Articles written by Tristan Rayner

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Solar cars: Lightyears away? The integration of solar cells and vehicles looks like a sure bet for the future of cars, buses, and trucks. But for startups that have bet on making solar a feature of their electric vehicles (EVs), times are tough, reports pv magazine’s Tristan Rayner.
Tristan Rayner
Mar 09, 2023
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Applications & Installations
Weekend Read: A long time coming Long-duration energy storage (LDES) is essential for decarbonizing the grid but gigawatt-hour scale systems continue to be tricky for companies with big ideas. Here are some of the latest innovations across a flourishing array of new – and old – ideas.
Tristan Rayner
Feb 18, 2023
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A long time coming Long-duration energy storage (LDES) is essential for decarbonizing the grid, but gigawatt-hour scale systems continue to be tricky for companies with big ideas. Tristan Rayner checks on the latest innovations across a flourishing array of new and old ideas.
Tristan Rayner
Feb 08, 2023
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Shining a light on supply chains The drivers for PV supply-chain traceability could rub against a solar industry enjoying a true seller’s market, with demand outstripping supply. However, supply-chain auditing services are gaining support in increasingly regulated environments. pv magazine’s Tristan Rayner has spoken to a number of auditing experts about how they shine a light on often-opaque operations.
Tristan Rayner
Jan 10, 2023
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Research & Development
2022 review in trends: Inverters It was a good year for the inverter market. Strong demand was only stifled by supply chain limits, but new inverters are less innovative and show a slower evolution in improvements. Nevertheless, more versatile options are emerging in response to the energy crisis.
Tristan Rayner
Dec 30, 2022
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Certify and verify for sustainability Environmental credentials are becoming important for PV modules, putting the spotlight on the ways in which sustainability claims can be verified, qualified and trusted. Solar can’t continue to rely on zero emissions during generation as its only green tick, but the certification and labeling of PV modules is improving, as is the outlook for higher standards, reports Tristan Rayner.
Tristan Rayner
Dec 08, 2022
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Opportunity in crisis The developed world is facing scenarios of zero economic growth or even recessions, as inflation, energy costs, interest-rate rises, and tougher lending criteria makes life tough for business. But money is flowing into the energy transition by scaling and commercializing existing technologies, reports pv magazine’s Tristan Rayner.
Tristan Rayner
Nov 09, 2022
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Digital finance for direct impact As finance goes digital, apps and services are helping investors to make easier green investments: solar projects with real carbon savings, cleaner investments, and even direct investment in startups. But can people really make better green investments just from their phone? Tristan Rayner speaks to three different companies looking to make a difference.
Tristan Rayner
Sep 06, 2022
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Markets & Policy
Solid-state batteries with bi-layer cell design Ion Storage System’s $30 million capital raising will go toward scaling up its solid-state battery cell production facility in the US state of Maryland, with aims to produce 10 MWh per year by the end of 2023, for a range of applications.
Tristan Rayner
Jul 11, 2022
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