Pg&E Electricity: Sources And Insights

where does pge

The Pacific Gas and Electric Company (PG&E) is an American investor-owned utility company that provides natural gas and electricity to 5.2 million households in the northern two-thirds of California. In 2022, nearly 40% of its electricity came from renewable resources, including biopower, geothermal, small hydroelectric, solar, and wind power. In addition, battery storage systems allow PG&E to store renewable energy for later use, reducing the need to purchase power from the open energy market. Portland General Electric (PGE), on the other hand, generates electricity using power plants in diverse locations, harnessing energy from various natural resources. As of 2025, 45% of PGE's electricity comes from non-carbon emitting sources, with natural gas being the largest source of generation.

Characteristics Values
Headquarters Kaiser Center, Oakland, California
Service Area Northern and Central California
Number of Households 5.2 million
Energy Sources Natural gas, conventional sources, renewable sources (biopower, geothermal, small hydroelectric, solar, wind power, nuclear, large hydroelectric power)
Energy Production in 2022 40% from renewable resources, 95% from GHG-free resources
Energy Storage Large-scale battery centers, small storage projects (5 MW or less)
Power Plants Pelton Round Butte, Sullivan plants

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Renewable sources

The Pacific Gas and Electric Company (PG&E) provides natural gas and electricity to 5.2 million households in the northern two-thirds of California. The company is headquartered in Oakland, California. In 2022, nearly 40% of its customers' electricity came from renewable resources, including biopower, geothermal energy, small hydroelectric power, solar power, and wind power.

PG&E owns or jointly owns several power plants that generate emissions-free, low-impact hydropower. Their solar power comes from large-scale solar projects, third-party suppliers, and even business and residential customers with their own solar installations that feed the grid. Grid operators can also manage power sources with variable electricity generation, such as wind or solar energy.

Battery storage systems allow PG&E to gather renewable energy when it is available and save it until it is needed, reducing the need to purchase power from the open energy market when it is most expensive. PG&E's battery storage projects range from large-scale battery centers to small (5 MW or less) storage projects throughout their service area.

In addition to its renewable energy sources, PG&E also produces or buys energy from conventional sources. The company has committed to reducing emissions from its retail power supply, with a goal of an 80% reduction by 2030 and 100% by 2040.

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Natural gas

PG&E owns and maintains more than 6,000 miles of transmission pipelines and 42,000 miles of distribution pipelines to deliver natural gas to its customers. It also owns and operates 116 wells at 3 natural gas storage fields in California and is a partner in a fourth storage field. During the winter, when demand is highest, gas is withdrawn from these underground storage facilities to meet customer needs.

PGE's natural gas-fired power plants provide a steady, efficient, and reliable source of energy, particularly during periods of high demand or when solar and wind energy are not available.

PG&E uses less natural gas than its competitors, and its electricity rates are 80% above the national average due to high fixed costs. The company has also made efforts to bring natural gas supplies from the North to its service area in California.

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Solar power

The Pacific Gas and Electric Company (PG&E) provides natural gas and electricity to 5.2 million households in the northern two-thirds of California. About 33% of this electricity comes from renewable sources, including solar power.

PG&E solar is a clean energy source for homes and businesses. The company offers a Solar Billing Plan (also known as the Net Billing Tariff) for customers with rooftop solar panels. Under this plan, the amount of solar energy generated by the customer determines the number of solar energy credits received. These credits are valued based on the season, month, day, and time. As a result, customers may receive billing statements that reflect their energy usage from the grid during periods of reduced solar generation, such as at night or on cloudy days.

PG&E's Smart Grid upgrades have enabled the company to increase its renewable energy sources, including solar power. These upgrades have also improved energy reliability for Californians. Overall, PG&E's solar initiatives provide customers with clean energy options and the ability to manage their electricity costs through the utilization of solar energy credits.

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Hydro power

The Pacific Gas and Electric Company (PG&E) provides natural gas and electricity to 5.2 million households across the northern two-thirds of California, from Bakersfield to the state's border with Oregon and Nevada.

PG&E produces or buys energy from various sources, including renewable sources such as hydropower. Hydropower is generated by the movement of water rushing from a higher elevation to a lower one, turning a turbine and creating electricity. This movement is made possible by dams, which hold the water and create reservoirs. Water moves from these reservoirs to powerhouses through waterways such as rivers and streams. Once it reaches a powerhouse, the water generates electricity that is transported to the power grid.

PG&E's hydropower system is built along 16 river basins, stretching nearly 500 miles and using water from over 98 reservoirs. Most of these reservoirs are located in California's Sierra Nevada mountain range, where the higher elevation provides an advantage for hydropower generation. The system includes 67 powerhouses and produces approximately 3,900 megawatts (MW) of power, enough to supply nearly four million homes.

While these hydropower facilities provide a significant source of renewable energy, they also present potential safety hazards. The large amounts of rushing water and powerful currents can be extremely dangerous, and warning signs and safety guidelines must be followed. Recreational activities such as camping, picnicking, boating, fishing, and hiking are offered by reservoirs, but it is crucial to stay cautious and aware of potential risks, especially near dams and powerhouses.

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Nuclear power

Diablo Canyon Power Plant (DCPP) is the only operating nuclear asset owned by PG&E. It is located in Avila Beach, California. Construction of the plant began in 1968, but the opening was delayed for several years due to environmental protests and safety concerns.

DCPP is a safe, clean, reliable, and vital energy resource for California. It provides low-cost, carbon-free electricity and is the state's largest source of clean energy. The plant's two units produce a total of 18,000 gigawatt-hours of clean and reliable electricity annually, meeting the needs of more than 3 million Californians. This accounts for nearly 10% of California's energy portfolio and 20% of the power that PG&E provides throughout its service area.

DCPP plays a crucial role in allowing PG&E to deliver some of the cleanest energy in the nation to its customers. The plant saves 6-7 million tons of greenhouse gases (GHG) from entering the atmosphere each year by avoiding conventional generation resources. All plant operations are overseen and monitored by the Nuclear Regulatory Commission (NRC).

PG&E has implemented unique programs to ensure the safety of its nuclear facilities. The Long-Term Seismic Program (LTSP) involves a geosciences team partnering with independent seismic experts to evaluate regional geology and global seismic and tsunami events. This ongoing evaluation helps ensure that the facility remains safe.

In June 2016, PG&E announced plans to close Diablo Canyon in 2025, which would result in the loss of 2256 MW of generation and over 18,000 GWh of electricity produced annually. However, in September 2022, California Governor Gavin Newsom signed legislation seeking to extend operations beyond the current license period to maintain electricity reliability for all Californians.

Frequently asked questions

PGE (Pacific Gas and Electric Company) produces or buys energy from various sources, including conventional and renewable sources.

PGE generates electricity using power plants in diverse locations, harnessing energy from a variety of natural resources. The largest source of generation is natural gas.

PGE's renewable energy sources include biopower, geothermal, small hydroelectric, solar and wind power.

In 2022, nearly 40% of PGE's electricity came from renewable resources. Overall, 95% came from greenhouse gas (GHG)-free resources, including renewables, nuclear and large hydroelectric power.

PGE uses large-scale battery centers and small (5 MW or less) storage projects to store renewable energy.

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