in Ontario Price crossover 2012 - 2018
Daily Power Peak and Solar Energy • The price of electricity at peak capacity can be > $0.42 per kWh
Solar Technologies One energy source but three distinct technologies
Solar Technologies • Passive solar – natural energy flow into a building • Solar Thermal – generation of heat • Photovoltaics – direct creation of electricity
Solar Has Public Support GPC Research – Public Opinion Poll – Oct 05
Global Renewable Energy Historic Growth 30% 20% 40%
Solar Thermal Installed Capacity (2001) (Source: IEA) 16th out of 26 reporting nations Sales are 23% of the international average Note: Israel (457), Austria (205) & Greece (190) not shown
Solar Commercial Water Heating • Only support by the Canada government for solar is for solar thermal commercial & industrial applications (but growing into the residential…)
Solar Domestic Hot Water • Can provide 45% of hot water needs in Toronto • Typical cost is $4,000-$5,000 for average house • Currently 200-300 systems installed per year in Canada – mainly as retrofits • Residential is the largest market for solar – but ignored in Canada until recently • Huge opportunities for growth in this sector
Other Solar Water Heating Applications • Combi Systems • Radiant floor heating • Combining with other heat sources (earth energy – recharging during the summer) • Building Integrated • Displaces cost of building structure in new buildings • Cost of solar collectors comparable to high cost curtain walls
Solar Air Heating • Canada is a world leader in this technology • Commercial and industrial applications use a tremendous amount of “make up air” • If integrated into the design of a new building there is no additional cost World’s Largest Solar Collector – Bombardier’s Canadair Assembly Plant – Ville St-Laurent, QC
Solar Pool Heating • Average pool takes more energy to heat in the summer than it takes to heat the home in the winter • Average pool costs $3,000 to “solarize” • Average savings = $1,000 per year • 600,000 swimming pools in Canada
PV Installed Capacity Canada: - 14th of 20 reporting nations - Only 28% of the IEA average (0.28 v.s. 1.0 watts/capita) International growth was 36% in 2003 - Canada growth rate is20%
Off Grid PV • Remote Homes • 50,000 remote cabins & cottages powered by solar Canada • Remote Power • Farmers – livestock, water pumping • Canadian Coast Guard was a world leader in using PV
PV on the Grid • This market is only beginning in Canada • 100 home systems installed per year • Biggest market and the greatest potential • More on this later
Toronto is investing in its Renewable Energy Future • Solar on municipal buildings • 28 systems installed so far • PV • Solar Hot Water • Solar Pool Heating • Solar Air Heating • Plus other renewable technologies • Geo-energy & Deep Lake Water Cooling • Wind generators (ground mount and on buildings)
Toronto Solar Neighbourhoods Pilot– the Highest Density of SDHW Systems in Canada • Pilot in 1 ward • Toronto has 44 • 100 SDHW systems sold • 1 in every 150 homes (100/15,000) • If we did this in all of Toronto • 4,400 systems sales • National Average Sales in Canada – 400 – 1,000 per year
Photovoltaics – Solar Electricity The only true electrical generator … [moving us out of the steam engine era]
International Deployment of PV 78 % On grid Source: IEA (www.iea-pvps.org)
Photovoltaics (or PV) • Photovoltaics can be installed: • As part of the building • On the ground • On the roof
Building Integrated Solar PV • Reduces cost by 50 – 100% • Eliminates other building materials • The building becomes the power supply • PV can be comparable in price to high-end glazing and curtain wall materials • Result – modern design, a green statement, and energy savings • Opportunities Galore!
Curtain Walls • Modules are frameless which make them easy to fit into conventional building encasement systems
Overhead Glazing <> • Architectural elements can be made functional with the addition of PV glazing • Skylights made from solar modules manage light and reduce energy bills
Façade Glazing • Thin Film PV technology is available with varying degrees of translucence – from opaque to transparent • Applied as the front piece of a glazing system • So you can see out of them and they produce electricity! • Crystalline Silicon can be laminated between glazing material to form unique patterns
Building Components • Building Components: • awnings • balcony railings
Cost of Façade Products vs. PV • Cost of PV is comparable to cost of building facades • Cost of other solar technologies is considerable less ($/m2 & $/kWt)
Solar Farms and Solar Parks • Challenges with large ground mounted PV • Cost of land • NIMBYism – does it take away farm land? • But why aren’t we complaining about urban sprawl? • Its takes away the primary advantage of PV • Distributed generation • Close to demand – which eliminates infrastructure costs
However the majority of sales will be on roofs • Expereince in Europe is it’s all on the roof (89%)
The Green Energy and Green Economy (GEGE) Act and Feed-in Tariffs (FiTs) Shedding a little light on the situation …
Electricity - We’re Heading for the Perfect Storm • Aging Fleet of Generators • Replacement should have started a decade ago • Most Power Stations take 5-15 years to construct • Aging Distribution System • Replacement should have started a decade ago • Costs are huge (but not talked about) • Energy Demand is Increasing • Air conditioning, increased usage, growing population • Growing Demand for Natural Gas • Beginning to use NG for thermal and electricity • Our economy is driven by NG • And let’s not forget about climate change
Climate Change will Increase the Number of Hot Days in Toronto 1. A Scan of Climate Change Impacts on Toronto – Clean Air Partnership
Electrical Peaks will Increase • Electricity Demand vs Daily Temperature Electricity demand decreases as air temperature rises until the point at which air conditioners kick it Source: Liu 2003 – 1994-2000 Toronto data
Air Conditioners in Ontario • Ontario has the greatest # of central A/C • While more efficient than window units they consume more energy (whole house vs. single room)
Ontario’s Electrical Demand Peaks in the Summer source: Ontario IESO