...Justrite signs $11 million deal A growing number of supermarket chains are turning to solar energy systems to fix their power challenges. Faced with exorbitant diesel costs and frequent grid collapses, retailers are investing in solar power systems to reduce operational expenses, ensure product freshness, and improve customer experience. For supermarkets, which rely heavily on refrigeration and lighting, unstable power translates to massive diesel expenditures. Read also:  ...Justrite signs $11 million deal A growing number of supermarket chains are turning to solar energy systems to fix their power challenges. Faced with exorbitant diesel costs and frequent grid collapses, retailers are investing in solar power systems to reduce operational expenses, ensure product freshness, and improve customer experience. For supermarkets, which rely heavily on refrigeration and lighting, unstable power translates to massive diesel expenditures. Read also: