The current California energy code (Title 24 Nonresidential) requires luminaires or lamps that are used for plant growth to have a photosynthetic photon efficacy (PPE) of at least 1.9 micromoles per joule (µmol/J) for indoor grow facilities with more than 40 kW of horticultural lighting load. Luminaires or lamps used for plant growth in greenhouses [...]
August 2023
Construction + Economy, Lighting Industry
20% Increase In Non-Residential Construction Forecasted By AIA Panel
The American Institute of Architect’s (AIA) Consensus Construction Forecast panel has projected nonresidential building spending in late 2023 and beyond and predicts that spending on buildings will increase by 20% this year. This would be the highest rate since the years leading up to the Great Recession. The panel found an extremely strong start in [...]
New DarkSky State Of The Science 2023 Report Released
Last year, I wrote about the release of the first Artificial Light At Night (ALAN): State of the Science Report 2022, available here. DarkSky (formerly the International Dark Sky Association – IDA), has now released an updated version of the report titled Artificial Light At Night: State of the Science 2023 Report. It is a [...]
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