Search Results for: renewables

ESS: redox flow battery breakthrough?

ESS battery technical challenges

ESS was established in 2011, incorporated in Oregon, and has c150 employees. The company went public in October-2021, via SPAC, raising $500M in new funds, valued at $1.1bn, and listing…

Energy return on energy invested?

Energy return on energy invested

Energy return on energy invested is a horrible metric: calculated differently in almost every study on the topic, and fairly difficult to delimit conceptually. Despite this, we have made an…

First Solar: thin film solar breakthrough?

First Solar technology review

First Solar is a solar module manufacturer, listed in the US, founded in 1999, employing 6,400 people. It has capacity to manufacture 8GW of solar panels per year, using CdTe…

Nexwafe: PV silicon breakthrough?

Nexwafe technology review

Nexwafe technology review. Nexwafe is developing a next-generation PV silicon technology called the EpiWafer process, growing standalone silicon wafers onto mono-crystalline seed wafers, with no need to slice ingots and…

Solar trackers: efficiency improvements?

solar trackers efficiency improvements

This data-file quantifies solar trackers’ efficiency improvements. Depending on location, 40-90% of new utility-scale solar plants are being fitted with ‘trackers’ in the early-2020s; constantly re-positioning panels to face the…

Energy costs of energy transition?

Energy costs of energy transition

Reaching net zero requires building wind, solar, grid infrastructure, energy storage, electric vehicles and capturing CO2. Energy is needed to build all of these things. The total energy costs of…

MOSFETs: energy use and power loss calculator?

MOSFETs are fast-acting digital switches, used to transform electricity, across new energies and digital devices. MOSFET power losses are built up from first principles in this data-file, averaging 2% per…

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