Vaysunic launches hybrid photovoltaic water heater
The Chinese manufacturer says that its new V series heaters can use either PV or AC grid power. It can also be controlled and monitored via WiFi.
How to integrate residential solar-plus-storage with vehicle-to-home systems
Researchers from Australia have created a model to optimize the interaction between vehicle-to-home (V2H) systems and residential PV connected to battery storage. They claim V2H can help reduce the cost of energy by 16.7% for workplace charging and 25% for public charging.
Vaysunic releases new microinverters
Chinese manufacturer Vaysunic New Energy has developed eight versions of its VM microinverters. Their AC output power ranges from 600 W to 1,000 W.
Mibet launches floating PV array system for offshore applications
Mibet, a Chinese mounting system supplier, says its new G5 product is capable of withstanding wind gusts of more than 60 meters per second. It uses high density polyethylene floats and aluminum alloy support legs.
Passive solar module cooling tech based on PCM, heat sink fins, water
A global research group has designed a novel PV module cooling system based on multiple cooling sources. The proposed system was able to reduce a PV system temperature by up to 16.7 C and increase power output by over 9%.
Israeli regulator grants grid access to 2.5 GW of renewables
Israel’s Electricity Authority has approved a 2.5 GW capacity extension plan for renewable energy. The initiative will enable the connection of plants in the southern and northern parts of the country.
Fraunhofer ISE launches app to maximize consumption of renewables
Germany’s Fraunhofer Institute for Solar Energy Systems (ISE) has launched a smartphone app to help consumers use more electricity at times of high renewable energy availability.
Batteries in hybrid hydro-PV systems could increase profitability by 2%
Researchers from Norway have discovered that adding batteries to projects that combine hydropower and floating PV could increase annual profits by as much as 2%, due to revenues from ancillary services and capacity markets.
Cambridge scientists recommend careful cost assessment before switching to heat pumps
The researchers said that an increment in heating demand due to the use of heat pumps can be accurately predicted based on heating hours, local climate, heat loss and thermal mass. They also recommended including heat loss and thermal mass parameters in buildings’ energy performance certificates, so households can make more informed decisions before changing their system.
Novel mathematical model to assess wind stability of solar trackers
Researchers from Spain have developed a method to estimate the critical speed a tracker can withstand. They found “good agreement” when comparing the model to experimental results.
