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Drought Dims Hydropower’s Promise

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Hydropower is the world’s single largest source of green energy. On a global scale, hydropower plants produce more energy than all other renewable power sources combined.
However, the growth rate of new hydropower capacity has tapered off in recent years, and the sector is plagued by serious current and future problems, from increased incidents and intensity of droughts in a changing climate, and major negative environmental externalities associated with mega-dams.
Hydropower offers a critical benefit that other renewable energies don’t. It creates energy around the clock unlike solar and wind energy, which are dependent on weather patterns and therefore highly variable.
For this reason, hydropower is an extremely attractive option for river-endowed nations that want to boost their clean energy production levels without compromising grid stability or energy security. But in recent years, investment in expanded hydro has dropped off.
“In the last five years the average growth rate was less than one-third of what is required, signaling a need for significantly stronger efforts, especially to streamline permitting and ensure project sustainability”, the International Energy Agency (IEA) reported last year.
It continued that “Hydropower plants should be recognised as a reliable backbone of the clean power systems of the future and supported accordingly”.
But in recent years hydropower has not proved to be as reliant as its investors had hoped. Widespread droughts associated with climate change have caused rivers to run lower or even dry up entirely, causing seriously negative (literal) downstream effects for hydropower production plants.
In 2022, intense droughts in China’s Yangtze River basin slashed developed hydropower potential (DHP) by 26%, causing critical shortages and spurring an uptick in coal-fired power production.
In the last few years similar problems have cropped up in Brazil, Ecuador, the United States, and the Mediterranean region, too.
Critically, these are not isolated or one-off incidents; the risk of similar extreme droughts in the future rises by nearly 90% in a number of climate change scenarios, notably SSP585.
“Since September, daily energy cuts have lasted as long as 14 hours”, the New York Times recently reported from Quito, Ecuador.
“Highways have turned an inky black; entire neighborhoods have lost running water, even internet and cell service”, it added.
Not only does this have enormous implications for day-to-day life, these blackouts reverberate through the national economy. It is estimated that for every hour of blackout, Ecuador loses $12 million in productivity and sales.
Climate scenarios are just one of the factors deterring investors away from new hydropower mega-projects.
In the United States, investments in large hydropower plants all but drief up due to the simple fact that “there are no suitable river locations in the US for new ones”, according to recent reporting from CleanTechnica.
And the ones that do exist are associated with major ecological disruptions, changing flood patterns and blocking salmon runs for tens of millions of fish, among other environmental issues.
“There are certainly rivers in other countries which could be tapped using conventional hydropower technology, but not in the US”, Frederick Hasler wrote for CleanTechnica.
“Going forward, current US hydro needs to be maintained, but cannot be significantly increased”, he said.
And there are indeed major projects being planned in the rivers of other countries, but these are not without their own problems.
In the Congo, plans for the world’s largest hydropower project have been stalled for years after much enthusiasm at the outset. Some blame the Democratic Republic of the Congo’s poor governance for the Grand Inga dam’s failure to launch, while others point to a revolving door of international partners, a blisteringly high up-front cost of around $80 billion in one of the world’s poorest nations, and “deep concerns about the project’s environmental and social impact” according to reporting from the BBC.
But the need for the Grand Inga is enormous and impossible to ignore. Around 600 million people in Sub-Saharan Africa lack access to power completely, making electrification a critical step for economic and social development in the region.
But Africa does not have the luxury of emitting greenhouse gases indiscriminately as the developed world has done over the past 150 years.
Instead, the continent is under enormous international pressure to “leapfrog” over fossil fuels and straight to the development of clean energy systems.
It’s hard to imagine how this will be possible without large-scale hydropower.

By: Haley Zaremba

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The Tofu Brine Battery That Could End the Lithium Era

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Researchers in Hong Kong and China have developed a new form of battery that is more eco-friendly and longer lasting than lithium ion batteries –  and it runs on tofu brine. The new water battery is still in research phases, but if the technology proves to be scalable enough to hit commercial markets, it could be a game-changer for the energy and tech sectors.

“Compared with current aqueous battery systems … our system delivers exceptional long-term cycling stability and environmental friendliness under neutral conditions,” the research team, composed of scientists from the City University of Hong Kong and Southern University of Science and Technology in Shenzhen, Guangdong, said in a paper published this month in Nature Communications.

The researchers found that their battery model can be recharged over 120,000 times. “At over a hundred thousand cycles, this could mean a single water-based battery could last at least a decade or so,” states a recent report on the breakthrough from Interesting Engineering. “For applications like grid storage (solar farms, wind balancing), that’s extremely valuable,” the article went on to say.

This kind of lifespan would represent a drastic improvement over the battery technologies that dominate today’s market. Lithium-ion batteries degrade after between 1,000 and 3,000 charge cycles. This could prove revolutionary, as finding an alternative to lithium-ion batteries to power rechargeable devices is a major priority for Big Tech and the global energy sector.

Moreover, these tofu-brine batteries could prove safer and more environmentally friendly than lithium-ion batteries. According to the study authors, the full cells are environmentally benign and nontoxic and can be directly discarded to environments according to various standards.” Water based (also called aqueous) batteries can also potentially be cheap to produce as they rely on ingredients that are less rare in addition to being less hazardous.

Lithium is environmentally harmful to extract, prone to fires, and its supply chains are geopolitically fraught. Currently, China alone controls half of the global lithium market, and is rapidly increasing its stake. In 2024, more than eight in ten battery cells on the planet were made in China. This means that finding a battery model that can compete with lithium-ion batteries in applications like grid-scale energy storage and electric vehicles would have revolutionary implications for global markets.

Researchers around the world have been racing to develop battery models that could diversify the market and make it more competitive and resilient. These models range widely in size, components, and application, with models currently under development for next-gen sodium-ion batteries, quantum batteries, nuclear batteries, and even sand and dirt batteries.

Of course, the irony is that the leading alternatives to lithium-ion batteries are also being developed in Chinese labs. If this new tofu-brine battery proves scalable and applicable outside of a laboratory environment, it could just be another step toward Beijing’s goal of near-total domination of clean energy technology value chains and status as the world’s first and premiere ‘electro-state.’

China’s extreme advantage in global battery making gives it a major point of leverage in global economies as the world continues to electrify at a rapid pace. It is estimated that European demand for lithium in batteries will reach kilo tonnes (thousands of tonnes) of Lithium Carbonate Equivalent by next year, and North American demand will reach 250 kit LCE. it’s all but certain that the vast majority of that demand will be supplied by China.

Other nations are aware of the risk of this dependency, and are taking pains to protect and promote domestic battery manufacturing, but these efforts may be too little, too late. “For globally competitive battery manufacturing industries to emerge outside of Asia over the next ten years, companies will need to do far more than ensure regulatory compliance,” summarizes a McKinsey & Company report released in January. “Challenges will need to be overcome on multiple fronts spanning supply chains, talent management, operations and technology.”

By: Haley Zaremba

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Oil & Energy

REA TO Spend N100bn On Hybrid Mini-grids For Govt Agencies In 2026

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The Rural Electrification Agency (REA) says it will spend N100 billion in 2026 to deploy hybrid mini-grids for government agencies within and outside Abuja.

The Managing Directors, REA, Abba Aliyu, disclosed this while addressing newsmen on the sidelines of the 2026 budget defence session organised by the House Committee on Rural Electrification in Abuja, Friday.

The approved funds form part of the National Public Sector Solarisation programme, a component of the agency’s broader N170 billion budget proposal for 2026.

The initiative is designed to improve electricity reliability for public institutions while reducing operational costs and easing pressure on the national grid.

Aliyu explained that the agency’s total proposed budget for 2026 stands at N170 billion, with N100 billion of the amount dedicated specifically to the solarisation initiative targeting government agencies.

He said the hybrid mini-grid systems combine solar power with complementary energy sources to ensure an uninterrupted electricity supply.

“The total budget size for 2026 operations is N170 billion, out of which N100 billion had been approved for National Public Sector Solarisation.

“The managing director said that the N100 billion targets provision of hybrid mini-grid for government agencies within and outside Abuja”,
He stated that the intervention covers agencies in the Federal Capital Territory as well as other parts of the country with the aim of reducing energy costs for government operations while improving electricity reliability.

Aliyu cited the National Hospital in Abuja as an example where similar infrastructure had been deployed to ensure stable power and cut operational expenses.He added that beyond the Solarisation

programme, the 2026 budget includes over 500 electrification projects nationwide, covering grid extensions for nearby communities, deployment of transformers, mini-grids for agrarian and cottage-industry clusters, and solar home systems for sparsely populated areas.

Recall that earlier in February 2026, REA signed a Memorandum of Understanding with the Economic Community of West African States (ECOWAS) to deploy solar power systems to 15 public institutions across Nigeria.

The project will be implemented under the Regional Off-Grid Electricity Access Project (ROGEAP), a World Bank-supported initiative aimed at expanding off-grid electricity access across West Africa and the Sahel.

ECOWAS will provide a $700,000 grant to fund the installation of solar photovoltaic systems in selected rural health centres  and schools in the Federal Capital Territory, Niger, and Nasarawa States.

The initiative marked the formal commencement of Nigeria’s pilot implementation phase under ROGEAP, with REA serving as the technical and financial implementing agency.
 through interconnected mini-grids.
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Oil & Energy

PIA: TotalEnergies Transfers OLO Oilfield HCDT Obligation To Aradel ……Says HCDT Enabled Completion of 100 Projects In 2 years

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Pursuant of the Petroleum Industry Act (PIA), TotalEnergies has handed over the OLO Oilfield Host Community Development Trust (HCDT) to Aradel Holdings Plc.
This transition follows Aradel’s earlier acquisition of the Olo and Olo West marginal fields (formerly part of OML 58) from the TotalEnergies/NNPCL Joint Venture, and formally completes the transfer of settlor responsibilities under the trust, ensuring that community development work already underway continues without interruption.
Speaking at the Hand-Over ceremony in Abuja, weekend, the Chief Executive, Nigerian Upstream Petroleum Regulatory Commission (NUPRC), Oritsemeyiwa Eyesan, said the development trust remains intact, its governance structure preserved and its statutory funding obligations transitioning seamlessly to the new settlor as envisioned by the PIA.
Represented by the Executive Commissioner, for Health, Safety, Environment, and Community (HSEC), John Tonlagha, Eyesan explained that the Commission would continue to provide firm and consistent oversight to ensure full compliance with the PIA for the benefit of both the communities and the industry.
Also speaking, the General Manager, Community Affairs, Projects and Development, TotalEnergies, Dornu Kogam, urged Aradel Holdings to maintain the same transparent, community-centered approach throughout project completion.
TotalEnergies further confirmed that all obligations up to the date of transfer have been fully met, and no outstanding liabilities remain adding that Aradel formally assumes full responsibility going forward, with the Commission’s regulatory consent granted.

In his remarks, the Community Affairs Manager, Aradel Holdings Plc, Blessyn Okpowo, affirmed the company’s commitment to honouring all PIA obligations and continuing Total Energies’ community engagement approach.“We want to say that in line with the PIA, we will honour commitments and duties required of the settlor and we want to work very smoothly with the way TotalEnergies has worked with them,” he stated.

The Chairman, Board of Trustees, OLO host community, Wales Godwin, commended the HCDT’s delivery of 118 projects out of 160 planned.

He recognised the Commission’s role in approving the Community Development Plan (CDP) before project start, underscoring regulatory excellence.The parties noted that between 2023 and 2025, the trust has enabled the completion of more than 100 community projects, spanning water supply, electricity, road infrastructure, education, and healthcare with a further 40 projects currently ongoing.

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