以新—代数字技术为代表的第四次工业革命向经济社会各领域全面渗透， 引领生产方式和经营管理模式快速变革。 国家在能源革命、 数字中国、 数字经济等方面作出—系列重大决策部署， 积极推进数字产业化、 产业数字化， 促进数字经济与实体经济的深度融合， 推动经济高质量发展。

南方电网公司作为关系国计民生的国有重要骨干企业， 坚决贯彻落实国家—系列重大 部署， 紧紧把握历史机遇， 以数字化转型为抓手， 持续推进传统电网数字化、 网络化、 智能化， 建设数字电网， 以 电力＋算力” 带动能源产业能级跃升， 促进经济社会高质量发展。

数字电网是—个新的概念， 是南方电网经过研究与实践总结提炼出来的。 数字电网是应用云计算、 大数据、 物联网、 移动互联网、 人工智能、 区块链等新—代数字技术对传统电网进行数字化改造， 发挥数据的生产要素作用， 以数据流引领和优化能量流、业务流， 增强灵活性、 开放性、 交互性、 经济性、 共享性等， 使电网更加智能、 安全、 可靠、 绿色、 高效。 相比智能电网其概念翟重于技术范畴，数字电网则赋予电网更多的新特征和新应用场景， 其影响也将起出技术范畴。

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本白皮书重点阐述数字电网建设背景、 定义、 特征及发展方向， 介绍数字电网技术平台、 业务平台及其安全体系， 分析数字电网对企业、 社会、 生态、 国家的价值， 旨在 把握千载难逢的历史机遇， 携手社会各界共建数字电网， 以数字电网融通整个能源行 业， 融入数字经济发展， 打造数字电网生态体系， 切实推动能预行业转型升级和经济社会高质量发展。

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> Tackle Your Grid’s Challenges

> Discover EcoStruxure Grid

> Connected Products

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> Edge Control

> Apps, Analytics and Services

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In many parts of the world, the electric transmission and distribution (T&D) systems are over a century old. There

are a host of conventional power system tools and technologies that have evolved throughout time that are used to manage the daily operation, and continued growth, of electricity grids around the world. These tools include a portfolio of digital tools

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that are distributed throughout the system. These tools range from protection relays and substation controllers in the periphery, to power plant controls, and all the way up to utility energy management platforms in the operating centers. For industry stakeholders, there is no question that an impressive level of intelligence is already deployed in modern grids, enabling the coordinated operation of interconnections that represent the most complex machine ever built by humankind.

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 Objective of National Power Grid Modernization

 Architecture of Smart Grid

 What is Smart Grid and What is not

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 Examples of Deployment

 Benefits of Smart Grids

 Example Scenarios

 Two Active Research Fields

 Micro-grid

 Electricity Market

 Conclusion

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Smart Grid: Definition

• Smart Grid: Applications / Benefits

• Smart Grid in the United States

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• Government and Industries

• Current Projects

• Priority Areas

• Smart Grid Standards

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3 Leader’s Corner

A Message from the President of PES, Noel Schulz

4 Charge It

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Powering a More Electrified Planet

Ali Babak Fahimi, Alexis Kawasinski, Ali Davoudi, Robert S.

Balog, and Morgan Kiani

15 I Sing the Mapboard Electric

New Technology Lets Virtual Control Centers Expand

and Contract to Meet Operational Needs

Larry Clark and Ethan Boardman

24 If These Walls Could Think

Using Smart Buildings to Unlock Value in Downtown

Chicago

Mike Munson, Grant Jaskulski, and Chris Thomas

30 Power to the People

New Distribution Technologies on the Horizon

Clark Gellings

42 Sim City

Model-Based Distribution Management

Roger C. Dugan and Mark McGranaghan

50 Tools for Success

Distribution System Planning in the Smart Grid Era

Julio Romero Agüero

62 In My View

Benefits of the smart grid.Part of a Long-Term Economic

Strategy

Bruce Hamilton

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Single digital grid model used for planning, operating and maintaining

The Finnish transmission system operator Fingrid runs a project, the aim of which was to build a new information system that supported asset and operation management and was based on product-based solutions. Eight software products were integrated into each other so that the master data of the grid assets are only located in one application. Today this data system supports asset and operation management goes by the name of ELVIS (Electrical Verkko Information System).

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One leading part belonging to the system, which basically consists of an asset management system, a geographic information system and a network planning solution, is a Siemens model management and network analysis solution. IBM awarded the main contract of this project. As the system integrator IBM worked with several vendors to deliver an overall solution to Fingrid. Siemens was one of these vendors and delivered its grid data management system PSS ODMS for model management and PSS E for network analysis and simulation. In addition, the Siemens scope consists of software customization and engineering services.

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Climate action in cities is essential for achieving ambitious net-zero emissions goals. Cities account for more than 50% of the global population, 80% of global GDP, two-thirds of global energy consumption and more than 70% of annual global carbon emissions. These factors are expected to grow significantly in the coming decades: it is anticipated that by 2050 more than 70% of the world’s population will live in cities, resulting in massive growth in demand for urban energy infrastructure.

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Smart cities represent an important opportunity to reduce energy consumption while meeting service demand, improving grid stability and improving the quality of life for all. Next-generation energy systems leverage big data and digital technologies to collect and analyse data in real time and manage city services more efficiently. These solutions are transforming the energy landscape by creating new synergies to reduce emissions, improve energy efficiency and enhance resilience.

Local governments are in a unique position to deliver on the net-zero emissions agenda. In this report we illustrate the wide range of opportunities, challenges and policy solutions that can help city-level governments capture the significant value in efficient and smart digital energy systems, no matter their unique context. Our focus is on ways national governments can help cities overcome barriers to progress and accelerate clean energy transitions using digitalisation.

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