Iceland Closes Last Coal Plant: 100% Renewable Energy

A Triumphant Leap: Iceland Bids Farewell to Coal

The news filtered across Reykjavík before dawn like a quiet, seismic shift. In cafés along Laugavegur, baristas leaned over espresso machines, eyes lifting from steamed milk to the headlines flickering on screens above the counter. Across fishing harbors and aluminum smelters, in villages pressed against fjords and in farmhouses strung along gravel roads, one message rang clear: Iceland had closed its final coal-fired facility at Straumsvík, completing its transformation into a nation powered entirely by renewable energy across all sectors.

Outside, the air carried the unmistakable clarity of late March on this North Atlantic island – cold and salt-flecked, with a faint mineral tang rising from geothermal vents in the distance. To the east, winter’s last snow clung to the shoulders of Esja, the mountain watching over the capital, while low clouds drifted above the steaming plains of the Reykjanes Peninsula. Where belching smokestacks once defined the industrial silhouette, now only the slender lines of transmission towers traced a path from distant hydropower dams and geothermal plants to the city’s warm, lamplit windows.

For decades, the story of Iceland has been one of partial transformation. The country famously drew almost all its electricity and house heating from renewable sources even as imported fossil fuels continued to feed its vehicles, trawler fleets, and pockets of heavy industry. But coal persisted as a stubborn relic at Straumsvík, tied to the energy-hungry processes of metal refining and industrial backup systems, a sooty reminder that even the greenest grids can hide dark corners. Its closure is more than a technical adjustment; it is a symbolic severing of ties with the Industrial Age.

On the windswept coastal road between Reykjavík and Hafnarfjörður, the contrast feels almost cinematic. To one side, jagged black lava fields stretch toward the sea, their craters exhaling curls of steam in the chill air. To the other, modern low-emission buses glide past in near silence, powered by electricity that began its journey as glacial meltwater plunging through the turbines of the Kárahnjúkar Hydropower Plant or as superheated brine rising from the fractured crust beneath the Hellisheiði Power Station. The old image of coal trains and soot-stained depots, so familiar elsewhere in Europe, seems out of place against this stark, luminous landscape.

For the residents of nearby Hafnarfjörður, many of whom have lived with the plant’s distant rumble and occasional haze for generations, the difference is subtle but already palpable. The ever-present faint odor of combustion that once mingled with the scent of seaweed and fish has dissipated. Children running along the harbor edge breathe air filtered by Atlantic winds and purified by the absence of coal smoke. In a nation where the midnight sun bathes volcanic deserts and glaciers in surreal light, the atmosphere itself now feels truer to the land – unmasked, unclouded.

Scientists at the University of Iceland note that the direct improvement in air quality, while less dramatic than in smog-choked metropolises, is still meaningful. Fine particulate matter from coal combustion, a hidden killer in many urban centers, has been effectively erased from Iceland’s energy story. The health benefits may unfold quietly over years – fewer respiratory issues in coastal communities, fewer days when a still weather pattern traps pollution in low-lying towns – but they will be real, another dividend of a decision decades in the making.

Globally, the closing of Straumsvík sends a clear, almost defiant signal. While much of the world wrestles with incremental targets and uneasy compromises, this small nation of roughly 400,000 people has crossed a line others still debate on conference stages. It has moved from an electricity system that was already almost entirely renewable to a holistic, economy-wide reality in which coal no longer has a place. The view from Reykjavík’s waterfront – where fishing boats, electric vehicles, and geothermal district heating now coexist in a single integrated energy ecosystem – hints at a future that feels, for once, within reach rather than endlessly postponed.

The achievement is not just technical but emotional. When workers gathered for a final shift at Straumsvík, stories surfaced of fathers and grandfathers who had helped commission the plant during a very different era, when energy security meant coal stockpiles and oil imports, not hot wells and high-voltage cables. Many expressed a bittersweet pride: sorrow at the closing of a workplace that had anchored their lives, pride that their children would inherit cleaner jobs in geothermal engineering, grid management, and green technology startups scattered through downtown Reykjavík. This mix of nostalgia and hope is the human texture behind the milestone – a reminder that every megawatt is ultimately about people.

Look closer at the landscape and this new chapter in Iceland’s story comes into focus. Meltwater from interior glaciers tumbles through narrow gorges into reservoirs, spinning turbines that send electrons racing toward aluminum smelters and data centers. Deep beneath moss-covered lava fields, water superheated by magma surges toward the surface, transformed into a near-invisible plume that drives generators and, through district heating systems, fills radiators, swimming pools, and even snow-melting pipes beneath city sidewalks. The closure of the coal plant is not an isolated victory but the natural culmination of this elemental choreography – water, heat, and gravity working in concert, replacing the ancient chemistry of burning carbon with the simple physics of a restless earth.

As dusk falls over Reykjavík, streetlights flicker on, drawing power from unseen waterfalls and underground reservoirs instead of blackened chunks of compressed plant matter dug from distant seams. The orange glow of sodium lamps has largely given way to the cooler, crisper light of LEDs. Above, the sky sometimes erupts in bands of pale green and violet as the aurora borealis dances across the Arctic firmament, a reminder that in this part of the world, even the heavens seem electric. Tonight, those lights shine on a country that has finally divorced itself from coal – and, in doing so, offered the world a proof of concept that is impossible to ignore.

Pioneering Policies: The Roadmap to Renewable Supremacy

If the silence of the stacks at Straumsvík is the visible symbol of change, the real engine of Iceland’s transition lies in a dense web of policies, plans, and patient political consensus. Long before the words climate neutrality became fixtures in diplomatic communiqués, Iceland’s lawmakers had begun reimagining the island’s energy future from the ground up, asking what it would take to harness its geological fortune and, crucially, to extend that clean power beyond electricity into transport, industry, and everyday life.

This transformation did not happen overnight. The groundwork was laid in the second half of the twentieth century, when the oil shocks of the 1970s jolted Iceland into accelerating its shift from imported fuel oil to locally sourced geothermal heat and hydropower. Over the following decades, successive governments embraced a simple but radical principle: that the nation’s natural endowments should form the backbone of its energy system, insulating it from volatile fossil fuel markets. The strategy was codified in long-term energy frameworks that prioritized domestic renewables wherever technically and economically possible.

In the twenty-first century, that framework evolved into something more ambitious. As the science of climate change sharpened and global accords tightened expectations, Iceland introduced a steadily rising carbon tax, sending a clear price signal into every corner of the economy. At first the tax nibbled at the margins of coal and oil consumption, nudging utilities and industrial players to experiment with alternatives. Over time, increases in the carbon price turned those nudges into hard economic imperatives, making it progressively irrational to maintain coal-fired capacity when geothermal steam and hydropower were readily available.

Complementing this fiscal pressure were bold regulatory steps. Among the most consequential was the commitment to ban new registrations of fossil-fuelled cars by 2030, a decision that many at the time considered audacious for a sparsely populated island with long driving distances and harsh winter conditions. Yet from the moment it was announced, the ban became a lighthouse for policy, forcing updates in charging infrastructure, building codes, and transport planning. It also signaled to automakers and local importers that the future fleet of Iceland’s roads would be overwhelmingly electric or powered by other zero-emission technologies.

These measures were woven together under the banner of the Sustainable Iceland initiative, a whole-of-society program designed as much for hearts and minds as for kilowatt-hours and emissions charts. Rather than treating climate policy as a technical annex to national planning, Sustainable Iceland framed the energy transition as a story of sovereignty, health, and cultural identity. Public campaigns highlighted how geothermal district heating preserved the pristine winter air in streets where children walked to school, how hydropower revenue funded social services, and how reducing reliance on imported fuels strengthened Iceland’s geopolitical independence.

At the core of the strategy sat the Energy Fund, a government-backed financing vehicle that quietly reshaped the national energy landscape. Its mandate was clear yet broad: accelerate the elimination of fossil fuels in industry and transport. The Fund underwrote research into electric fishing vessels plying the North Atlantic out of harbors such as Akureyri and Ísafjörður, supported pilot projects for hydrogen and e-fuels where batteries were not yet practical, and offered generous grants for industrial sites – including those at Straumsvík – to retrofit equipment for direct electrification or geothermal steam use.

Crucially, the Energy Fund did not act alone. It worked in concert with planning authorities, municipalities, and utilities such as Landsvirkjun and ON Power, aligning grid expansion with emerging pockets of demand. When aluminum producers at Straumsvík and Grundartangi committed to phasing out coal-based backup systems, the Fund helped finance the necessary substation upgrades, while regulators fast-tracked permits for new transmission lines and geothermal wells. Each procedural delay shaved off months from the coal-to-clean timeline, and those months added up.

Behind the headlines, a slow cultural shift was underway. Renewable energy, once framed largely as a technical curiosity – steam rising from boreholes on windswept plateaus – became an everyday reality. Schoolchildren toured the Hellisheiði Power Station, tracing the path of hot water from subterranean reservoirs to their own bathroom taps. Urban planners in Reykjavík designed new neighborhoods with integrated charging hubs and building envelopes optimized for district heating. Even rural farmers installing heat pumps and small-scale geothermal taps felt part of a collective story of transformation.

For other nations eyeing Iceland’s success, the lesson is not that every country must have volcanoes and glacial rivers to decarbonize. Instead, the key lies in the architecture of policy: long-term signals like the 2030 fossil vehicle ban, steadily rising carbon prices that make polluters pay, dedicated funding mechanisms targeted at vulnerable sectors, and a unifying narrative that invites citizens to see themselves as participants rather than subjects of change. It is this lattice of law, finance, and social license that allowed the final coal unit at Straumsvík to be switched off not with panic or protest, but with a sense of inevitability and pride.

In parliamentary debates, the closure was framed less as a radical break and more as the logical endpoint of decades of deliberate choices. Members from across the political spectrum spoke of how children born this year would grow up in a country where coal exists only in museum exhibits and archival photos. That continuity – climate action as a multi-generational project rather than a single administration’s gamble – is perhaps the most radical aspect of Iceland’s roadmap, and the one that will be hardest for more polarized nations to replicate.

Straumsvík's Sunset: Decommissioning a Relic of the Past

On the day the final unit at Straumsvík went offline, the atmosphere inside the control room felt less like an ending than a carefully orchestrated handover. Banks of analog gauges, once watched with the alertness of ship captains navigating a storm, now shared space with sleek digital terminals tracking flows of renewable power from across the island. A senior engineer, nearing retirement, guided a younger colleague through the last shutdown sequence – valves closing, feedwater pumps winding down, coal conveyors coming to rest for the final time.

The decommissioning process had been set in motion years earlier, long before this ceremonial moment. It began with an announcement that was both technical and symbolic: the coal-fired units at Straumsvík would be retired and replaced with a combination of enhanced grid connections, on-site electrification, and geothermal heat integration. What followed was a painstaking feasibility study, not only of engineering options but of social and environmental impacts. Consultants mapped out how dismantling towering boilers and desulfurization equipment would affect local jobs, how the site could be cleaned and repurposed, and where displaced workers might find opportunities in the growing renewables sector.

Once the plan was finalized, the physical choreography began. Coal imports were gradually wound down, with long-term contracts renegotiated to avoid stranded shipments. As the fuel stockpiles diminished, operating hours of the coal units were reduced, their role shifting from baseload workhorse to infrequent backup. Simultaneously, new transmission lines linking Straumsvík to major hydropower stations and geothermal plants were reinforced, creating redundancies that would allow the region’s power needs to be met without the safety net of coal.

Inside the plant, dismantling started at the periphery. Ash handling systems, once integral to the plant’s daily rhythm, were among the first to go. Contractors in hard hats and high-visibility jackets moved through a maze of stairwells and catwalks, labeling each component – conveyor motors, hoppers, precipitator plates – for reuse, recycling, or safe disposal. The metallic clang of wrenches echoed through spaces that had for decades been defined by the low roar of combustion. As equipment came down, air and light penetrated deeper into the building’s core, revealing the sheer volume once occupied by boilers and ductwork.

Environmental remediation ran in parallel. Soil and groundwater beneath and around the plant were sampled with meticulous care, testing for traces of heavy metals, hydrocarbons, and other contaminants associated with coal combustion. Where necessary, excavation crews removed affected soil, replacing it with clean fill and installing monitoring wells to ensure long-term safety. Stormwater systems were redesigned so that, instead of carrying runoff from coal yards, they would handle the more benign flows from future light-industrial or research uses. The hulking coal yards themselves – once a black expanse of crushed fuel overlooking the sea – began to fade as remaining material was shipped out or stabilized.

Challenges were inevitable. Some piping, insulated decades ago with now-banned materials, required special handling and disposal. Sections of the plant that had been hastily modified over the years – add-on scrubbers, emergency bypasses – turned out to be more complex to unwind than to construct. At each step, regulators insisted on transparency: public meetings in Hafnarfjörður explained the decommissioning timeline, local residents were invited to tour portions of the site once considered off-limits, and environmental data were shared in accessible formats. Rather than a closed industrial ritual, the dismantling became a civic event, an opportunity for the community to witness, and sometimes to mourn, the end of an era.

Parallel to physical removal, an equally important transformation unfolded in the workforce. Plant operators, technicians, and maintenance crews – many with decades of experience – were offered retraining programs funded jointly by the government and the Energy Fund. Some shifted to roles at nearby geothermal plants, their deep understanding of thermal systems proving invaluable in a new setting. Others found positions in grid operations centers in Reykjavík, where their intuition for balancing loads and responding to disturbances was readily transferable. A smaller number chose to retire, their final years of service marked by the knowledge that they had helped steer Iceland away from coal rather than cling to it.

As the decommissioning advanced, attention turned to the future of the site itself. Rather than flattening everything and turning it into a generic industrial park, planners explored a more imaginative reuse. One proposal, now moving forward, envisions Straumsvík as a clean energy innovation hub, combining a research campus focused on geothermal technology and energy storage with a public visitor center. Sections of the old turbine hall will be left intact, repurposed as exhibition spaces where visitors can walk beneath dormant gantry cranes and peer into the cavities where boilers once stood, learning how the machinery worked and why it was ultimately retired.

Outside, native vegetation is being reintroduced along the shoreline, softening the industrial edges and creating new habitats for seabirds that wheel above the bay. Walking paths will eventually thread through the former coal yards, offering views back toward Reykjavík and out to the open Atlantic. Panels along these paths will tell the story of the plant’s life cycle – from construction in the fossil age to its reinvention as a laboratory for the post-carbon world. In this way, Straumsvík will continue to generate energy of a different sort: ideas, inspiration, and perhaps a sense of accountability for visitors from countries still girdled with active coal plants.

Throughout, the guiding principle has been openness. Stakeholders ranging from local fishers concerned about marine impacts to climate activists demanding swift action have been given seats at the table. Their demands were not always aligned; some pushed for immediate demolition, others for cautious remediation; some feared job losses, others feared delay. The final result – a carefully staged shutdown, thorough cleanup, and creative redevelopment – reflects a compromise that acknowledges those competing imperatives. It also shows that retiring coal infrastructure need not mean leaving behind scars on the landscape. With attention and investment, a former source of pollution can be reborn as a monument to resilience and reinvention.

Geothermal & Hydro: Iceland's Natural Powerhouses

To understand how Iceland reached the point where a coal plant could be switched off without jeopardizing energy security, one must look beneath the crust and into the river valleys. This is a country where geology is destiny: straddling the Mid-Atlantic Ridge, laced with glaciers, and riven by faults where magma presses close to the surface. The same forces that drive eruptions and sculpt fjords also power kettles, heat homes, light streets, and now, increasingly, propel vehicles and industries once tethered to fossil fuels.

On the high plateau east of Reykjavík, the Hellisheiði Power Station rises from the lava like a futuristic citadel. Steam plumes billow from ranks of cooling towers, dissipating quickly into the frigid air, while silver pipelines snake across moss-covered ground. Deep below, water seeps into fractures in hot rock, reaching temperatures high enough to flash into steam when tapped by boreholes that plunge two kilometers down. This steam spins turbines in the powerhouse, generating electricity that feeds the southwest’s homes and industries. After yielding its energy, the cooled water is often reinjected into the reservoir, closing a loop that can last for decades.

Geothermal energy in Iceland is as much about heat as about electricity. In Reykjavík, and in towns as far afield as Akureyri and Húsavík, hot water from geothermal fields is piped directly into homes, schools, greenhouses, and pools like the oceanside Sundhöll Reykjavíkur. Open a tap in a city apartment and the water that gushes forth, faintly smelling of minerals, may have travelled dozens of kilometers from a steam field, its temperature tamed by a network of heat exchangers and insulated mains. District heating of this kind has allowed Iceland to all but eliminate oil-fired boilers, turning the constant churn of the earth’s mantle into a blanket against Arctic winds.

Complementing this subterranean bounty is an abundance of hydropower, harnessed in deep valleys where glacial rivers plunge toward the sea. The Kárahnjúkar Hydropower Plant, the country’s largest, captures the energy of meltwater rushing off the Vatnajökull ice cap. Its dams create vast reservoirs whose surfaces mirror snow-streaked peaks, while tunnels bored through mountains carry water to turbines buried underground. Smaller plants like Sigalda Power Station dot the interior, their reservoirs appearing as turquoise jewels on satellite images, their spillways carving new geometry into ancient basalt.

For decades, hydropower and geothermal together have provided nearly all of Iceland’s electricity, with hydropower long holding the larger share. Today, the mix is finely tuned: hydropower provides the flexible backbone of generation, ramping up and down with seasonal inflows, while geothermal offers steady baseload output, immune to the whims of wind and weather. In total, almost every electron crossing an Icelandic socket originates from a waterfall or a steam field, a statistic that has underpinned the country’s lure as a destination for energy-intensive industries seeking low-carbon operations.

Technology has pushed the envelope of what these resources can do. At Hellisheiði, and at plants operated by companies such as ON Power and HS Orka, engineers are experimenting with advanced geothermal techniques that tap hotter, deeper reservoirs, inching closer to the theoretical limits of what can be extracted from volcanic systems. Carbon capture projects are injecting mineralized CO2 into porous basalt formations, turning gas into stone in a matter of years and further shrinking the already small emissions footprint associated with geothermal wells and drilling operations.

Hydropower, too, has evolved. Modernization programs at plants like Sigalda and Búrfell have added more efficient turbines and sophisticated control systems that allow operators to predict inflows, manage reservoir levels, and even support grid stability services as more electric vehicles plug in and new loads appear. Rather than building huge new dams in pristine wilderness, the focus has shifted to optimizing existing infrastructure, reducing environmental disturbance while squeezing more flexibility out of every drop of water.

What makes Iceland’s system unusual is not simply the dominance of renewables, but the way electricity and heat are integrated. A winter evening in Reykjavík offers a glimpse of this choreography. As temperatures fall, thermostats nudge district heating flows upward, increasing demand on geothermal wells. At the same time, families turn on ovens, lights, and induction cooktops, and buses along Hringbraut draw power from charging depots. Behind the scenes, control centers manage a ballet of valves and turbines, ensuring that hydropower reservoirs and geothermal generators together meet this surge without burning a single gram of fossil fuel.

For visitors, the most visceral expression of this system might be found in places like the Blue Lagoon, where milky turquoise waters fill a lava basin adjacent to the Svartsengi Power Station. Here, mineral-rich effluent from a geothermal plant becomes a spa experience, its warmth wrapping bathers even as cold rain falls and steam blurs the edges of the volcanic horizon. It is a curated, almost theatrical version of what happens everywhere on the island: raw geothermal energy is captured, tamed, and repurposed into comfort, industry, and now, transportation.

For countries pondering a transition of their own, Iceland’s example is both inspirational and instructive. Not every nation can drill into hot rocks or dam glacial torrents, but many possess underused renewable endowments – solar in desert states, wind along jagged coasts, biomass in agricultural heartlands. What Iceland demonstrates is the power of aligning infrastructure, regulation, and cultural acceptance around those resources, turning them from marginal additions to the grid into the unquestioned default. The final closure of Straumsvík is possible precisely because hydropower and geothermal are not exotic supplements but deeply entrenched pillars of daily life.

In the broader arc of energy history, Iceland’s journey suggests that a post-fossil system need not feel like austerity. Here, hot tubs on windswept decks, brightly lit sports halls in dark winters, and reliable power for precision industries coexist with vanishingly low emissions and an almost complete absence of smoke stacks. There is abundance without combustion, comfort without coal – a combination that once seemed utopian, now rendered ordinary by the hiss of steam and the rush of water.

Challenges & Triumphs: Navigating the Renewable Transition

None of this was inevitable. Beneath the polished narrative of Iceland as a renewable poster child lies a harder story of trade-offs, missteps, and contested landscapes. Moving to 100 percent renewable coverage across all sectors demanded not only technological prowess and farsighted policy, but also the willingness to confront uncomfortable questions: How much of the highlands should be dammed or drilled? Who pays for new grids and charging networks? What happens to workers whose skills are anchored in industries being left behind?

The first barrier was financial. Geothermal drilling is notoriously capital-intensive, with no guarantee that a well will yield the hoped-for temperatures or flow rates. Hydropower, too, requires enormous upfront investment, from tunneling and dam construction to transmission lines that must traverse rugged terrain and, often, opposition. In a small economy, each project carries outsized weight, and early overruns or failures could easily have turned public opinion against the very idea of large-scale renewables. Instead, the government chose to shoulder much of the exploratory risk, allowing public utilities to experiment and learn without the constant threat of investor flight.

Then there was the grid itself. Building a system centered on distant dams and geothermal fields meant upgrading and sometimes rerouting power lines through landscapes treasured for their wild, unspoiled character. Environmental groups pushed back hard against projects they believed would scar the highlands, arguing that a rush to renewables should not come at the expense of biodiversity and cultural heritage. Some proposals were shelved or scaled down, and the planning process became more participatory and scientific, incorporating comprehensive impact assessments and, in some cases, compensatory protections for untouched areas.

Social equity posed another challenge. While urban residents in Reykjavík and Kópavogur often enjoyed early access to district heating, subsidized electric buses, and a proliferation of charging stations, remote communities in the Westfjords or on the east coast risked being left behind. Diesel generators still rumbled on isolated peninsulas, and fishing vessels in ports like Ísafjörður continued to depend on marine fuels. Bridging this gap required targeted policies: grants for small-scale renewable projects tailored to local conditions, better interconnections to bring clean power to the edges of the grid, and specific funding to help coastal businesses electrify their fleets and facilities.

The political dimension was equally delicate. While there has long been broad consensus in Iceland on the benefits of renewables, debates over large hydropower projects, wind farms, and transmission corridors occasionally split communities and parties. The key to maintaining momentum lay in transparency and tangible benefits. When new lines were built or geothermal fields developed, authorities ensured that local residents saw gains in the form of lower heating bills, infrastructure investments, or revenue-sharing arrangements. Opposition never disappeared, but it was channeled into consultations and planning reforms rather than outright obstruction of the energy transition itself.

Perhaps the most complex challenge lay in sectors that could not be transformed by simply plugging into the grid. Heavy transport, aviation, and fishing – the lifeblood of Iceland’s export economy – demanded solutions beyond battery-electric drivetrains. Here, the Energy Fund played a pivotal role, backing prototypes of electric ferries linking coastal towns, hybrid fishing vessels that combined battery banks with cleaner fuels, and pilot plants for producing green hydrogen and synthetic fuels using surplus hydropower. Some experiments sputtered or proved uneconomic, but others matured just in time to make the closure of coal and the tightening of climate regulations feasible without undermining the country’s economic base.

On the human side, the transition brought anxiety as well as hope. Workers in fossil-adjacent sectors feared obsolescence, while younger generations wondered whether the promised green jobs would materialize or migrate to other countries. To address this, the government and industry partners built robust training pipelines: technical colleges adding geothermal and grid-management tracks, universities expanding programs in environmental engineering and energy economics, and retraining initiatives focused explicitly on those leaving coal, oil distribution, or combustion-based heating industries. The story of a control-room operator from Straumsvík becoming a lead technician at a geothermal plant in Reykjanes is not an isolated anecdote but representative of a broader pattern.

Yet for all the friction, the triumph is undeniable. When the last coal deliveries ceased, there were no blackouts, no emergency imports of power from abroad, no scrambling on cold nights to keep the grid stable. Instead, the switchover was almost anticlimactic – a testament to the redundancy and resilience that had been carefully woven into the system. Electric buses continued to roll through winter streets; aluminum smelters and data centers buzzed along the shores; fishermen returned to harbors lit by hydropower; and in homes from Hafnarfjörður to Húsavík, radiators ticked quietly with geothermal warmth.

For other nations still locked into coal dependency, Iceland’s journey offers both inspiration and a sober reminder. It underscores that a fully renewable energy system is not the product of a single revolutionary technology, but the sum of many incremental steps: early investment in domestic resources, patient grid modernization, clear price signals through carbon taxation, bans that set non-negotiable deadlines, and – perhaps most importantly – a social compact that treats clean energy not as a partisan wedge but as a shared inheritance. The silence at Straumsvík is in this sense deceptively loud. It calls out to coal towns on distant continents, suggesting that an orderly, dignified exit from the age of carbon is possible.

As spring tips into summer on this island of ice and fire, the steam plumes above geothermal plants and the foaming spillways below dams look much as they did before the last coal unit shut down. But something fundamental has shifted. Iceland has crossed an invisible threshold, proving, in its own rugged, volcanic way, that the future so often described in climate pledges and conference declarations can, in fact, be lived. The challenge now is to carry that momentum forward – to decarbonize aviation, to deepen partnerships with other nations, to share know-how without hubris. The coal dust has settled. What remains is a landscape powered not by buried carbon, but by the restless, renewable energies that shaped it over millennia – and a people determined, at last, to live within those bounds.