Copper’s New Gold Rush: The Fight Over Bougainville’s Panguna Mine

Beneath the dense jungle canopy of Bougainville, an island that has known more than its share of sorrow, lies one of the world’s most tantalizing geological prizes. The Panguna copper mine, silent for more than four decades, sits at the center of a global resource race unlike anything seen before. Copper demand is climbing at a historic pace, driven by the clean energy transition, the expansion of electric vehicle production, and the construction of vast new power grids. Governments and mining giants are scouring the planet for the metals needed to power a low-carbon future, and Panguna’s enormous copper and gold deposits have suddenly become a strategic target. To many outside investors, the mine represents an opportunity to tap into a resource bonanza at a moment when copper prices are surging. But to the people of Bougainville, Panguna is not simply a commercial prospect. It is a deeply scarred landscape, a symbol of past injustice, and a flashpoint that could threaten the fragile peace the island has struggled to build. The growing international interest in reopening the mine has ignited a fierce debate: can the world’s appetite for copper be satisfied without dragging Bougainville back into violence?

The story of Panguna is inseparable from the story of the island’s devastating conflict. The mine first opened in 1972, operated by Bougainville Copper Limited, then majority-owned by the multinational mining giant Rio Tinto. For nearly two decades, it was one of the largest copper mines in the Asia-Pacific region, at its peak accounting for a substantial share of Papua New Guinea’s export earnings. But the wealth generated from the mine did not reach the communities who lived on and around the land. Tailings from the operation contaminated local rivers, destroyed ecosystems, and displaced villages, while many Bougainvilleans felt they were receiving little in return for bearing the environmental and social costs. Disputes over royalties, compensation, land rights, and the unequal distribution of benefits simmered for years before boiling over. In the late 1980s, local landowners and activists, led by figures such as Francis Ona, formed the Bougainville Revolutionary Army and launched a campaign against the mine and the PNG government. What began as a localized protest spiraled into a brutal civil war that lasted roughly a decade and claimed the lives of an estimated 10,000 to 20,000 people, many of them civilians. The Panguna mine was forced to close in 1989 and has never reopened. The war ended with the Bougainville Peace Agreement in 2001, which granted the island considerable autonomy and promised a referendum on independence. But the underlying grievances that fueled the conflict were never fully resolved, and the mine has remained a painful and contested symbol ever since.

Now, more than a generation later, Bougainville finds itself at a crossroads. In 2019, the island voted overwhelmingly in favor of independence in a non-binding referendum, with nearly 98 percent of voters choosing to break away from Papua New Guinea. The national government in Port Moresby has yet to finalize the terms of that process, but the political momentum is clear. As Bougainville’s leaders contemplate a future as an independent nation, they face a daunting challenge: how to finance a functioning state without a robust tax base or established economy. For many in the political establishment, the answer lies beneath the ground. President Ishmael Toroama has repeatedly described Panguna as the potential engine of Bougainville’s economic development, arguing that the mine could provide the revenue needed to build roads, hospitals, schools, and government institutions. The timing appears propitious. Global copper prices have risen sharply in recent years, driven by supply chain disruptions, growing demand for renewable energy infrastructure, and the accelerating shift away from fossil fuels. Analysts warn of looming copper deficits as the world builds millions of electric vehicles, wind turbines, solar panels, and battery storage systems, all of which require vast quantities of copper. For a territory with limited economic options, the prospect of reactivating one of the largest copper deposits ever discovered is a seductive one. Yet the rush to secure supply is colliding with the realities of a post-conflict society where trust is scarce, grievances are deep, and the memory of violence remains vivid.

The ownership and operational picture has also changed, adding further complexity to the Panguna question. Rio Tinto eventually exited the project in 2016, transferring its majority stake in Bougainville Copper Limited to the Papua New Guinea government and the Autonomous Bougainville Government. Today, BCL remains a key player in discussions about the mine’s future, but its authority is contested by landowners and community groups who argue that they have never been properly consulted or compensated. International companies have quietly signaled interest in the deposit, and a number of junior miners and investment firms have sought to position themselves as potential partners. But every attempt to conduct formal exploration, assessment, or consultation has been shadowed by suspicion. Several site visits by company representatives and government officials have been met with protests from community members who insist that no work should take place until legal and compensation issues are resolved. The landscape of local opinion is deeply fragmented. Some landowners, particularly those who have grown frustrated with decades of poverty, are open to reopening the mine if it brings jobs, infrastructure, and a fair share of revenue. Others, including many former combatants and their families, view any return to mining as an unacceptable betrayal of the sacrifice made during the civil war. Women’s organizations, which played a vital role in brokering peace and rebuilding communities, have voiced particular concern about the potential social and environmental consequences of a new mining operation, warning that history could repeat itself if safeguards are not put in place. The Panguna Landowners Association has attempted to present a unified voice, but it has been fractured by internal rivalries and competing claims, making meaningful dialogue extremely difficult.

The risks are not only social and political; they are environmental and logistical as well. The legacy of the old Panguna mine is a massive open pit, mountains of waste rock, and thousands of hectares of contaminated land and river systems. For years, mining tailings were discharged directly into the Kawerong and Jaba rivers, causing widespread environmental degradation that continues to affect the region. Any future mining project would need to confront this toxic inheritance, not only to secure a social license to operate but also to meet modern environmental standards. The cost of remediation, rehabilitation, and water management would be substantial, and it is far from clear who would bear that burden. Moreover, the infrastructure needed to support a modern mining operation—reliable power, roads, port facilities, and a trained workforce—is still largely absent in Bougainville. Decades of neglect and underinvestment have left the island with limited connectivity and public services, and the capacity to regulate and monitor a project as complex as Panguna is questionable. Experts in conflict resolution and development have repeatedly emphasized that the question of reopening the mine is not merely technical or financial. It is fundamentally a question of legitimacy and consent. Without a genuine, inclusive, and transparent process of community engagement, any attempt to restart mining would risk reigniting the very tensions that tore the island apart. The fragile peace that has held for over two decades depends on a delicate balance of interests, and many fear that a rush to reopen Panguna could shatter that balance in the name of profit.

If there is a path forward, it will require an approach that places peace above profit and consensus above expediency. Mining can potentially play a role in Bougainville’s development, but only if the conditions are right. That means establishing a clear and binding legal framework for revenue-sharing, compensation, environmental protection, and community development. It means recognizing the customary land ownership systems that are central to Bougainvillean identity and ensuring that landowners are genuine partners rather than passive bystanders. It means investing in independent environmental assessments, transparent governance mechanisms, and robust monitoring systems that can prevent the abuses of the past. And it means addressing the unresolved trauma of the civil war through continued reconciliation and a comprehensive plan for weapons disposal, victim support, and justice. Many of these measures have been discussed for years, but progress has been slow, and confidence in the process remains fragile. Some observers believe that Bougainville could become a model for responsible resource development in post-conflict settings—a place where the lessons of history are applied and the benefits of extraction are shared equitably. Others are more skeptical, noting that the pressures of time and money are enormous. The world wants copper, and it wants it quickly. Bougainville’s leaders face intense pressure to deliver economic growth and to demonstrate the viability of independence. Yet the islanders themselves are the ones who will live with the consequences of any decision, and they are deeply divided over what should be done. The Panguna mine is more than a dormant asset; it is a test case for whether resource wealth can be managed without repeating the tragedies of the past. Bougainville’s future may well depend on whether the world’s hunger for copper can be tempered by patience, respect, and a genuine commitment to peace.