Sunrun’s residential VPP injects 1.8 GWh into grid over 3-month period
In the hot summer months, thousands of residents with solar-plus-battery systems networked together to reduce peak energy costs and provide grid stability for ISO-New England’s customers.
PV water-draining device with new anti-clogging design
Portuguese startup Solarud has unveiled the next generation of its water-draining device for PV panels with low, sloping inclines. The new design avoids clogs caused by sand and dust, in nano and customized versions that fit installations and modules of different sizes.
AE Solar unveils n-type TOPCon solar modules with 22.2% efficiency
Germany-based AE Solar said its new panels have a temperature coefficient of -0.35% per degree Celsius and come with a 30-year power output guarantee for 87.4% of the initial yield.
New off-grid solar generator
US manufacturer Jackery has unveiled Solar Generator 1000 power kits, which are designed for off-grid operations and emergency backup power.
Ventilated facade with integrated solar panels
Germany’s Sto says its novel solar facade technology for residential buildings allows the alignment of modules in vertical or horizontal arrangements.
Livguard unveils wall-mountable inverters for residential solar
Indian manufacturer Livguard Solar has developed single-phase, grid-interactive inverters with rated power outputs of 3 kW and 5 kW, and efficiencies of 97.7% and 98%, respectively.
Pakistani regulator to raise payments for net-metered households
Pakistan’s National Electric Power Regulatory Authority (Nepra) has concluded a public consultation on a proposed amendment to 2015 regulations for distributed generation and net metering. It will raise the price paid by net-metered households to inject excess electricity into the grid from PKR 19.32 ($0.089)/kWh to PKR 9/kWh.
Off-grid solar continues to expand
The off-grid solar sector has shown resilience in the face of pandemic-related challenges, with 70 million people gaining access to electricity from early 2020 to the end of 2021. However, the ability to pay for solar energy kits has taken a hit.
New refrigerant circuit for safer, more efficient heat pumps
Scientists at Germany’s Fraunhofer Institute ISE and a consortium of heat pump manufacturers have achieved a new efficiency record in their development of a low-refrigerant propane refrigeration circuit. The device has a heating capacity of 12.8 kW with only 124 grams of propane, amounting to a refrigerant charge of approximately 10g/kW, compared to 60g/kW for commercially available devices.
EU solar ‘big buyers’ initiative set to launch in November
The European Commission intends to help municipalities and public entities to buy rooftop PV systems. Its DG Growth initiative aims to make the public procurement of rooftop solar systems easier.
