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2021年8月16日

Prioritizing Investments in Critical 传输 and Distribution Infrastructure

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传输 and distribution (T&D) infrastructure serves a critical role transporting electricity from power plants to residential and commercial customers. 没有T&D线, power cannot be delivered, including from wind and solar plants often located hundreds or thousands of miles from urban centers with high electricity demand.

As the owner of one of the largest energy networks in North America, Sempra’s critical investments, primarily focused on T&D infrastructure, are helping to accelerate the energy transition. 今天, more than 36 million consumers rely on Sempra and its family of companies to deliver resilient, 可靠的, and affordable energy every day.

传输 & Distribution in Top-Tier North American Markets

Sempra T&D infrastructure is strategically located in attractive markets which are backed by regulated rates of return or long-term contracted cash flows and help to promote energy access and sustainability. Sempra’s California utilities, San Diego Gas & 电气有限公司. (西班牙&E) and Southern California Gas Co. (SoCalGas), work to provide safe, 可靠的, and low-carbon energy to 26 million consumers and operate approximately 145,000英里T&D线.

传输 and Distribution in California and 德州

传输 and Distribution in California and 德州

Southern California

SoCalGas is utilizing existing infrastructure to support the transmission and distribution of renewable 天然气 and to study the application of 氢 energy. 最近, SoCalGas announced that it will be testing a new technology that can simultaneously separate and compress from a blend of 氢 and 天然气. SoCalGas also recently announced a program to study 混合氢 into its 天然气 pipelines. If approved by regulators, the program would be the first step toward establishing a statewide standard for injecting 氢 into the 天然气 grid.

Our Energy Behind 德州

在德克萨斯州, Oncor Electric Delivery Company LLC (Oncor), another Sempra utility, is the largest transmission and distribution 电力公司 在这个州. Oncor owns and operates 139,000英里T&D线,帮助 连接德州人 to the growing supply of renewable energy and helping to make the Lone Star State a leader in solar and wind production. 今天, Oncor connects more than 60 renewable generators to the Electric Reliability Council of 德州 (ERCOT) grid, capable of generating more than 11,000 MW of electricity. 这, 大约10,000 MW is from wind interconnections, representing more than 42% of all ERCOT wind generation.

Investing in the Future

Building a 21st century energy system through critical T&D investments that support 氢, renewable 天然气, fuel cells, electric vehicle infrastructure, and 碳捕获 and storage is key to Sempra’s mission of being North America’s premier energy infrastructure company. We believe these investments in T&D infrastructure will help improve efficiencies and further modernize energy systems by advancing the energy transition and promoting energy diversification, 可购性, 和访问.


1. Amounts are approximate and includes 西班牙&E and SoCalGas as of 12/31/2020. Distribution lines included in the T+D miles total include distribution and service pipelines.
2. 2019年的数据. EIA Net Generation for All Sectors within the United States and for Mexico, BP’s 2020 Statistical Review of World Energy. 包括你.S. 只在墨西哥.
3. Amounts are approximate and includes 100% of Oncor and Sharyland as of 12/31/2020.