Regulations & Requirements


Solar's Environmental Programs group is ready to provide guidance to our customers on their permitting needs. Our dedicated staff keeps abreast of both domestic and international laws and regulations for both new and existing equipment.  We can provide guidance on construction and/or operating permits and such issues as New Source Review (PSD and non-attainment area permitting) and BACT/LAER determinations.

U.S. Requirements: Attainment Areas

Prevention of Significaticant Deterioration (PSD) permitting requirement flowchart.

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U.S. Requirements: Non-Attainment Areas

Non-Attainment Area (NA) permitting requirements: trigger thresholds and flowchart.

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Non-U.S. NOx Requirements

For Information on Non-U.S. NOx emission requirements including Europe, Japan, Ex-Im Bank and World Bank please email us.

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