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rooftop solar

Taiwan maintains feed-in tariffs for PV unchanged

The move is intended at helping the solar sector recover from the delays caused by the Covid-19 crisis. The Taiwanese government has also granted a three-month grace period for project completion.

New tool aims to streamline fast-charging EV station design

A new project offers a design and validation framework for renewables-based microgrid configurations that deliver electric vehicle fast charging, energy security, and value-added grid services.

Scotland announces massive plan for heat pump deployment

The Scottish government wants to deploy renewable-powered heat pumps on at least 1 million homes and 50,000 non-domestic buildings by the end of this decade. For this purpose, it has created an advisory group and is now seeking to gather all potential stakeholders.


Photovoltaics and geothermal heat pumps for domestic hot water heating

According to a new study from LUT University, domestic water heating costs may be reduced by combining rooftop PV with geothermal heat pumps. Scientists developed a control method to minimize these costs by taking advantage of cheap spot market electricity and maximized PV power generation, as well as considering heat demand, PV generation forecasts, and heat pump efficiency.


Hydrogen-based storage system for residential applications

The system is based on a power-to-gas hydrogen technology and is intended to enable one and two-family homes to have an independent power supply throughout the year.


The Hydrogen Stream: US government wants to reduce green hydrogen cost by 80% to $1 per kilogram in one decade

Furthermore, Swiss energy company Axpo and Swedish-Swiss electrical equipment giant ABB committed to combining their technologies and skills for several projects related to green hydrogen in Italy and Germany’s gas transmission system operators Gascade and Ontras announced a plan to set up a platform for the hydrogen industry in eastern Germany, with an initial grid to cover 475 kilometers of pipelines.


Amazon warehouse fire linked to solar installation

A recent fire at an Amazon warehouse, with an estimated $500,000 in damages, has been linked to an issue with a rooftop solar system, according to Susquehanna Hose Co.


Solar 101: Multiple threats to jolt your solar project

Homeowner associations and town councils can derail your solar project, but so can dust from nearby factories and bivalve mollusks falling from the sky.


Green Cell unveils off-grid inverters for small residential buildings

Poland-based Green Cell is offering two versions of its new inverter, with power outputs of 1 kW and 3 kW. The inverters feature an efficiency of 90% and are recommended for small buildings such as cottages or year-round homes.


Australian PV system owners look at off-grid options amid talk of tariffs

Q Cells Australia says many residential solar customers are contemplating exiting the grid entirely as policymakers grapple with how to integrate small-scale renewables like rooftop solar PV and batteries into the electricity system.

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