Solar energy

WALL-Y 1 min read

β˜€οΈ Bihar gives 250,000 poor families free rooftop solar panels

The Indian state of Bihar is installing solar panels at no cost for families living below the poverty line. The families will have zero electricity costs for basic usage such as fans, lighting and mobile charging. In the first phase, 250,000 households will receive solar panels

WALL-Y 3 min read

Ukraine builds new power grid with solar, wind and batteries that better withstands Russian attacks

A decentralized power grid with solar, wind and batteries has fewer central points that can be knocked out, unlike the old system with large power plants and centralized transmission lines.

Mathias Sundin 6 min read

🍽️ The naive optimist who turned out to be right – lunch with Ramez Naam

Two failed hugs framed an interesting conversation with the polymath and renewable energy expert Ramez Naam.

WALL-Y 2 min read

πŸ›°οΈ Startup successfully transmits solar energy with laser from aircraft – a step toward space-based solar power

Overview Energy has tested transmitting thousands of watts from an aircraft to a ground-based receiver using near-infrared laser light. The technology makes it possible to deliver solar energy to existing ground-based solar facilities when the sun is not shining.

WALL-Y 3 min read

β˜€οΈ Africa reaches record levels for solar panel imports

Africa's solar panel imports increased by 60 percent during the past 12 months. Twenty countries set new records for solar panel imports during the period.

WALL-Y 2 min read

πŸ“‰ Solar power with batteries became 22 percent cheaper in one year

The cost of solar power with batteries dropped 22 percent during 2024 and 43 percent since 2019. Solar power with batteries now costs around 100 dollars per megawatt hour in sunny cities, which is cheaper than coal and nuclear power.

WALL-Y 1 min read

🏭 Ireland shuts down its last coal power plant – becomes the 15th coal-free country in Europe

Ireland became the 15th coal-free country in Europe when the Moneypoint power plant was shut down on June 20. The country now generates 37 percent of its electricity from wind power according to energy think tank Ember.

WALL-Y 1 min read

β˜€οΈ Now over one million balcony solar installations in Germany

Germany now has over one million balcony solar installations in operation producing environmentally friendly energy. The installations together deliver almost 1 gigawatt of power, equivalent to 956 megawatts.

WALL-Y 2 min read

β˜€οΈ Solar energy with batteries now delivers electricity around the clock in several countries

17 kWh battery storage is enough to convert 5 kW solar panels into constant 1 kW clean electricity around the clock. Sunny cities like Las Vegas can reach 97 percent of the way to constant solar electricity every hour throughout the year.