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Technology

PG&E granted loan guarantee of $15 billion from DOE

PG&E believes that investing in infrastructure will help it supply the forecasted load growth, increase electric reliability and reduce costs for its consumers across California.

Canadian scientists build micro III-V solar cells with record-breaking open circuit voltage

The proposed cell is based on indium gallium phosphide (InGaP), indium gallium arsenide (InGaAs) and germanium (Ge) and has an active area of 0.25 mm2. It can be used for applications in micro-concentrator photovoltaics (CPV).

A novel approach enables comparison of hundreds of generating capacity portfolios

By using a “robust” approach to planning for new renewable and storage capacity to meet future energy demand, stakeholders can identify low-cost portfolios that can be quickly tested against various cost scenarios, said Derek Stenclik of Telos Energy.

Utilities and agencies must come together to build a more reliable, weather-resistant grid

As the heavy majority of the U.S. energy grid approaches the end of its lifecycle, the time is now for a public-private task force to develop a comprehensive strategy to harden the grid and enable technologies that maximize the benefit of targeted investment in the most vulnerable areas.

Moving energy via batteries on railways

SunTrain is hoping to ship renewable energy via battery-powered trains, charged from solar and wind, using rail networks.

Patents to add AI to power grids are surging, says IEA

New patents to integrate artificial intelligence into global grids have grown sixfold over the past few years, with China driving overall innovation momentum. The European Patent Office, co-authors of the report, called for Europe to renew its efforts.

Shift to 2 kV voltage in solar projects tipped to gain traction

Amid record-low prices for solar modules, the focus of cost reduction for utility-scale solar projects is shifting to non-module balance-of-system (BoS) expenses. A transition from 1.5 kV voltage to 2 kV in solar projects is expected to gain traction through 2030.

Survey captures wide-spread optimism for solar’s future, but respondents divided over AI

Nearly two-thirds of a survey’s respondents said they believe solar will become the dominant energy source in their country. However, the survey also captured many challenges the OEMs, technicians and solar installers face.

Flexible interconnection can generate 176% more revenue for community solar, report finds

A report by the Solar and Storage Industries Institute shows that flexible interconnection, which adjusts solar output based on grid conditions, can offer significant economic benefit to community solar developers.

String inverters best for partially shaded PV systems, says IEA-PVPS

The International Energy Agency (IEA) Photovoltaic Power Systems Programme (PVPS) has released a technical report exploring innovations and challenges in optimizing the performance of partially shaded PV systems.

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