California’s Last Nuclear Plant Secures Approval to Remain Operational

California’s last nuclear power plant has received a significant regulatory approval to continue operations. The California Coastal Commission voted on Thursday to allow the Diablo Canyon Power Plant to remain operational for at least five more years. This decision comes amidst ongoing debates regarding the role of nuclear energy in the state’s future.
Diablo Canyon’s Approval and Conditions
The Coastal Commission’s decision was not without stipulations. Pacific Gas & Electric (PG&E), the plant’s owner, must commit to conserving approximately 4,000 acres of land surrounding the facility. This conservation effort will safeguard the area from potential commercial or residential development.
Located along the San Luis Obispo coastline, the Diablo Canyon Power Plant is now awaiting federal approval for a 20-year relicensing permit. The facility serves as California’s largest energy source, contributing nearly 10% of the state’s total electricity supply.
Regulatory Voting and Historical Context
- Commission Members: Nine of the twelve voting members supported the plan.
- Commissioner Jaime Lee highlighted rising energy demands due to artificial intelligence, suggesting limited immediate changes for Diablo Canyon.
The plant’s history has been marred by controversy since its establishment in 1985. Environmental groups frequently express concerns regarding the potential harm to marine life. The Coastal Commission estimates that the plant kills around 2 billion larval fish annually.
Legislative Changes and Public Sentiment
A 2022 state law mandated the plant’s extension beyond its planned closure in 2025, a decision fueled by California’s energy needs following various climate crises. Governor Gavin Newsom’s action on this matter reversed a prior agreement aimed at decommissioning the facility.
As public opinion gradually shifts in favor of nuclear energy, many states are reassessing their own legacy plants. The 2022 legislation also authorized a $1.4 billion loan to support Diablo Canyon’s continued operation.
Challenges and Financial Concerns
Despite the commission’s approval, the plant faces scrutiny over its operational funding. Last year’s California Public Utilities Commission approved $723 million from ratepayer funds to support Diablo Canyon. This funding marks a notable change, as it extends beyond typical utility ratepayer scopes.
Opponents, including the Environmental Defense Center and Mothers for Peace, argue that extending Diablo Canyon’s operations is unwarranted. They claim this could hinder the development of renewable energy sources like solar and wind.
Support for Economic Growth
On the other side of the debate, supporters emphasize the plant’s importance for economic stability and job creation. Proponents argue that Diablo Canyon is an essential component of California’s energy landscape, particularly amid growing demands.
This ongoing debate surrounding the Diablo Canyon Power Plant underscores the complexities of balancing energy needs, environmental concerns, and economic interests in California.


