Puerto Rico Gov. Pedro Pierluisi conceded defeat Sunday night after losing a primary election against Rep. Jenniffer González, the island's resident commissioner and nonvoting member of Congress, effectively ending his re-election bid.

In a speech, Pierluisi labeled the defeat as “very painful” and unexpected while also congratulating González on her win and wishing her success as the gubernatorial candidate for Puerto Rico's ruling party, the New Progressive Party (PNP), which favors statehood.

With 76% of the votes counted early Monday, González obtained 136,281 votes (56%), while Pierluisi got 105,548 (44%), according to Puerto Rico's electoral commission.

The surprise upset came four years after González and Pierluisi ran on a joint ticket to win their current seats. At the time, they presented a united front as they attempted to clean up the party's image following the resignation of disgraced pro-statehood governor Ricardo Rosselló, who was marred by scandal over leaked private chats.

Unlike the U.S. mainland, political parties on the island are based on ideals about Puerto Rico's territorial status. But as a U.S. territory, its public officials often need to align with a mainland party. While Pierluisi and González both belong to the pro-statehood party, Pierluisi is a Democrat and González is a Republican.

González celebrated her win alongside crowds of cheerful supporters. "Today is a special day for me, for my family, for my team, and for all Puerto Ricans who opted for change," she said. "I am going to be a governor who is going to be on the streets all the time."

González is the first female gubernatorial candidate to secure a primary win for the New Progressive Party. Puerto Rico elected Sila María Calderón of the Popular Democratic Party (PPD) as its first female governor in 2000.

The PPD, which supports the island’s current territorial status, also had its primary Sunday. Puerto Rico Rep. Jesús Manuel Ortiz defeated Sen. Juan Zaragoza by a wide margin. Ortiz and González will face each other and third candidate Juan Dalmau of the Puerto Rican Independence Party (PIP) in the general election on Nov. 5.

As results trickled in late Sunday, the electoral commission's website crashed, frustrating many who were closely following the primaries. Officials said they rushed to fix the problem, saying they did not know what caused the site to crash but that the U.S. Department of Homeland Security and other agencies were helping. “If it were necessary to activate the FBI given the situation, we will do it,” said Jessika Padilla, the commission’s interim president.

Power outages were also reported at more than a dozen voting centers, including one where Ortiz arrived to cast his vote. The outages forced officials to revert to a manual process. Power outages have become increasingly more common in Puerto Rico as the U.S. territory awaits the reconstruction of its power grid since Hurricane Maria hit the island in 2017. Aware of this, officials of Puerto Rico’s electoral commission rented more than a dozen generators and a private power company identified 81 alternate voting sites with guaranteed electricity.

The outcome of the primaries signals a significant shift in Puerto Rico’s political landscape as the island grapples with economic challenges, power grid instability, and debates over its territorial status. González’s victory as the first female gubernatorial candidate for the PNP marks a historic moment, and her campaign promises of change and street-level governance will be closely watched as the general election approaches. The results of this election will be pivotal in shaping the future direction of Puerto Rico, including its push for statehood and its relationship with the mainland United States.

González's win underscores a growing desire for change among Puerto Ricans, who have faced numerous challenges, including economic austerity measures, high unemployment rates, and a slow recovery from natural disasters. Her platform focuses on economic revitalization, healthcare improvements, and education reform, aiming to address the systemic issues that have plagued the island for years.

Pierluisi’s defeat reflects the broader discontent with the current administration's handling of these crises. Despite efforts to present a unified front, the divisions within the pro-statehood party became apparent as voters opted for a new direction under González's leadership. Her ability to garner significant support across diverse demographics highlights her appeal and the hope she represents for many Puerto Ricans seeking a better future.

As the election season progresses, the dynamics between the candidates will be crucial. Ortiz, representing the PPD, will likely emphasize maintaining the island's current territorial status and addressing local governance issues, while Dalmau from the PIP will push for complete independence from the United States. These differing visions for Puerto Rico’s future will provide voters with distinct choices, shaping the island's political and social trajectory for years to come.

The international community will also be closely monitoring the election, as Puerto Rico's political status and economic stability have significant implications for regional geopolitics and U.S.-Caribbean relations. The outcome will influence not only local policies but also the broader discourse on decolonization, self-determination, and the role of external powers in the governance of territories.

In summary, the primary election results mark a pivotal moment for Puerto Rico, with González’s historic win setting the stage for a transformative election. Her campaign’s focus on change and proactive governance will be critical as she seeks to lead Puerto Rico into a new era of progress and stability. The general election in November will be a decisive event, determining the island's future direction and its relationship with the United States.