Navien unveils 4-17 kW air-source heat pump for residential applications
The South Korean heating specialist said its new heat pump system can achieve a seasonal coefficient of performance of up to 4.79 and flow temperatures of up to 75 C.
The evolution of solar mounting systems for modern installations
Will White, solar application specialist at Fluke Corporation, focuses on the important qualities of today’s mounting and racking systems in solar installations.
TWL unveils PVT panels for ground-source heat pumps
The German specialist for solar thermal energy and heat storage said its new PVT collectors rely on double-glass and monocrystalline TOPCon cells. The product has a power conversion efficiency of 22.5% and a maximal thermal ouput of 1,100 W.
Key takeaways from France’s BePositive trade show
Installers at France’s recent 2025 BePositive trade show embraced storage to boost self-consumption, as new PV tariffs and regulatory shifts are stirring concern among smaller companies.
Hungary adds 1.4 GW of solar in 2024
Utility-scale solar accounted for around half of new solar in Hungary last year, but with no new connection permits for large-scale projects over the last two years, this market segment is predicted to slow in the coming years.
European markets hit by negative electricity prices
AleaSoft Energy Forecasting’s latest analysis finds most major European electricity markets experienced negative electricity prices last week, with Portugal and Spain recording their lowest hourly figures in history on March 30.
Mitsubishi Electric debuts new residential air-source heat pumps
The manufacturer has expanded its Ecodan R290 heat pump series with three new products. The systems use propane (R290) as the refrigerant and can purportedly deliver flow temperatures of up to 75 C.
India installs 18.5 GW of utility-scale solar in 2024
India added 18.5 GW of utility-scale solar and 4.59 GW of rooftop PV in 2024. Waaree Energies led the market with a 14.1% share of solar module shipments.
PV curtailment jumps 97% in Germany in 2024
Solar curtailment increased by 97% in Germany last year, driven by rapid growth in PV deployment and unusually high solar radiation in the summer, according to the Federal Network Agency (Bundesnetzagentur).
The impact of different cloud types on solar forecasting
A team of researchers have analyzed the impact of different cloud types on solar irradiance predictions. They found prediction models that factor in the physics of how clouds interact with sunlight are more accurate than models that do not consider cloud types.
