What are upfront and lifetime costs of heat pumps in the US?
The “all electric” movement is shining new light on heat pumps. A recent survey looks at their costs in terms of replacements for heating and air conditioning systems.
Photovoltaic sanitary water heater from Belgium
Belgian heating specialist Wanit has developed a solar water heater that purportedly reduces the cost of domestic hot water by 85%. The PV water heater solution includes a main dual tank and a solar connector that links the tank with a rooftop PV system and residential battery.
Novel mounting structure for PV systems on thermoplastic polyolefin roofs
Mibet has developed a new PV mounting structure made of stainless steel and aluminum, providing a perfect match between TPO fixing supports and trapezoidal metal rooftops. The apparatus includes a rail, two clamp kits, a support kit, the TPO roof fixing support, and a TPO cover plate.
Studer reveals 3-phase inverter-charger for off-grid, on-grid rooftop applications
Studer Innotec, a Swiss power electronics specialist, has unveiled a 16 kW inverter for off-grid and on-grid applications. It features two maximum power point tracking inputs in an 8 kW plus 8 KW configuration.
Is residential solar worth it in the US?
Many homeowners invest $15,000 to $30,000 or more in solar. How does this cost compare to the status quo of paying the utility company?
Cost comparison between lithium batteries, fuel cells, reversible solid oxide cells as storage for off-grid rooftop PV
Scientists in the United Arab Emirates have looked at how off-grid rooftop PV could be combined with batteries, fuel cells or reversible solid oxide cells for energy storage. The modeling assumed a typical commercial building in Los Angeles.
Novel way to turn semi-finished thin-film solar modules into colored BIPV panels
German scientists have developed a way to cut semi-fabricates into desired shapes and then apply a conductive oxide-metal-oxide electrode with the preferred color. They can structure the elements into modules via the backend interconnection process.
APsystems reveals 3-phase microinverter for high-power PV modules
APsystems has developed a new 97%-efficient microinverter with a power output of up to 2,000 VA. It says it is particularly suitable for PV systems with high-power solar modules.
1 kg balcony solar module you can install yourself
German startup We Do Solar is gearing up to deliver its first balcony solar modules to customers in the next three weeks. pv magazine caught up with one of the founders at Intersolar Europe 2022 to learn more about the kit, which features a 1.6 kg flexible solar module people can install themselves, and three innovative business models.
Germany concludes third rooftop PV tender with average price of €0.0853/kWh
Germany’s latest solar procurement exercise resulted in final prices of €0.07 ($0.073)/kWh to €0.0891/kWh.
