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Batteries: The Workhorse of an Affordable, Reliable Grid
The report examines how battery energy storage can enhance grid reliability—specifically resource adequacy, stability, and resilience—while reducing costs. It contrasts the successful deployment of batteries in Texas (ERCOT) and California (CAISO), where well-defined ancillary services and value stacking have lowered costs, with the PJM region, where high uplift costs and interconnection hurdles persist. The author recommends that regulators and planners define competitive ancillary service products, properly value resource adequacy, and modernize interconnection processes to replace expensive legacy fossil fuel generators.
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Document type: Report
Creating Energy Independence in the High Arctic
Kotzebue, Alaska, a remote community of 3,000 people, has transitioned from total reliance on diesel generators to a diversified energy mix including wind, solar, and battery storage. By implementing utility-scale wind generation—a first within the Arctic Circle—and a 1 MW solar array, the town has displaced 350,000–400,000 gallons of diesel annually. These efforts aim to insulate the community from volatile global fuel prices and seasonal supply constraints, with a target of 50 to 60 percent renewable generation by 2030.
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Document type: Case study
China Energy Transition Review 2025
China is rapidly transitioning its energy system through massive investment in renewables, grid infrastructure, and whole-economy electrification. This shift is moving China toward a peak in fossil fuel use and is driving down the global cost of clean technologies, enabling emerging markets to leapfrog traditional development paths and potentially triggering a structural decline in global fossil fuel demand by 2030.
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Document type: Report
How China’s transition is reshaping the global energy landscape
China's massive scale in producing solar, wind, batteries, and electric vehicles has significantly lowered global costs, with solar module prices falling over 70% between 2022 and mid-2025. This manufacturing capacity allows China to potentially supply the entire world's solar needs for 2030 as defined by the IEA. These affordable technologies are facilitating an 'energy leapfrog' in emerging markets across Africa, Asia, and Latin America, where some countries now have higher solar shares in power generation than the US. Consequently, China's own fossil fuel demand is approaching a plateau, and the global demand for fossil fuels is projected to be in structural decline by 2030.
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Document type: Report
Nuclear outpaced fourteen to one by wind and solar in Europe
The briefing argues that nuclear power is an impractical solution for near-term climate targets in Europe and Australia due to systemic delays, high costs, and a high rate of project cancellations. In Europe, utility-scale wind and solar capacity under construction or in pre-construction outweighs nuclear by fourteen to one, and solar generation surpassed nuclear in the EU for the first time in mid-2025. In Australia, the document concludes that nuclear is unlikely to replace coal by 2038 because construction timelines—estimated by CSIRO to be at least five years longer than the global average—would require groundbreaking by the end of 2025. Globally, the Global Nuclear Power Tracker indicates that 38% of all proposed nuclear capacity (566 GW) has been cancelled.
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Document type: Briefing
Holding Course, Missing Speed
The report finds that while CETP signatories have significantly reduced international public finance for fossil fuels, this has not been matched by a corresponding increase in clean energy support. It highlights ongoing policy violations by several high-income countries and the risk of backsliding due to political shifts, particularly the United States' exit from the partnership in February 2025. The authors recommend a joint quantitative target of at least USD 42 billion per year for clean energy in emerging markets and developing economies by 2026.
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Document type: Report
Solar and flexibility: key to Türkiye’s rising cooling challenge
Türkiye's cooling-related electricity consumption reached 10 TWh in 2024, growing by 26% since 2022. This trend is shifting peak electricity demand from winter to summer, with the gap between summer and winter peaks widening to 9.1 GW by 2025. The report projects that cooling demand could reach 35 TWh by 2035, with peak hourly demand potentially hitting 85 GWh. To address this, the study recommends expanding distributed solar power, which aligns with peak cooling hours, implementing energy storage (including pumped-storage hydro), and improving data collection on air conditioner ownership to enhance demand forecasting.
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Document type: Report
Reality Check: We Have What’s Needed to Reliably Power the Data Center Boom, and It’s Not Coal Plants
The briefing challenges the notion that coal plants are necessary for grid reliability amidst a data center boom in the US. It asserts that coal plants are prone to unplanned outages, lack the ramp speed required for voltage-sensitive loads, and create grid congestion. The author suggests that over 95 percent of future demand can be met using scalable clean solutions such as battery storage and demand flexibility.
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Document type: Briefing
GadgetroniX – Off-grid solar system at Lekule Secondary School (Tanzania)
GadgetroniX installed a 6.48 kWp off-grid solar system with battery storage and hybrid inverter technology at Lekule Secondary School in Arusha, Tanzania. The system, which includes JA Solar panels and a 20 kWh Freedom Won battery, replaced a reliance on inconsistent grid electricity and fossil fuel generators. This transition has enabled students to study after dark, reduced the school's carbon emissions, and lowered operational expenses.
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Document type: Case study
GadgetroniX – Little Sun at Matele Secondary School (Tanzania)
GadgetroniX installed a 9.72 kWp off-grid solar system with battery storage and remote monitoring at Matale Secondary School in Tarime, Tanzania. The project addressed frequent power outages and dependence on expensive energy alternatives, resulting in a 40% reduction in energy costs and the provision of uninterrupted power for students and administrative operations.
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Document type: Case study
The age of storage: Batteries primed for India’s power markets
Merchant BESS in India became financially viable in 2024 due to falling battery costs and increasing price volatility in the Day Ahead Market (DAM). The report finds that BESS can achieve internal rates of return (IRR) up to 24% by combining energy arbitrage with ancillary services, with shorter-duration systems (1-2 hours) currently offering better returns than 4-hour systems.
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Document type: Report
The Power of Engagement: Building Trust and Support for Clean Energy Projects
The report outlines strategies for clean energy developers to mitigate local resistance by prioritizing early, transparent, and inclusive community engagement. Using five case studies across various technologies, it emphasizes the importance of flexible siting, aligning projects with local economic goals, and establishing equitable community benefit programs. It also recommends policy reforms at the state level to streamline permitting and integrate clean energy into broader land-use planning.
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Document type: Report
UA-GRIDEX Project Report: Promoting Resilience and Uninterrupted Access to Essential Municipal Services in Ukraine through Exploring the Potential of Renewable Energy Solutions for a Municipal Water Station
The report evaluates renewable energy options for a municipal water station in Ukraine serving 400,000 residents. It compares 100% decentralised systems (PV+Battery vs. Wind+Battery) and feasible grid-connected hybrid systems, finding that while wind is more cost-effective, solar PV is the only viable on-site installation due to space constraints. For heating, water-to-water heat pumps are identified as the optimal solution. The report also maps international financing opportunities from institutions like the EBRD, EIB, and World Bank to support implementation.
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Document type: Report
Decoding the coal-power transition in China: facts, challenges, and opportunities
The report investigates the factors behind the acceleration of coal power approvals in China between 2022 and 2024, including rising power demand and energy security concerns. It details China's strategy to maintain supply continuity through flexibility retrofits and carbon-reduction pilots while proposing a transition toward clean power generation and storage technologies to replace coal's role in system reliability.
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Document type: Report
Solar is EU’s biggest power source for the first time ever
In June 2025, solar power became the largest source of electricity in the EU, generating 22.1% of the total supply. This milestone coincided with record-high wind generation for May and June and a record low for coal's share of electricity. However, the first half of 2025 saw an overall increase in fossil fuel generation, driven by higher gas use and lower hydropower output due to drought.
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Document type: Report
Green Hydrogen Production Pathways for India
The report analyzes green hydrogen production in India, finding that state-level transmission waivers and capital subsidies are critical for cost competitiveness. It compares on-site, ISTS-connected, and STU-connected project models, highlighting that while on-site projects avoid transmission costs, they face land and demand constraints. The study identifies Odisha as a leader in cost competitiveness due to aggressive incentive packages and emphasizes that off-site projects require at least a 50% cost reduction to compete with grey hydrogen.
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Document type: Report
Heat and power: Impacts of the 2025 heatwave in Europe
The June–July 2025 heatwave in Europe increased electricity demand by up to 14% and caused average daily power prices to double or triple in several countries. While record solar generation of 45 TWh in June 2025 helped maintain daytime stability, the heatwave triggered thermal power plant outages, particularly affecting France's nuclear fleet. The report argues for the deployment of battery storage, interconnection, and demand flexibility to mitigate future extreme weather risks.
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Document type: Report
Solar BRICS: Emerging economies now lead the world's clean energy race
BRICS nations now generate over half of the world's solar power, driven primarily by China, India, and Brazil. In 2024, these countries accounted for 51% of global solar electricity generation, with China alone contributing 39%. Solar power met 37% of the total increase in electricity generation across BRICS members in 2024, contributing to a total clean energy share of 70% for new generation growth. While China, India, and Brazil show strong continued growth in 2025, other members like Russia, Indonesia, and Egypt lag in solar deployment or remain dependent on fossil fuels.
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Document type: Report
The geography of clean energy investments in the U.S.
The document analyzes how federal clean energy incentives have driven over $321 billion in investments across the U.S. between Q2 2022 and Q1 2025, highlighting that these investments are heavily concentrated in Southern and Western states and Republican-held congressional districts. It argues that rolling back these incentives would disproportionately harm these regions and jeopardize significant outstanding investments in states like Louisiana and North Dakota, as well as major projects in emerging hubs like Southern Arizona and the Southeast.
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Document type: Briefing
Safe Uranium Mining?
The Canadian Association of Physicians for the Environment (CAPE) opposes uranium mining in Nova Scotia, citing risks of radon gas release, groundwater contamination, and the creation of long-term radioactive waste. The document disputes industry claims that mining is necessary for medical isotopes or climate goals, arguing that Nova Scotia's high population density and precipitation make it unsuitable for mining compared to Saskatchewan.
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Document type: Briefing