Chile has a growing market for US-manufactured energy-efficient motors. Chilean industry will invest US$25 billion in new infrastructure over the next 6 years, creating a vibrant market for efficient motor technology. A US$2.8 million Global Environment Facility project will retrofit electric motors in the mining industry. This project will also increase the size of the Chilean market for efficient motors.
In 1994, approximately US$18 million worth of motors were sold
in Chile. Sales have been growing at about 15 percent per year.
All motors are imported. The Chilean market is highly competitive
and price sensitive. Of the 45 motor manufacturers in the world,
30 sell in Chile. Sales of US motors in Chile in 1990 and 1993
are presented in Table 6.
The market is divided between two groups of suppliers. South
American, Eastern European and Asian manufacturers sell standard
motors while US and European manufacturers sell high-quality
motors (see Tables 7 and 8). The Japanese motor industry does not
sell in Chile.
The most energy-efficient motors on the market cost between 25
and 40 percent more than standard motors. The prices of standard
motors varies between 10 and 15 percent among competitors while
that of high-quality motors varies between 3 and 5 percent.
TABLE 8: MANUFACTURERS OF HIGH PERFORMANCE
MOTORS
REPRESENTED IN CHILE SOURCE: PERSONAL COMMUNICATION
| US motor manufacturers | European motor manufacturers |
| Reliance Electric | Leroy Somer (France) |
| US Motors | ABB (Switzerland) |
| General Electric | Siemens (Germany) |
| Baldor | GEC (England) |
TABLE 7: MANUFACTURERS OF "STANDARD" ELECTRIC MOTORS REPRESENTED IN CHILE SOURCE: PERSONAL COMMUNICATION
| South American motors | East European motors | Asian motors |
| WEG (Brazil) | VEM (Romania) | China, 4 manufacturers |
| Eberle (Brazil) | Poland | Taiwan, 2 manufacturers |
| Hungary | Korea, 2 manufacturers | |
| Czech Republic |
Standard motors make up three quarters of the market with
high-quality motors making up the rest. Annual sales of
high-performance, energy-efficient motors represent less than 1
percent (US$180,000) of the market. European and American
manufacturers control 90 percent of these sales.
Foreign motor manufacturers market their products in Chile by
stressing the value added by high-quality, energy-efficient
motors and adjustable speed drives. This strategy is receiving
increasing attention from Chile's industrial companies that are
under pressure to reduce operating costs and comply with new
environmental regulations.
In a highly competitive market, energy-efficient motors can
lower production costs for industry. Chilean industry prefers US
technology and generally develops strong loyalty to product
suppliers.
Large Chilean industries are beginning to realize the value of
energy-efficient motors in reducing production costs. The
following is a summary of one study that investigated the
potential for energy-efficient motors in the copper mining
industry.
Codelco, Chile's publicly-owned copper company and the
nation's industrial giant, undertook a study of the energy
efficiency potential in the world's largest open pit copper mine,
Chuquicamata. The mine uses more than 7,000 motors in its
operations. Seventy-three percent of energy consumption at the
facility is used for operation of electric motors, 23 percent for
electro-winning and electro-refining operations and 4 percent for
power transmission and transformers (see Table 9).
The concentrator, which eliminates non-copper materials during
copper production, accounts for half of the mine's electricity
demand. Eighty-four percent of the motors in the mine operate
continuously.
TABLE 9: DISTRIBUTION OF ELECTRICITY
CONSUMED
IN MOTORS AT THE CHUQUICAMATA MINE
| Process | Electricity
Consumed (GWh) |
Percent of Mine total | Continuous
Operation? |
| Mineral extraction | 77 | 5 | No |
| Crushers/ conveyors | 144 | 9.4 | Yes |
| Concentrator | 725 | 47.5 | Yes |
| Smelter | 40 | 2.6 | No |
| Leaching | 59 | 3.9 | No |
| Air supply | 141 | 9.2 | Yes |
| Oxygen supply | 158 | 10.3 | Yes |
| Sulfuric acid | 108 | 7.1 | Yes |
| Total | 1,452 | 95.1 | 83.6% |
Source: Leibbrandt And Lowick-Russell
After evaluating the baseline and potential efficiencies of this motor population, the study found that replacing continuously-operating motors with high-efficiency motors would reduce electricity consumption by 47 GWh. If all motors were replaced, Chuqui's electricity consumption would be reduced by 55 GWh, saving the mine US$3 million per year in electricity costs.43 After including efficiency improvements to the busbars, the facility could save more than 77 GWh and at least US$5 million per year.
FIGURE 10: ENERGY EFFICIENCY POTENTIAL IN THE CHUQUI MINE'S MOTORS
The results of this study are consistent with others conducted
at other mining facilities around the country. For example, the
concentrator at Codelco's Andina division is responsible for 82
percent of the annual energy consumption of the division.44
Chilean copper mines have their own electrical departments
that purchase and perform maintenance on electrical equipment.
Staff are knowledgeable but departments have limited annual
operating budgets and are accustomed to rewinding failed motors.
This reduces the efficiency of motors.
Other obstacles to the sale of energy-efficient motors are similar to those found in other parts of the world. They include:
A concerted marketing effort on the part of motor
manufacturers could overcome many of these barriers.
The Global Environment Facility (GEF) has recently provided
US$2.8 million for a project to reduce greenhouse gas emissions
in Chile. Scheduled to begin in May 1995, the project will
improve the energy efficiency of motors in the Chilean mining
industry and increase biomass methanol production for the
transport sector. More than half of the project's funding will go
towards motors in the form of technical assistance, institutional
incentives and energy service companies (ESCOs). The project
should raise awareness and increase the market for
high-performance motors.
The project objectives include:
Most of Chile's largest industries buy directly from motor manufacturers through local representatives or distributors. Standard-quality motor manufacturers control 85 percent of sales to small end-users, distributors and equipment manufacturers (like appliance manufacturers).
43 Personal communication, Peter
Lowick-Russell, Procobre and Jürgen Leibbrandt, Codelco,
Santiago, Chile, September 1994.
44 Edgardo Villagra Valenzuela, "Ahorra de
energía, mano de obra y repuestos en la industria minera del
cobre, Codelco Andina" Seminario Nacional Uso Eficiente de
la Energía, 19 de Noviembre de 1991.
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