#renewable-energy

African nations are increasingly adopting renewable energy sources like solar and wind to expand electricity access and combat climate change, leapfrogging traditional fossil fuel infrastructure.

The article highlights William Adams, a 19th-century British bureaucrat in Bombay who envisioned a solar-powered future by proposing the use of giant reflectors to generate heat for industrial purposes. His innovative ideas were ultimately dismissed and abandoned due to colonial conservatism and lack of support from the British establishment.

The opinion piece argues that renewable energy mandates and subsidies have led to higher electricity costs, unreliable power grids, and unintended environmental consequences, labeling such policies as a costly boondoggle.

Renewable energy projects, particularly solar and battery storage, are increasingly surpassing traditional fossil fuel and hydroelectric developments across Africa, driven by falling costs and faster deployment timelines.

Plug-in solar panels, which let renters and homeowners easily install solar without rewiring, are gaining popularity in the U.S. These systems simply plug into a standard wall outlet, offering a lower-cost entry into solar energy for people who can't install traditional rooftop panels.

For the first year on record, wind and solar energy generated more electricity than coal in the United States.

Amid rising energy costs linked to the Iran conflict, Germany is increasingly turning to heat pumps as a long-term solution to reduce dependence on fossil fuels and stabilize household heating expenses.

Grid-following inverters synchronize with an existing grid voltage and inject power, relying on a stable external grid. Grid-forming inverters act as voltage sources, establishing their own frequency and voltage to create a stable grid, enabling higher renewable energy penetration in weak grids or island systems.

Small, plug-in solar panels for balconies are gaining popularity in the US as a way for renters and apartment dwellers to offset rising electricity costs, despite some regulatory hurdles and lower efficiency compared to rooftop systems.

Researchers have developed highly transparent solar cells that can be mounted on windows, allowing them to generate electricity without blocking the view. The technology could turn building windows into power-generating surfaces while maintaining their transparency and visual clarity.

A large-scale solar poverty alleviation program in China provided solar photovoltaic systems to over 4 million rural households. The initiative significantly raised household incomes while also reducing air pollution by displacing coal-fired power generation, demonstrating a successful synergy between poverty reduction and environmental goals.

A single large nuclear reactor generates roughly the same amount of electricity as around 3.5 million solar panels. The comparison highlights the vast difference in energy density and land use between nuclear and solar power, with nuclear producing consistent baseload power while solar output varies by weather and time of day.

China has installed the world's largest single-unit floating wind turbine in deep water. The turbine, with a capacity of 20 megawatts, can generate enough electricity to power approximately 4,200 homes, marking a significant milestone in offshore wind technology.

The Mesquite Complex in Arizona is a large-scale solar energy project spanning thousands of acres, generating enough electricity for hundreds of thousands of homes. It combines solar panels with battery storage to provide power even after sunset.

The BBC program explores wave-powered boats, showcasing how innovative designs harness ocean wave energy for propulsion, potentially offering a sustainable and efficient alternative to traditional marine engines.

A new report shows that solar, wind, and battery storage are reducing electricity bills for Australian homes and businesses, even amid a global fuel crisis that has driven up energy costs elsewhere.

A new IRENA report finds that 24/7 renewable energy systems, combining solar, wind, battery storage and other technologies, are now cheaper than fossil fuel alternatives for firm power supply. The cost of firm renewables has dropped significantly, making them the most competitive option for reliable electricity generation globally.

New data from ERCOT shows that solar electricity generation in Texas is on track to surpass coal-fired power for the first time this year, driven by rapid solar capacity additions and declining costs. The milestone highlights a major shift in the state's energy mix, with solar providing a growing share of the grid's resilience even as coal's contribution continues to decline.

The video argues that the global energy transition to renewable sources like solar and wind is accelerating more rapidly than commonly perceived, driven by falling costs and technological improvements, reshaping electricity generation and transportation.

Rising energy costs are fueling a surge in residential solar panel installations as homeowners seek to reduce electricity bills and gain energy independence. The trend is accelerating due to improved solar technology, falling equipment prices, and supportive government incentives.

Residents in St. Clair County, Michigan, are pushing back against large-scale solar farm developments, citing concerns about potential health effects, environmental impacts, and property values. The backlash reflects a broader national tension between the push for renewable energy and local opposition rooted in health and land-use worries.

Advancements in renewable energy technologies and storage are enabling 24/7 clean power, challenging the notion that fossil fuels are essential for grid reliability. The shift toward round-the-clock renewables is becoming cost-effective, reducing dependence on coal and natural gas.

The author details the design and daily power output of their small-scale off-grid photovoltaic system. The setup consists of four 120-watt solar panels, a charge controller, and a battery bank, generating roughly 1200 watt-hours per day on average. The system powers all lighting, computing, and other household DC loads.

New geothermal technology taps into superhot rock deep underground, which could provide clean, abundant energy far more powerful than traditional geothermal. The approach uses advanced drilling to access extreme temperatures, potentially unlocking a vast, always-available energy source that could complement or even replace fossil fuels and renewables like solar and wind.

In 2025, solar power grew 19 times faster than what the International Energy Agency had forecast in 2015, making it the fastest growing electricity source in human history.

A study by Fraunhofer ISE found that integrating solar cells onto electric vehicles could significantly reduce the strain on Europe's power grid. By 2030, vehicle-integrated photovoltaics (VIPV) could feed up to 34 terawatt-hours of electricity annually into the grid, helping to balance energy demand and supply, especially during peak daytime hours.

The German government has approved auctions for new gas power plants designed to provide backup capacity for wind and solar energy. The move aims to ensure grid stability as the country transitions to a renewable-heavy power system, with the plants expected to later be converted to run on green hydrogen.

The article discusses a net-zero infrastructure approach called "solar-scheduled tunnel egress," which uses real-time solar energy availability to optimize when electric vehicles exit tunnels, reducing peak grid demand and integrating renewable energy into transportation infrastructure.

A free solar panel loss estimator has been built by an individual, allowing users to assess potential energy loss from their solar panel systems without cost.

China added about 600 terawatt-hours of new electricity generation capacity in 2023, roughly the size of Germany’s entire power grid. The expansion was largely driven by solar and wind energy, while coal and gas additions also continued. China now accounts for around one-third of global electricity generation.