10. Lockheed Martin
Lockheed Martin is a global security company headquartered in Bethesda Maryland. Annually, it uses 431,108,840 kWh of green energy, which makes up 24 percent of its total power usage. Its main conservation focus currently lies in its buildings and infrastructure. It’s trying to build greener and clean up its IT activities. It also won the Environmental Protection Agency’s Green Power Award for 2012.
Starbucks recognizes that its energy use is the single biggest impact the company has on the climate. It’s already a large consumer of renewable energy though, using 582,520,523 kWh annually, making up 67 percent of its total energy consumption. Starbucks wants to power 100 percent of its stores using Renewable Energy Credits by 2015. It is also the winner of the Green Power Leadership Award for 2005, 2006, and 2007.
While it’s not the largest consumer of green energy, Apple is one of the most efficient. As it is, it utilizes 626,315,500 kWh of green power annually. Also, it aims to have a neutral carbon footprint very soon. It’s recently taken steps such as the purchase of several solar farms to make its data centers entirely sustainable. It’s also working to make all of its retail stores entirely sustainable, and is coming closer to that reality daily.
If there was a “most improved” special mention on this list, it would go to Staples. From 2001 to 2011, Staples reduced its carbon footprint by 66 percent. Staples has also received numerous awards for its usage of green energy—the most recent of which was the Sustained Excellence in Green Power Award in 2013. Staples utilizes 635,951,792 kWh of green energy, which is 106 percent of its energy consumption. This extra percentage comes from the fact that Staples has 36 on-site solar installations for some of its stores.
While it may be surprising to some, Wal-Mart is a leader in corporate sustainability. Winner of the 2009 Green Power Leadership Award, Wal-Mart utilizes 650,716,703 kWh of green energy annually. With more than 10,000 stores worldwide, however, this usage only amounts to 3 percent of the company’s total energy consumption.
Google is one of the biggest proponents for green energy in the world, having been a carbon neutral company since 2007. It utilizes 737,364,727 kWh of green energy annually and its data centers use roughly half the energy than a typical data center. Where it really shines, though, is in its driving of renewable energy innovation, committing vast amounts time and money to finding better sources of energy.
4. Whole Foods
Not surprisingly, a grocery store that is committed to healthier, locally-sourced food is also heavily invested in sustainable energy. Winner of countless awards for its efforts, Whole Foods uses 800,257,623 kWh of green energy annually, accounting for 107 percent of its total energy consumption. The company has a Green Mission Leadership Team, which helms its sustainable business practice research and implementation.
Microsoft is one of the world’s largest purchasers or green energy, utilizing 1,363,216,892 kWh annually. That, along with several other initiatives in the company, has allowed it to meet its target of reducing its carbon footprint 30 percent, using 2007 as a baseline. Ultimately, Microsoft Wants to achieve carbon neutrality and is going about making it happen by making its buildings more efficient.
The amount of awards Kohl’s has won for its sustainable business practices is impressive. Even more impressive is that the company utilizes 1,536,529,000 kWh of green energy annually, accounting for 105 percent of its total energy consumption. The company has three specific strategies for keeping its business in the green: focusing on sustainable operations, engaging stakeholders, and keeping its supply chain sustainable.
Intel utilizes more than double the green energy that Kohl’s does, at a whopping 3,102,050,000 kWh annually. It uses energy from a number of different sources, such as solar, wind, hydro, and biomass. It even operates 18 on site solar panels with a capacity of 7,000 kW. "Our renewable purchase is just one part of a multi-faceted approach to protect the environment, and one that we hope spurs additional development and demand for renewable energy," Intel’s Director of Global Utilities and Infrastructure Marty Sedler said.