Renewable Energy News 27 June 2025

PEM vs Alkaline vs Solid Oxide Electrolyzers: The 2025 Hydrogen Technology Showdown

Alkaline electrolyzers use a liquid potassium hydroxide (KOH) electrolyte, operate at about 60–80 °C, and have decades of industrial use in chlor-alkali and fertilizer plants. PEM electrolyzers use a solid polymer membrane and typically operate at 50–80 °C, delivering very

14 August 2025

Clean Energy·Renewable Energy

Solar Tech Showdown 2025: N-Type TOPCon vs HJT vs Perovskite Tandem – Which Will Power the Future?

As of mid-2025, commercial N-type TOPCon cells reach about 23–24% efficiency, with best mass-produced TOPCon modules at 23.8% and JinkoSolar reporting 26.4% cell efficiency in tests. Heterojunction (HJT) solar cells regularly reach 25%+ efficiency in production, with Longi reporting a

5 August 2025

Comparisons·Future Trends·Renewable Energy·Technology

Your Next Rooftop Will Be a Power Plant. Rooftop Energy Technologies: Present and Future Innovations.

Solar PV costs have fallen about 90% over the last decade. Modern home solar panels often exceed 20% efficiency, with typical residential systems of 5–10 kW. In the United States, over 4 million homes had solar panels by early 2024.

29 July 2025

Innovation·Renewable Energy

This New Solar Panel Tech Works Even at Night

Thermoradiative energy generation, nicknamed night-time solar, produces electricity by emitting infrared radiation to the cold night sky when the device is warmer than its surroundings. Unlike conventional solar cells that absorb sunlight, thermoradiative devices emit photons to space, effectively running

29 July 2025

Innovation·Renewable Energy·Solar Power

Renewable Revolution 2025: Game-Changing Innovations in Solar, Wind, Geothermal, Bioenergy & Hydropower

Perovskite-silicon tandem solar cells achieved about 29% efficiency on commercial-size cells, exceeding traditional silicon panels. Bifacial solar panels boost energy yields by up to 30% in reflective environments such as snow or sand. Floating solar farms can raise output by

10 July 2025

Green Technology·Renewable Energy·Solar Power·Sustainability

1MW vs 100kW Solar Power Plants – Cost, ROI & Global Insights (India in Focus)

100 kW solar plants typically use about 250 panels of ~400 W each, cover roughly 600–1,000 m², and generate about 150,000–175,000 kWh per year, enough to serve 15–30 homes. 1 MW solar farms deploy about 2,500 panels of ~400 W

6 July 2025

Renewable Energy·Solar Power

Smart Grid and Energy Management Systems – Latest Developments (June–July 2025)

Honeywell partnered with Verizon to integrate 5G connectivity into smart meters, achieving data speeds up to 10 Gbps for near real-time consumption data and improved demand forecasting. Eaton unveiled an AI-based wildfire prevention system called HiZ Protect that detects high-impedance

4 July 2025

Renewable Energy·Technology

Global Renewable Energy Developments (May–June 2025)

Global energy investment is projected to reach $3.3 trillion in 2025, with about $2.2 trillion directed to clean energy technologies. Solar is expected to attract $450 billion in 2025, making it the single biggest area of energy investment. China added

30 June 2025

Global Trends·Renewable Energy·Sustainability

Beaming the Watts Down: NASA × Ascent Solar’s Thin-Film Array Sets the Stage for Space-to-Earth Power Transmission

The space-based solar power (SBSP) concept was proposed in 1968 by Peter Glaser to place satellites in orbit and beam power to Earth. In 2023 Caltech’s Space Solar Power Demonstrator (SSPD-1) conducted three beaming tests in May, June, and July

27 June 2025

Renewable Energy·Solar Power·Space·Space Technology

Renewable Energy News 27 June 2025 - 14 August 2025