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Grids & Integration

Finland’s gold rush: navigating the solar landscape

In the land of a thousand lakes and long, harsh winters, a surprising gold rush is under way – not for precious metals but for sunlight. Finland, often associated with its stunning natural landscapes, has become an unlikely contender in the global renewable energy market, particularly in the realm of solar power.

New model to predict defrost cycles, behavior of air-sourced heat pumps in cold weather

UK-based researchers have developed a novel method to estimate the amount of defrost cycles a heat pump will experience in the winter and how much energy it would require to implement the cycles. The results of their simulation showed a strong relationship between the number of defrost cycles and the ambient temperature.

Hybridizing anaerobic digestion with photovoltaic-thermal energy

Scientists in Spain have proposed to combine anaerobic digestion plants with photovoltaic-thermal panels and have found that this combination may achieve an LCOE of $0.045/kWh across several locations in Europe and North America.

Performance parameters for residential heat pumps linked to PV, storage

German researchers measured a PV-powered heat pump with battery storage in a single-family home in Freiburg, Germany, for a period of a year. It features smart grid-ready tech that adjusts operations based on the grid.


Reconductor existing transmission to ‘unlock’ renewables, says UC Berkeley study

Large-scale reconductoring of existing transmission lines could cost-effectively double transmission capacity within existing rights-of-way, a study says. Renewable energy projects near reconductored transmission lines could more easily interconnect.


Weiheng Ecactus releases 233 kWh all-in-one battery system

Weiheng Ecactus has unveiled its new Tianwu battery system, with 233 kWh of capacity and 100 kW of output, giving users the flexibility to connect up to 10 units in parallel.

High-resolution model to identify hourly usage patterns of residential heat pumps

Developed by scientists from the UK and Spain, the new model uses high spatiotemporal resolution weather data and data from heat pump field trials. It finds “significant regional differences” compared to a British nation-wide estimation.

Israel to build energy communities in villages destroyed by Hamas

Israel’s Ministry of Energy and Infrastructure says it is currently developing a multi-year program for communities attacked by Hamas on Oct. 7. It aims to deploy 5 GW of energy in the destroyed areas, once residents return.


Using air conditioning to cool down PV modules, dry dishes

An international research team has investigated how air conditioning may be used to reduce the operating temperature of PV panels. The researchers not only found that the proposed approach is technically viable, but they also tested the use of excess heat from the panels for drying dishes.

PV-driven microgrid for hydrogen, cooling

The University of French Polynesia has built a PV-driven hydrogen generation unit that combines a hydrogen chain with a thermochemical unit. The latter is used to recover waste heat from the electrolyzer and fuel cell to enable deferred cooling production for air conditioning.

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