Energy conservation remains a key priority for retailers as several factors, including new power plant regulations, threaten to increase volatility in the electricity market. Along with being a significant cost driver, energy management advances environmental goals. Indeed, it is typically the most cost-effective activity a retailer can undertake to become more sustainable, according to Marcus Boerkei, general manager of Siemens Retail & Commercial Systems, who spoke with Chain Store Age about how retailers can reduce their energy use.