2012年-世界发展银行全球_ICT_Solutions_for_Energy_Efficiency_46页_963kb

Summary of ICT Solutions for Energy Efficiency

Core Content

This report explores the transformative role of Information and Communication Technologies (ICT) in achieving energy efficiency, particularly in the context of a low-carbon future. It emphasizes that while ICT has historically improved economic productivity, its potential to reduce energy consumption and carbon emissions is increasingly recognized. The report highlights the importance of acting now, together, and differently to address climate change, with a focus on the development and application of ICT-based solutions in smart logistics, smart grid/smart metering, and smart buildings.

ICT itself is a significant energy consumer, but innovations within its sector can contribute to a lower carbon footprint. Additionally, ICT applications that promote dematerialisation (e.g., e-government, e-books, e-banking) can reduce energy and resource use. However, the most impactful applications lie in other areas, such as building automation, where ICT enables more efficient use of energy.

Main Points

• Energy Efficiency Opportunity: Energy efficiency is a major opportunity for both developed and developing countries, with ICT serving as a key enabler.
• ICT's Role in Dematerialisation: ICT can reduce energy and resource use by enabling digital alternatives to physical products and services.
• Smart Buildings as a Focus Area: Buildings account for a large share of global energy consumption, and smart building technologies are critical in reducing this.
• Challenges and Barriers: While technological innovation is important, the development of appropriate financing models and policy frameworks is even more critical for large-scale ICT implementation.
• Developed vs. Developing Countries: Most case studies are from developed countries due to the availability of data and the maturity of ICT applications. However, the report acknowledges the growing potential of ICT in developing countries as the technology becomes more scalable and cost-effective.

Key Information

• Energy Consumption in Buildings: Globally, buildings account for about 40% of primary energy use, and in OECD countries, this figure ranges from 25% to 40%.
• Potential Energy Savings: The IPCC estimates that CO2 emissions from building energy use could be reduced by 29% by 2020 at no net cost.
• Energy Service Companies (ESCOs): ESCOs are crucial for energy efficiency upgrades, especially in developing countries, as they help finance and deploy improvements without upfront costs.
• ICT Technologies in Action:
  • Adura Technologies' LightPoint System: A wireless lighting control system that allows for granular control and significant energy savings.
  • EnOcean's Energy Harvesting Sensors: Wireless, battery-free sensors that can be used in building automation systems to reduce energy consumption and installation costs.
  • Metrolight's Smart Ballast Control: A solution that reduces power consumption in high-intensity discharge (HID) lighting while maintaining light output.

Case Studies Overview

Example 1: Turnkey Lighting Management Systems

• Adura Technologies: Installed a wireless lighting control system in Webcor Concrete's facility, reducing daily energy use from 50 kWh to 17 kWh and saving approximately $1,300 annually.
• University of California, Santa Barbara: Replaced HPS luminaires with induction fixtures and wireless daylighting systems, achieving 12,790 kWh annual savings and a payback period of six years.
• University of California-Berkeley (2 Libraries): Implemented a lighting control system that cut annual electricity use by 170 MWh, with a payback period of less than a year.

Example 2: Energy Harvesting Sensors

• BSC Computer GmbH: Automated its headquarters using EnOcean technology, resulting in an 80% reduction in energy costs and a four-year payback period.
• Hotel Kempinski, Dubai: Installed solar-powered lux sensors and wireless controls, reducing wattage in the lobby from 80 W to 18 W while increasing light output.
• Retirement Home, Bilbao: Used EnOcean-enabled products to control lighting and heating, reducing energy use and operational costs without the need for wiring.
• Olympic Village, Whistler: Reduced installation costs by 70% using EnOcean technology, saving $52,000 and enabling easy removal and reinstallation post-event.

Example 3: Smart Ballast Control

• Changi Prison Complex, Singapore: Implemented Metrolight's SmartHID ballasts, reducing energy use and increasing maintenance efficiency.
• bauMax DIY Retail Stores: Reduced lamp power from 400W to 280W, with systems capable of operating for 20,000 hours without loss of lumens.
• London Borough of Tower Hamlets: Replaced magnetic ballasts with Metrolight's HPI-T lamps, operating at 80% of full power and improving light quality.
• AB&I Foundry: Used Metrolight's electronic HID technology to reduce energy costs and improve lighting efficiency in an aging industrial facility.

Conclusions

ICT is beginning to play a significant role in enabling energy efficiency through automation, communication, and data management. While the majority of case studies are from the developed world, the potential for ICT to contribute to energy efficiency in developing countries is growing. The report underscores the need for scalable financing models and supportive policy frameworks to facilitate the widespread adoption of ICT solutions. It also highlights the importance of adapting ICT solutions to different building codes, grid networks, and local challenges to ensure their effectiveness and accessibility.

References

The report references several studies and organizations, including the World Development Report 2010, the U.S. Environmental Protection Agency, and the World Resources Institute, to support its findings and recommendations.