Renewable Energies & Storage

Introduction Angola's energy sector reflects both its resource wealth and developmental hurdles. Historically tied to oil, which constitutes over 90% of exports, the country is diversifying amid global calls for decarbonization . Recent reforms, including the 2015 General Electricity Law, have opened doors for independent power producers and renewables . Yet, infrastructure limitations hinder progress: high transmission losses (20-30%) and...

Zinc-air batteries have long tantalized scientists with their promise of high energy density using abundant materials like zinc and atmospheric oxygen. However, challenges such as inefficient rechargeability and catalyst degradation have confined them to niche uses. Enter Monash University's 2025 breakthrough: a cobalt-iron catalyst that propels these batteries toward commercial viability. Announced in September 2025, this development integrates atomic-level...

Electric vehicles have transformed from niche curiosities to mainstream solutions since Tesla's early innovations over a decade ago. By 2025, with projections for millions more on roads, their environmental...

The Promises of Biofuels: Climate Benefits versus Environmental Costs Biofuels like corn ethanol and soy biodiesel have been promoted for their potential to reduce carbon emissions compared to traditional fossil...

Sodium batteries: promise of abundance or new green smokescreen? Sodium batteries are making headlines. In 2024, the global demand for batteries is exploding, driven by the electrification of transport and...

The Advantages of Sodium-Ion Batteries Over Lithium Batteries Sodium-ion batteries are increasingly being considered as an alternative to lithium batteries due to several significant advantages. One of the main assets...

Innovations in Energy Storage: A Revolution for Renewable Networks Renewable electric networks, based on sources such as solar and wind, have a natural intermittency. To overcome this challenge, energy storage...

Renewable Energy 2025: Technological Breakthrough and Rapid Growth In 2023, global investments in clean energy crossed the historic threshold of 1,700 billion dollars, surpassing for the first time those in...

Biogas: An Industrial Turning Point in Slovakia In 2024, Central Europe is accelerating the energy transition: Slovakia now hosts its very first biogas valorization unit, EnviThan, signed by EnviTec Biogas...

Greenvolt Group Increases Sales of Renewable Assets: Intriguing Figures In early June 2025, Greenvolt Group announced the sale of a portfolio of 231 MW of wind and solar projects in...

WindWings®: a leap forward for offshore wind propulsion The WindWings® from bar technologies installed on the bulk carrier Pyxis Ocean represent a major breakthrough for wind-assisted propulsion. These rigid 37.5-meter...