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LUMA Energy

LUMA Energy, LLC is a private joint venture between Canadian energy company ATCO Ltd. and U.S. infrastructure services firm Quanta Services, Inc., responsible for operating and maintaining Puerto Rico's and distribution system. The company was selected in June 2020 through a public-private partnership to assume these functions from the bankrupt (PREPA), commencing operations on June 1, 2021, under a 15-year agreement aimed at modernizing the grid degraded by chronic underinvestment and Hurricane Maria's 2017 devastation. LUMA manages over 52,000 miles of power lines serving approximately 1.5 million customers but does not handle , which is overseen separately by Genera PR; its mandate focuses on enhancing reliability, resilience, and integration of sources. While LUMA has reported operational improvements, including a roughly 35% reduction in service interruption frequency by mid-2023 compared to prior baselines, the system continues to face scrutiny for frequent outages, prompting and calls for accountability amid debates over contract performance and grid modernization progress.

Company Overview

Formation and Ownership

LUMA Energy, LLC (LUMA) was established in June 2020 as a specifically to modernize and operate Puerto Rico's and system under a public-private partnership with the (PREPA). The entity was formed by , Inc., a U.S.-based services company specializing in and construction, and Ltd., a Canadian diversified utility and firm through its subsidiary Canadian Utilities Limited. Ownership is structured as an equal partnership, with holding 50% and holding the remaining 50%. Headquartered at 644 Fernandez Juncos Avenue in , LUMA operates as a private entity independent from generation assets, focusing solely on grid transmission, , and related services. This structure was designed to leverage Quanta's expertise in large-scale projects and ATCO's experience in operations across and internationally.

Contract with PREPA and Scope of Responsibilities

LUMA Energy entered into an Operations and Maintenance (O&M) Agreement with the Puerto Rico Electric Power Authority (PREPA) and the Puerto Rico Public-Private Partnerships Authority (P3A) on June 22, 2020, establishing LUMA as the operator of PREPA's transmission and distribution (T&D) system. Operations under the agreement commenced on June 1, 2021, marking the transfer of day-to-day management responsibilities from PREPA to LUMA. The contract was awarded following a competitive bidding process initiated in to address chronic inefficiencies in PREPA's grid operations. The agreement has an initial term of 15 years, during which PREPA retains ownership of the T&D assets while LUMA handles all operational and maintenance functions. Extensions beyond this period require mutual consent between the parties. LUMA's role excludes generation assets, which are managed separately through entities like Genera PR under distinct agreements. Under the O&M Agreement, LUMA's scope of responsibilities encompasses the full operation of the T&D system, including and management, load serving, economic dispatch, and coordination of system to ensure reliability and compliance with prudent utility practices. This includes asset maintenance, operations, response protocols, of necessary materials, budgeting, support, and representation as PREPA's in regulatory proceedings before the Puerto Rico Energy Bureau (PREB). LUMA is also obligated to implement performance benchmarks for metrics such as outage duration and system availability, with provisions for modernization efforts to upgrade aging . Financially, LUMA receives a fixed annual fee, starting at $70 million in the first year and escalating to $105 million from years 4 through 15, adjusted for , in exchange for core services. An additional incentive fee, ranging from $13 million initially to $20 million annually thereafter, is tied to achieving specified performance targets. Separate reimbursements cover out-of-scope activities, such as certain bankruptcy-related costs or extraordinary expenses, with total projected fixed payments over the term estimated at approximately $1.625 billion.

Pre-LUMA Context

PREPA's Mismanagement and Financial Collapse

The (PREPA) accumulated approximately $9 billion in bond debt through decades of fiscal mismanagement, culminating in a default on a restructuring agreement and the filing for protections under Title III of the (PROMESA) on July 2, 2017. This debt load, with bondholders claiming around $8.5 billion, arose from practices such as issuing bonds to finance operating expenses rather than investing in infrastructure or operational efficiency, exacerbating long-term insolvency. PREPA's operational inefficiencies were compounded by chronic underinvestment in , resulting in poor system reliability, frequent outages, and elevated costs for consumers, often exceeding those in the U.S. Deferred on , , and assets left the grid in a deteriorated state, with inadequate procedures for upkeep contributing to an aging unable to meet demand reliably. Corruption scandals further eroded PREPA's financial health, including irregularities in procurement where executives and contractors allegedly profited from overpriced oil deals totaling billions of dollars, as detailed in investigations into the agency's Office operations. Political and interference in hiring and contracting decisions prioritized short-term gains over , perpetuating a cycle of inefficiency and unaddressed liabilities that rendered PREPA unable to service its debt or modernize independently. By 2017, these factors had transformed PREPA into a financially unviable entity, necessitating federal oversight and restructuring efforts that reduced creditor recoveries but failed to immediately resolve underlying governance flaws.

Grid Vulnerabilities Exposed by Natural Disasters

, which struck as a Category 4 storm on September 20, 2017, exposed profound vulnerabilities in the (PREPA)'s grid infrastructure, resulting in a near-total collapse of the transmission and distribution system. The storm damaged approximately 80% of the grid, leading to the longest in U.S. history, with full restoration taking about 11 months. PREPA's antiquated equipment, including aging poles, lines, and substations inadequately hardened against high winds and flooding, failed catastrophically, as the grid lacked sufficient redundancy and resilience features like underground cabling or elevated structures in flood-prone areas. This event underscored PREPA's chronic underinvestment in maintenance, with pre-storm audits revealing the system was operating with minimal reserves and deferred upgrades. Earlier in September 2017 had already strained the grid, but Maria's impact amplified systemic weaknesses, including overreliance on centralized plants vulnerable to single-point failures and insufficient capabilities for isolated recovery. Official assessments post-Maria highlighted that the grid's design, inherited from decades of minimal modernization, prioritized cost over storm resistance in a region prone to tropical cyclones, resulting in 95% of customers losing power immediately after . These failures not only delayed but also contributed to broader humanitarian crises, as prolonged outages affected , hospitals, and communications. Subsequent seismic events in January 2020 further revealed the grid's fragility to non-hurricane disasters. A 6.4-magnitude on January 7 damaged PREPA's largest power plants, including Costa Sur and EcoEléctrica, triggering a complete island-wide and outages for about 900,000 of 1.5 million customers due to structural failures in facilities and lines. The events exposed inadequate seismic , with plants built to outdated standards unable to withstand ground shaking, compounded by PREPA's reliance on coastal sites susceptible to and tsunamis. While PREPA restored power to 99% of customers by January 13, 2020, the rapid succession of failures demonstrated persistent issues in operational redundancy and emergency response protocols. Collectively, these disasters illustrated causal links between PREPA's deferred investments—estimated at billions in backlog—and heightened outage risks, as empirical from reports showed the grid's mean time to far exceeding mainland U.S. utilities in similar events. Vulnerabilities stemmed from empirical realities like the island's topography, which funnels storms and quakes into concentrated damage zones, without corresponding engineering adaptations such as or sensors for real-time fault isolation.

Infrastructure and Operations

Transmission and Distribution Management

LUMA Energy operates and maintains 's electric transmission and distribution (T&D) system, spanning approximately 30,000 kilometers of lines, under a 15-year contract awarded in 2021 by the Puerto Rico Public-Private Partnerships Authority. The company receives electricity from independent generating facilities managed by PREPA or Genera PR and delivers it to over 1.5 million customers, without involvement in generation, fuel procurement, or retail sales. Operations are regulated by the Puerto Rico Energy Bureau (PREB), which oversees service quality, reliability standards, and tariff adjustments. Management emphasizes preventive maintenance, vegetation control, and infrastructure hardening to mitigate outages from weather events and vegetation encroachment, which have historically caused significant disruptions. Key activities include annual clearing along 4,000 miles of lines under proposed plans, and repair of structures (e.g., replacing 206 structures and 15 poles in areas like Maunabo and Guayama), and upgrading from oil- to gas-insulated types for improved and reliability. LUMA employs around 4,000 personnel, supported by the in Canóvanas for technical training, to execute these tasks and enhance workforce capabilities. Modernization efforts leverage federal funding, including $630 million from FEMA for substation upgrades and repairs as part of a broader $5 billion obligation. Notable projects include replacing aging transformers—such as 69-year-old units—with 3 new installations in Bayamón, , and Ponce by May 2025, and ordering 89 more for delivery through 2026 from suppliers in , , and . is advancing with plans for over 26,000 devices to enable faster fault isolation and service restoration, alongside deployment of hurricane-resistant poles (targeting 11,100 units) and smart metering, marked by the first installation at a housing complex in April 2025. LUMA's proposed $3.45 billion for 2025–2028 under the optimal scenario focuses on these T&D enhancements, funded via customer adjustments averaging $19.16 monthly (less than 63 cents daily), with all proceeds reinvested into the rather than profits. Projected outcomes include a 14% reduction in outage duration (SAIDI) and 12% in frequency () by 2028, preventing 240 million customer-minutes of interruptions, based on empirical modeling of grid performance data. A constrained $2.30 billion targets 9% and 8% reductions, respectively, reflecting trade-offs in scope amid fiscal constraints. These initiatives build on PREPA's retained asset ownership, where LUMA provides operational expertise without initial capital mandates, though voluntary upgrades have accelerated post-hurricane recovery.

Modernization Investments and Upgrades

LUMA Energy has undertaken significant investments in upgrading Puerto Rico's transmission and distribution infrastructure, primarily funded through (FEMA) obligations totaling $5 billion for grid modernization, of which $1.8 billion supports ongoing construction and $630 million targets substation modernizations and repairs. These efforts focus on replacing aging equipment, such as transformers and circuit breakers dating back 69 to 87 years, to enhance reliability and resilience against hurricanes. Key projects under the $630 million FEMA allocation include the installation of three new transformers in Bayamón, , and Ponce substations as of May 2025, with 89 additional units ordered for delivery through 2026 and five more slated for energization in Río Grande, Caguas, and Monacillos. upgrades have progressed with 22 units installed, including replacements of oil-based models with gas-insulated ones at the Costa Sur substation, and seven more planned. repairs have addressed 182 critical failure points, repaired or replaced 206 structures, and substituted 15 poles in areas including Maunabo, Juncos, and Guayama, following inspections of 47 out of 51 priority segments. Vegetation clearing, aimed at reducing outage risks, covered 660 miles of power lines in Mayagüez, Ponce, Caguas, and Arecibo by early 2025. Federal support beyond FEMA includes the $1 billion Puerto Rico Energy Resilience Fund established in December 2022 to bolster grid resilience in and , complemented by a $7.4 million Grid Resilience Formula Grant awarded on July 31, 2023, for modernization initiatives. LUMA has also proposed an "Optimal Budget" of $3.45 billion for and improvements from 2025 to 2028, emphasizing reliability enhancements like annual clearing of 4,000 miles of vegetation and of over 26,000 devices, alongside resiliency measures such as 11,100 hurricane-resistant poles and substation upgrades. This plan projects reductions in outage duration by 14% and frequency by 12%, preventing approximately 240 million customer interruption minutes, though it would raise average monthly residential bills by $19.16 if approved. An alternative "Constrained Budget" of $2.3 billion offers scaled-back improvements with lesser outage reductions. These initiatives align with LUMA's five-year infrastructure plan for fiscal years 2025-2029, prioritizing empirical upgrades to address longstanding grid vulnerabilities.

Renewable Energy Integration

LUMA Energy, responsible for Puerto Rico's electricity transmission and distribution, facilitates renewable energy integration by managing grid interconnections for utility-scale projects, supporting such as through policies, and upgrading infrastructure to accommodate variable renewable sources. This role aligns with Puerto Rico's (RPS), which mandates 40% renewable energy by 2025, 60% by 2040, and 100% by 2050, as established in 2019 legislation. Despite these targets, Puerto Rico's electricity generation remains dominated by fossil fuels, with renewables comprising only about 3% as of recent assessments, underscoring the need for enhanced grid flexibility to handle from and . In February 2025, LUMA signed an agreement with Linxon US to develop nine new interconnection points, enabling the addition of over 990 megawatts (MW) of clean energy capacity—primarily solar and wind—and more than 700 MW of battery storage to the grid. These substations and related upgrades are designed to improve grid stability and support higher renewable penetration by providing points of connection for large-scale projects procured under Puerto Rico's Tranche 1 renewable energy initiative. LUMA's System Operation Principles further emphasize operational adjustments, including demand response and storage integration, to comply with the RPS and the island's Integrated Resource Plan. To enable finer control over distributed renewables, LUMA began deploying advanced metering infrastructure in 2025, with the first installed on April 11, 2025, at the Nemesio Canales complex in . facilitate real-time monitoring and for customer-owned photovoltaic systems, allowing excess generation to offset consumption and incentivizing residential and commercial adoption. This infrastructure supports Puerto Rico's broader transition goals, as outlined in the NREL-led PR100 study, which models pathways to 100% renewables by 2050 through a mix of utility-scale and distributed resources, though actual integration progress depends on coordinated generation additions by PREPA and private developers.

Historical Timeline

Contract Award and Transition (2018-2021)

The Puerto Rico Public-Private Partnership Authority (P3 Authority) initiated a competitive bidding process in 2018 for the operation and modernization of the Puerto Rico Electric Power Authority's (PREPA) transmission and distribution (T&D) system, amid ongoing financial distress and infrastructural failures exposed by Hurricane Maria in 2017. The request for proposals (RFP) sought a private entity to manage these functions under a long-term contract, separating them from PREPA's generation assets to enable restructuring under the Puerto Rico Oversight, Management, and Economic Stability Act (PROMESA). Bids were submitted by consortia including LUMA Energy, LLC—a joint venture equally owned by Quanta Services and ATCO Ltd.—as well as competitors such as PSEG Services, Duke Energy, and Exelon. LUMA was selected as the preferred bidder in early 2020 after evaluations revealed identical technical scores among top contenders, with decisions hinging on financial proposals and operational plans. The contract, valued at approximately $1.5 billion over 15 years including fixed fees, performance incentives, and penalties for reliability shortfalls, was executed between PREPA, the P3 Authority, and LUMA on June 22, 2020. PREPA's Governing Board ratified the agreement that same day following a 43-minute closed-door meeting, a process criticized by some observers for lacking and extended deliberation despite the contract's scale. The deal mandated LUMA to maintain , invest in grid hardening, and achieve specific service level metrics, such as reducing outage durations, while PREPA retained oversight of generation and billing. The transition phase from contract award to operational handover spanned late 2020 through May 2021, during which LUMA conducted system audits, recruited over 2,000 local employees, and initiated preparatory upgrades without full control. This period involved coordination with PREPA to transfer assets, data, and operational protocols, amid logistical hurdles including supply chain delays and regulatory reviews by the Bureau. LUMA assumed responsibility for the T&D system on June 1, 2021, marking the end of the transition and the start of its tenure to operate approximately 30,000 miles of lines serving 1.5 million customers. Initial reports noted preparatory investments exceeding $100 million in vegetation management and equipment, though full impacts were deferred until post-commencement evaluations.

Early Operations and Initial Challenges (2021-2022)

LUMA Energy commenced operations as the operator and maintainer of Puerto Rico's electric transmission and distribution system on June 1, 2021, under a 15-year agreement with the (PREPA). The transition involved assuming control of a plagued by chronic underinvestment, with LUMA tasked to manage approximately 30,000 miles of lines serving 1.5 million customers while coordinating with PREPA's generation assets. However, the handover faced immediate hurdles, including a failure to retain a majority of PREPA's workforce, as many employees opted not to join LUMA despite contractual preferences for hiring qualified former PREPA staff, resulting in shortages and operational readiness concerns. In the initial months, LUMA encountered criticism for extended service restoration times, frequent voltage fluctuations, and inadequate , which exacerbated public frustration amid an inherited vulnerable to failures. These issues manifested in events such as the August 22, 2021, system trip at the Costa Sur (CS6) generating unit, which triggered widespread load shedding and highlighted challenges between LUMA's operations and PREPA's reliability. Surging during August and September 2021 prompted rolling blackouts affecting a majority of customers, with outages attributed to grid constraints unable to accommodate shortfalls, leading to protests demanding LUMA's removal by October 2021. Throughout 2022, persistent reliability problems persisted, compounded by the grid's exposure to natural events; on September 20, 2022, caused a total island-wide , with restoration taking up to four weeks in some areas due to widespread damage to poles, lines, and substations from the Category 1 storm's flooding and winds. Empirical assessments from this period indicated that outage durations and frequencies often exceeded pre-transition benchmarks under PREPA, with critics citing flaws such as delayed responses and insufficient preparedness for a system marked by decades of deferred maintenance. LUMA maintained that these challenges stemmed from the profoundly degraded state of the infrastructure received, including aging equipment and inadequate historical data from PREPA, rather than operational deficiencies alone.

Recent Developments and Progress (2023-2025)

In 2023 and 2024, LUMA Energy executed significant upgrades, replacing 20,500 poles and completing 44 upgrades across 22 substations, achieving 18% above planned targets. The company also trimmed vegetation along 5,400 miles of transmission and distribution lines, exceeding goals by 7%, and deployed over 9,300 grid automation devices, averting an estimated 271 million minutes of potential service interruptions according to LUMA's operational data. Renewable energy integration advanced notably, with LUMA interconnecting 135,000 customers to rooftop systems and adding 940 MW of distributed capacity in 2024. By June 2025, total rooftop installations reached 1.2 across 163,000 residential systems, supplying over 10% of Puerto Rico's consumption based on LUMA filings with regulators. LUMA further supported this by installing 161,800 LED streetlights in all 78 municipalities and distributing 51,000 kits, yielding estimated savings of 19,800 MWh. In February 2025, LUMA announced construction of nine new grid interconnection points in partnership with and , designed to accommodate over 990 MW of clean energy generation and 700 MW of battery energy storage systems (BESS), aligning with Puerto Rico's Integrated Resource Plan for renewables. This built on prior regulatory approvals, including 430 MW/1,720 MWh of BESS in November 2023 and an additional 360 MW in May 2024. FEMA-funded modernization efforts progressed with $630 million allocated to substation transformer replacements and transmission line repairs; by May 2025, five additional were energized and seven circuit breakers replaced, while $1.8 billion of a $5 billion commitment entered active construction. LUMA proposed $3.45 billion in further and investments for 2025-2028 to enhance system resiliency, pending regulatory approval.

Performance and Reliability

Key Achievements and Empirical Metrics

LUMA Energy has deployed 9,900 grid automation devices as of the second quarter of 2025 (October to December 2024), preventing 67.5 million customer interruption minutes during that period and a cumulative 262 million minutes since July 2023. These devices enable automated fault isolation and service restoration, contributing to targeted reductions in outage impacts. Additionally, LUMA reported a 26% decrease in outage frequency compared to the baseline established under the previous operator during the same quarter. In integration, LUMA connected 9,900 new rooftop customers in Q2 FY2025, adding 87 megawatts of to the system, alongside approximately 176,600 kilowatt-hours of new . Cumulative efforts have supported over 135,000 interconnections, incorporating 940 megawatts of generation as of May 2025. Reliability metrics show improvement in the System Average Interruption Frequency Index (), with customers averaging about eight interruptions annually from April 2023 to March 2024, down from eleven in 2020 under prior management, according to LUMA's reporting. Customer service enhancements include a 28% reduction in average call wait times and a 21% drop in in-person service wait times to under 7.5 minutes in Q2 FY2025, building on prior gains such as a 45% decrease in call waits to less than one minute. Safety performance advanced with an 8.3% decline in the OSHA severity quarter-over-quarter, alongside broader reductions in recordable and days-away-from-work incidents. Vegetation management initiatives, including clearing 16,000 miles of power lines with $1.2 billion in FEMA funding, aim for 35-45% outage reductions upon completion.

Outages, Interruptions, and Causal Factors

Puerto Rico's electrical grid under 's management since June 2021 has been characterized by persistent outages and interruptions, with the territory experiencing 15% more service interruptions than the U.S. mainland average and outages lasting 21% longer. These reliability issues stem largely from infrastructure inherited from the (PREPA), marked by decades of underinvestment, corruption, and neglect, resulting in dilapidated power plants, substations, and transmission lines vulnerable to cascading failures. Major outages include the blackout on December 31, 2024, which affected over 1.2 million customers across nearly the entire island due to the failure of an outdated underground cable manufactured by a company defunct for 25 years, highlighting the grid's reliance on unrepaired components from before in 2017. A subsequent island-wide event on April 16, 2025, impacted 1.4 million customers when a failure triggered the shutdown of all generating plants starting at 12:38 p.m., with preliminary investigations citing multiple factors including potential overgrown vegetation interfering with lines. Restoration efforts for the April incident achieved 98.8% service recovery in under 38 hours, among the fastest in Puerto Rico's history. Key causal factors include chronic generation shortfalls, with LUMA projecting 36 days of load shedding—totaling up to 154 hours of interruptions—between July 2024 and June 2025 due to unreliable from generators, an increase from 33 events (78 hours) in the prior year. Equipment-specific failures, such as circuit breakers and aging cables, exacerbate vulnerabilities, often leading to rapid system-wide collapses from localized faults. External shocks like in September 2022, which caused 100% grid outages lasting up to four weeks in some areas, underscore the grid's fragility to weather events, compounded by insufficient dispatchable capacity from fossil units. Prior PREPA mismanagement, including poor and financial irregularities, left a legacy of 115 generation-related shutoffs in 2023 alone, contributing to ongoing instability despite LUMA's operational oversight.

Controversies and External Factors

Government Contract Disputes and Funding Shortfalls

In August 2025, LUMA Energy initiated legal action against the and the , seeking to enforce provisions of its operation and management agreement under Article 15, which outlines mechanisms for contractual disagreements. The lawsuit addressed claims that PREPA's withholding of funds threatened LUMA's operational stability, amid broader tensions over payment obligations and federal reimbursements. A central issue has been PREPA's withholding of approximately $700 million in operational funding allocated to LUMA and co-operator Genera , which LUMA contends has precipitated a crisis impeding grid maintenance and upgrades. PREPA has also neglected to capitalize a designated storm response account, further straining LUMA's resources for emergency preparedness, according to company statements. In response, Governor Jenniffer González Colón's administration rejected LUMA's assertion of an $800 million debt owed by the government, arguing that historical reliance on public loans to cover LUMA's shortfalls poses risks to bondholders and fiscal sustainability. Disputes extend to the management of federal funds, with PREPA accusing LUMA of inefficiencies in securing reimbursements from the (FEMA) for post-hurricane repairs and infrastructure work. LUMA has countered that inflationary pressures, stagnant revenue from base rates, and underfunding of operational needs—exacerbated by PREPA's rate structures—limit its capacity to invest without additional adjustments, as highlighted in ongoing rate review proceedings before the Puerto Rico Energy Bureau. These conflicts have delayed grid reconstruction efforts, with Puerto Rico's Energy Public Policy Program director attributing slowdowns partly to LUMA's handling of federal allocations. Bondholder pressures on PREPA, demanding repayment of $3.7 billion in , have compounded constraints, potentially requiring diversions from operational budgets or rate hikes that indirectly affect LUMA's performance incentives. Despite these frictions, LUMA maintains that resolution through contractual , rather than termination, would minimize economic disruptions, including transition costs estimated in the hundreds of millions.

Sabotage, Vandalism, and Security Issues

LUMA Energy has faced reports of sabotage and vandalism targeting its equipment and facilities, particularly during its initial transition period in 2021 amid public opposition to the privatization of Puerto Rico's power distribution. Numerous incidents involved alleged tampering with LUMA trucks and unauthorized entry into facilities, such as the arrest of three individuals in Ponce on June 3, 2021, who entered LUMA premises, locked themselves inside two work vehicles, and attempted to drive away, actions described by authorities as disruptive to operations. LUMA officials have attributed some early outages, including a June 10, 2021, blackout affecting nearly 900,000 customers, to potential sabotage at infrastructure sites, though investigations did not always confirm intentional acts beyond initial suspicions. Vandalism of electrical components, including transformers, has been cited as a recurring challenge, with LUMA warning that such damage renders equipment hazardous and contributes to service disruptions. Company statements emphasize the need for public reporting of observed to emergency services, reflecting ongoing vulnerabilities in the aging grid inherited from the . While specific quantified incidents of material theft like copper wiring are less documented in relation to LUMA compared to pre-privatization eras, general sabotage reports tied to opposition have prompted LUMA to pursue legal charges where of trespassing or deliberate emerges. Cybersecurity threats have compounded physical risks, exemplified by a distributed denial-of-service (DDoS) attack on June 10, 2021, targeting LUMA's customer portal and mobile app hours before a substation fire caused widespread blackouts affecting over 800,000 customers. LUMA reported the cyber incident to authorities, highlighting it as part of broader opposition-driven disruptions, though no perpetrators were publicly identified. These events underscore systemic gaps in , with LUMA advocating for enhanced protections amid a legacy of underinvestment and public distrust.

Public and Political Backlash

Public discontent with LUMA Energy has manifested in widespread protests and demands for contract termination, primarily driven by persistent power outages and perceived service deterioration since the company's takeover of Puerto Rico's transmission and distribution system in June 2021. In July 2022, thousands gathered in to protest chronic blackouts, chanting slogans criticizing LUMA's management and rate increases, with demonstrators blocking roads and calling for the contract's cancellation. Similar demonstrations occurred in September 2022, where rallied against LUMA's handling of the grid, highlighting failures in restoring reliable service post-Hurricane . By July 2024, hundreds marched in the capital again, demanding an end to the privatization deal amid ongoing interruptions averaging 1,414 minutes per customer from April 2023 to March 2024, even without major storms. Political figures have amplified these grievances, with Governor publicly denouncing LUMA in August 2022 for a spike in outages affecting hundreds of thousands, urging improvements in response times and infrastructure maintenance. In April 2025, following an island-wide on April 16 that left over 1 million customers without , officials and residents called for terminating LUMA's , citing the event as emblematic of systemic failures despite the company's $6 billion-plus investment claims. U.S. Representative criticized LUMA in July 2025 for exacerbating the energy crisis through negligence, pointing to increased outage frequency and duration. Former legislator Torres Cruz noted in June 2025 that cuts had risen 30-35% on average since LUMA's arrival, fueling legislative scrutiny. Backlash intensified with legal actions, as the government sued LUMA in July 2025 over chronic outages damaging consumer appliances, seeking accountability for surges and interruptions that critics attribute to inadequate maintenance rather than solely generation shortfalls. Advocacy groups like and local organizations opposed LUMA's contract extension in November 2022, arguing it rewarded poor performance amid unmet reliability targets, such as restoring power within 24 hours for 90% of customers during emergencies. Public sentiment, reflected in polls and street actions, often frames LUMA's operations as prioritizing profits over resilience, with rate hikes—projected to add $190-350 million in unrecovered costs passed to consumers—exacerbating affordability concerns in a territory still recovering from fiscal .

Specific Incidents and Case Studies

In June 2021, shortly after assuming operations, LUMA Energy experienced a distributed denial-of-service (DDoS) on its customer portal, followed hours later by a at the Monacillo substation in . The DDoS attack, reported to authorities on June 10, disrupted online services but did not directly impact power delivery. The subsequent , originating from an explosion in a , knocked out power to approximately 900,000 customers across northern and central , with restoration efforts extending into the following days. Investigations attributed the fire to equipment failure in aging infrastructure inherited from PREPA, though no definitive link to was confirmed despite public speculation. Hurricane Fiona, a Category 1 storm that struck Puerto Rico on September 20, 2022, caused extensive damage to transmission and distribution lines due to heavy rainfall exceeding 30 inches in some areas, leading to outages affecting nearly the entire island's 1.5 million customers. LUMA deployed over 2,000 field personnel, including mainland support crews, and restored power to about 80% of customers within a week, achieving 99% restoration by early October. Critics, including local advocacy groups, highlighted delays in rural areas and questioned preparedness given the grid's pre-existing vulnerabilities from deferred maintenance under PREPA, though LUMA described its response as unprecedented in scale compared to prior storms. An island-wide blackout occurred on April 6, 2022, triggered by the failure of oil-circuit breaker #0082 at the Costa Sur substation during an attempt to reconnect Unit #5 of the Costa Sur Steam Plant to at 8:42 PM. The breaker failure damaged adjacent equipment, including Bus #6 and three circuit breakers, cascading to disconnect key 230 lines and the EcoEléctrica plant, resulting in a full outage within 19 seconds affecting all customers. PREPA records indicated the breaker was last serviced in March 2020 with maintenance deemed current, while LUMA had performed 17 switchyard maintenance actions at the site since June 2021; full forensic analysis pointed to potential internal failure under load, with power restored to 99% of customers by April 10. On December 31, 2024, a fault in an underground caused a impacting over 1.2 million customers, or 90% of LUMA's base, starting around 5 AM on . Restoration reached nearly all customers within hours, attributed to the line issue amid aging assets and climate stressors, though no evidence of external interference was reported. A similar island-wide event struck on April 16, 2025, leaving 1.4 million customers without power due to a failure from overgrown contact. LUMA's preliminary report cited this as the initiating factor in the , with progressing to 57.6% by evening and nearly 99% within two days; contributing elements included legacy weaknesses and challenges in remote areas. Reports of and against LUMA assets, such as slashed tires on repair trucks and damaged equipment, emerged sporadically since 2021, often linked to opposition against the , though specific verified cases remain limited to general alerts rather than isolated prosecutable events.