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DC Distribution Opportunities and Impact on Homes and Buildings : Renewable Energy Technologies, Energy Storage Systems, and EVs are Vital for DC to Gain Traction in Homes and Buildings

With the rising penetration of energy-consuming 'above the waist' (native DC) loads in commercial and residential applications and the increasing focus on the adoption of energy-efficient systems to fulfill ambitious national goals, the debate over the relative merits of AC- versus DC- based systems has intensified. This study takes the discussion further and analyses key drivers, such as solar PV power generation, energy storage, LED lighting, and electric vehicles, and their impact on the homes and buildings industries (which would enable the emergence of a DC-powered ecosystem). The convergence of competition, key business models, and the front runners in terms of offering LVDC products is also discussed.

Key Findings

-In today’s world, power distribution in buildings is dominated by alternating current (AC) systems. Despite the ongoing debate of the various merits of AC versus direct current (DC) distribution, the original battle was won many decades ago by AC and the result is a huge legacy and installed base of AC distribution in homes and buildings.

-More recently, the debate has been re-opened due to rapid growth in DC-friendly areas, such as energy storage, solar photovoltaic (PV) power generation, LED lighting, mobile device charging, and electric vehicles (EVs). All these could potentially operate more efficiently and safely in a DC ecosystem.

-The increasing adoption of solar PV in homes and buildings for power generation, and its integration with energy storage systems (ESSs), and the mainstream entry of LED lighting will be gateways for the emergence of DC distribution networks in future.

-Market challenges, such as legacy AC systems and the lack of DC-ready products, pose great barriers to DC distribution in buildings. However, open industry associations, such as EMerge Alliance, are striving to address these barriers by providing standards for DC power distribution.

-A DC-powered ecosystem will be suitable for applications such as data centres, telecom shelters, and commercial and residential buildings as % of the energy in these buildings is consumed by devices and equipment native to DC loads.

-The United States, Germany, the United Kingdom, France, China, Japan, and South Korea hold the potential to move towards developing stand-alone and grid-connected DC-powered buildings and DC distribution networks as they are strong contributors in terms of LED lighting, solar PV, and energy storage.

Table Of Contents

DC Distribution Opportunities and Impact on Homes and Buildings 

Executive Summary
1. Key Findings
2. CEO's 360 Degree Perspective
3. 3 Big Predictions
4. Associated Research and Multimedia on DC Power
5. Technology Roadmap for DC-powered Homes and Buildings


DC Power ion Overview
1. Market Definition and Segmentation
2. ESS Overview
3. DC-powered Homes and Buildings—Architecture


Growing Need for DC-owered Buildings
1. Energy Consumption Trends in Homes and Buildings
2. Primary Energy Use in Homes and Buildings
3. Hidden Inefficiencies in AC/DC Power Conversion


Drivers and Restraints
1. Key Drivers
2. Key Drivers Summary
3. Key Restraints
4. Key Restraints Summary
5. Drivers and Restraints—Impact Mapping


DC Opportunities in Homes and Buildings
1. Global Hotspots and Emerging Geographies
2. Evolution of DC Distribution Networks
3. Impact of Key Trends on DC-powered Homes and Buildings
4. Stakeholders of DC-powered Homes and Buildings
5. Front Runners in terms of Offering LVDC Products in Buildings
6. Industry Value Chain
7. Global Participants
8. Value Proposition by Key Participants
9. Value Proposition by Emerging Participants
10. Key Partnerships in the Energy Storage Market
11. Key Partnerships in the Energy Storage Market
12. New Business Models
13. Implications of Energy Storage Business Models on the Homes and Buildings Industry
14. Implications of Energy Storage Business Models on the Homes and Buildings Industry


Future of Energy Storage in Smart Cities
1. Energy Storage in Smart Cities
2. Energy Storage in Smart Cities
3. Impact of Energy Storage on Smart Cities—Consumer Perspective
4. Future of DC-powered Homes and Buildings


Case Studies
1. Case Study 1—AES Corporation
2. Case Study 2—Panasonic
3. Legal Disclaimer


1. Abbreviations and Acronyms


The Frost and Sullivan Story
1. The Frost and Sullivan Story
2. Value Proposition—Future of Your Company and Career
3. Global Perspective
4. Industry Convergence
5. 360º Research Perspective
6. Implementation Excellence
7. Our Blue Ocean Strategy

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