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In 2005, renewable sources accounted for approximately 61 percent of the Canadian installed electricity capacity (see Table 7-1). Most of the renewable energy used in Canada comes from either hydro-electricity or thermal energy from biomass such as wood-waste sources.
Hydro-Electricity
Hydro-electricity is a renewable form of electricity that is generated from a system or technology that uses a mechanical method to capture and convert the potential energy of water.
Hydro is the main source of electricity in Canada, accounting for approximately 60 percent of the electricity generated in 2005. Canada's hydro supply is dominated by large-scale projects that were developed by electric utilities. Of the 72 000 megawatts (MW) of installed hydro capacity, approximately 3200 MW comes from small hydro sites (less than 50 MW), about 2.7 percent of Canada's total installed electricity capacity. Significant potential remains for additional hydro-electric development in Canada, in most provinces and territories.
Biomass
Bioenergy is a renewable source of energy derived from the conversion of materials of either living organisms or metabolic by-products. Canada has an abundant supply of many types of biomass, which is important in the production of energy, biofuels, materials and chemicals. The two largest sources of biomass supply in Canada come from forestry and agricultural operations.
The typical biomass supply is derived from
Canada is using approximately 6 percent of its energy demand from bioenergy. This amount of renewable bioenergy ranks second to hydro power (which generates 11 percent of Canada's energy). Most of the bioenergy being produced is in the form of industrial process heat, electricity, steam and residential space heating.
TABLE 7-1
| Year | Renewable electricity generation capacity (megawatts) |
Percent of total capacity |
| 1990 | 59 557 | 58 |
| 1991 | 61 116 | 58 |
| 1992 | 62 895 | 58 |
| 1993 | 63 114 | 56 |
| 1994 | 63 175 | 56 |
| 1995 | 66 542 | 57 |
| 1996 | 67 101 | 59 |
| 1997 | 68 202 | 61 |
| 1998 | 68 340 | 62 |
| 1999 | 68 686 | 62 |
| 2000 | 69 005 | 62 |
| 2001 | 68 734 | 61 |
| 2002 | 70 895 | 62 |
| 2003 | 72 160 | 62 |
| 2004 | 72 783 | 62 |
| 2005 | 74 373 | 61 |
Source: Statistics Canada catalogue 57-206-XIB
TABLE 7-2
| Electricity | Thermal Energy |
| Hydro-electricity | Biomass (e.g. roundwood, pellets, wood chips) |
| Tidal power | Ground-source heat pumps (e.g. earth energy) |
| Biomass (e.g. wood waste) | Solar air-heating systems |
| Biogas (e.g. methane from landfill sites) | Solar hot water systems |
| Wind turbines | |
| Photovoltaic systems | |
| Mechanical Power | Transportation |
| Wind water pumps | Biodiesel |
| Ethanol from biomass | |
The pulp and paper industry is Canada's major producer and user of bioenergy. Heat and electricity produced by industry, electricity generated by independent power producers, and residential wood heat are all considered commonplace in Canada's energy mix. As an example, approximately 3 million Canadian households use wood for home heating. Roundwood is typically used but alternatives include wood chips and pellets. Home heating with wood usually takes the form of stand-alone wood stoves, wood furnaces with hot-water or forced-air systems, fireplaces with advanced combustion inserts, high-efficiency fireplaces or high-thermal-mass masonry heaters.
Biogas and landfill gas (methane rich gases that are derived from manure, animal processing wastes, other agricultural residues and municipal waste) for energy production is just emerging and contributed just over 100 MW of power in 2006.
Biomass also shows potential as a feedstock for liquid fuels. Approximately 200 million litres of fuel ethanol are produced annually in Canada from cereal grain and corn. Biodiesel is also produced in small quantities but production is increasing. It is accepted that Canada has potential to increase its bioenergy production in a sustainable manner.
Earth Energy
As a result of the sun heating the surface of the planet, the temperature of the earth that is 1 or 2 metres (m) below the surface remains fairly constant – between 5°C and 10°C. This temperature is warmer than the air during the winter and cooler than the air in the summer. A ground-source heat pump takes advantage of this temperature difference by using the earth or the ground water as a source of heat in the winter and as a "sink" for heat removed from indoor air in the summer. For this reason, a ground-source heat pump is known as an earth energy system (EES).
During winter, EES installations remove heat from the earth using a liquid, typically an anti-freeze solution or water, that circulates within an underground loop. The EES then upgrades the heat with a conventional heat pump and transfers it to indoor space or the water-heating system. During summer, the system reverses this process to operate as an air conditioner. EES installations supply less than 1 percent of the market for space and water heating and cooling in Canada.
Wind Energy
Wind turbines convert the kinetic energy of wind into electrical or mechanical energy. Canada's land mass and coastal waters combine to provide a wind resource with potential estimated at more than 100 000 MW. As of December 2006, a total of 1460 MW of wind power were installed in Canada, making it the thirteenth country that has reached the 1000 MW milestone and the twelfth largest nation in terms of installed wind energy capacity. 2006 was a record year for Canadian wind power with an increase of 776 MW from last year's level of 683 MW, which is a 113 percent increase. Recent policy developments have spurred record growth in the Canadian wind generation industry (see Figure 7-1). Wind energy currently accounts for approximately 0.7 percent of Canada's total electricity generation, up from 0.4 percent in 2005.
Wind energy also provides mechanical power. Several thousand wind-powered water pumps are used throughout Canada, mostly in the Prairie provinces. As well, Canadians use small, residential-sized wind turbines to power cottages and remote houses.
Solar Energy
Three main technologies use energy from the sun:
The Canadian solar thermal installed capacity in 2005 was 419 000 m2 or 290 MWthermal. The domestic market increase has averaged 17 percent annually since 1998. In 2005, the solar thermal collector market in Canada was 61 500 m2 compared with 53 600 m2 in 2004.
The Canadian total photovoltaic (PV) installed capacity in 2006 was 20.5 MW with a sustained domestic market growth that has averaged 22 percent annually since 1992. In 2006, the PV module market in Canada was 3.75 MW compared with 3.68 MW in 2005.
Module prices declined from $11.09/W in 1999 to $5.36/W in 2006. This is an average annual price reduction of 9 percent. Twelve manufacturers in Canada reported revenues from manufacturing operations related to system sales of $137 million and the addition of 55 jobs in 2006. The PV business in Canada is valued at $205 million and employs 1030 people.
Natural Resources Canada (NRCan) delivers several initiatives to increase the use of small-scale renewable energy in Canada. The following is the array of NRCan renewable energy programs.
Objective: To support the installation of 1000 MW of wind energy capacity or the production of 2.6 terawatt hours by March 31, 2007.
Under the Wind Power Production Incentive (WPPI), electric utilities, independent power producers and other stakeholders could qualify for an incentive averaging $0.01/kilowatt hour (kWh) on electricity produced from wind over a 10-year period. The commitment period for new wind energy projects under the program came to an end on March 31, 2007.
Key 2006-2007 Achievements
For more information:
canren.gc.ca/wppi
Objective: To purchase electricity from emerging renewable energy sources (ERES) certified by a third party as having low environmental impact, with the objective of reducing GHGs and other air pollution emissions associated with federal electricity consumption.
Between 1998 and 2001, NRCan entered into three pilot projects to purchase electricity from ERES for federal facilities in Alberta, Saskatchewan and Prince Edward Island. The Government of Canada pledged to purchase 20 percent of its electricity from ERES by 2010.
Key 2006-2007 Achievements
For more information:
http://ecoaction.gc.ca/ecoenergy-ecoenergie/power-electricite/index-eng.cfm
Objective: To stimulate the demand for renewable energy systems by helping the supply industry with its marketing and infrastructure development, including the provision of financial incentives.
The Renewable Energy Deployment Initiative (REDI) targets four systems: solar water heating, solar air heating and cooling, earth energy, and high-efficiency, low-emission biomass combustion. REDI promotes these systems in the business, federal and industrial markets through various means: a financial incentive, industry infrastructure development, a partnership with a utility coalition, market assessment, and information provision and awareness-raising activities.
Key 2006-2007 Achievements
For more information:
http://ecoaction.gc.ca/ecoenergy-ecoenergie/heat-chauffage/index-eng.cfm
TABLE 7-3
| Fiscal year |
Number of projects completed |
Estimated GHG reduction (tonnes CO2/yr) |
Client investment ($) |
Federal incentive ($) |
|---|---|---|---|---|
| 1998 | 10 | 2 909 | 1,428,063 | 176,392 |
| 1999 | 70 | 329 | 689,633 | 189,910 |
| 2000 | 131 | 6 370 | 2,170,918 | 327,078 |
| 2001 | 51 | 23 465 | 6,708,120 | 1,362,399 |
| 2002 | 50 | 7 643 | 5,048,607 | 956,600 |
| 2003 | 119 | 33 975 | 25,060,504 | 3,226,694 |
| 2004 | 65 | 47 446 | 11,200,943 | 2,250,421 |
| 2005 | 298 | 18 987 | 21,494,497 | 2,920,750 |
| Total | 794 | 141 124 | 73,801,285 | 11,410,244 |
Objective: To support the development and application of solar photovoltaic technologies in Canada.
The Photovoltaic and Hybrid Systems program contributes to increasing the use of photovoltaic (PV) energy technologies in Canada by developing technologies and by facilitating the development of a Canadian-based globally competitive solar industry. It also contributes to the development of policies and programs. In collaboration with Canadian industry and universities as well as international energy research organizations, the program undertakes research and development (R&D) activities and fosters information exchanges. This leads to the adoption of PV-hybrid systems that produce electricity from solar energy and another energy source; validates the performance and safety of utility-interactive inverter products; supports the development of building-integrated PV technologies and systems; and facilitates the development and adoption of harmonized standards and codes for micropower systems in Canada.
Key 2006-2007 Achievements
For more information:
cetc-varennes.nrcan.gc.ca/en/er_re.html
Objective: To support efforts by Canadian industry to develop bioenergy technologies.
Technologies supported by the Bioenergy Technology program include combustion, biochemical conversion of biomass to ethanol, thermochemical conversion of biomass to bio-oil and biogas, and biomass preparation and handling. Activities are directed toward improving the reliability and lowering the cost of technologies, disseminating information on technology feasibility and economics to potential users, and helping industry commercialize its products in domestic and foreign markets.
Key 2006-2007 Achievements
For more information:
nrcan.gc.ca/es/etb/cetc/cetc01/htmldocs/Groups/
Research%20Programs/program_bioenergy_e.htm
Objective: To promote energy diversity and support efforts by Canadian industry to develop renewable energy technologies.
Working in partnership with associations, government and industry, the CANMET Energy Technology Centre (CETC) aims to improve the economics and efficiency of renewable energy technologies, including wind energy, small and low-head hydro, ocean energy, solar thermal and energy storage. It is actively involved in R&D to support the growth of the renewable energy industry in Canada. Growth will be achieved by
Key 2006-2007 Achievements
For more information:
sbc.nrcan.gc.ca
Objective: To develop sustainable and cost-effective technologies in bioenergy, biofuels, bioproducts and industrial bioprocesses for market acceptance, utilizing biomass resources in a sustainable and responsible way.
The Canadian Biomass Innovation Network (CBIN) supports strategic R&D in the areas of bioenergy, biofuels, bioproducts and industrial bioprocesses to displace Canada's fossil fuel energy consumption; directly or indirectly reduce GHG emissions; and seed the sustainable development of Canada's bio-based economy.
CBIN is a horizontal program developed and managed by five federal departments: Agriculture and Agri-Food Canada, Environment Canada, Industry Canada, National Research Council and NRCan.
Key 2006-2007 Achievements
For more information:
cbin.gc.ca