The financial sector comprises a wide range of organizations involved in money management. These organizations include banks, credit card companies, insurance companies, corporations consumer credit, stock brokerage, investment funds and some companies sponsored by the government. In 2004, industry financial services accounted for 20% of the market capitalization of the S & P 500 to the USA.

In a large energy-consuming industry energy consumed per unit of product explains typically double-digits in the percentage of the cost of manufacture. For example, in India, energy as a percentage of cost of production is 15 percent in textiles, 25 per cent in pulp and paper, and 40 percent in glass, ceramics and cement industries. Any reduction in specific energy consumption will reduce overall costs significantly, thereby improving profit margins overall. However, investment in energy efficiency are often relegated to the background, citing among others the reason for the non-availability of investment fund investments. The reduction of energy consumption per unit of product can improve the financial performance of different companies and maximize shareholders' 'return on investment (ROI). Energy consumption can be reduced by the reuse of the loss by the rapetissement production cycles or trapping exhaust fumes to facilitate the restoration of heat. Cogeneration is another option to reduce costs-energy and environmental pollution.

The investment opportunities for energy efficiency exist at each stage of a company - the trigger new phase project as well as any phase of modernization or expansion. The improvements in energy efficiency play an essential role in increasing operating margins. Conserving energy is an activity-oriented investment, competing with other opportunities. The decisions in the best option for investment and project financing arrangement and requires the evaluation of available options. However, directors of service are often ignorant of the benefits that can increase a project of saving energy.
The new funding arrangements are emerging and new elements are incorporated into the overall evaluation process.