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There are immediate costs in introducing a FIT law, and it is important to consider ways of helping to finance these, such as through a cost sharing mechanism for all electricity consumers or a fund.
But it is also important at the same time to remember the overall financial benefits of a FIT law. For example, in 2006 the financial benefits of Germany's FIT law were estimated to be €9.3 billion (taking into account avoided fuel imports, avoided negative external effects and the "merit-order effect") compared with an increased cost to consumers of €3.3 billion.
Most FIT countries have implemented a cost sharing mechanism by equally distributing the additional cost onto the electricity bills of all end-users. Usually the local grid operator is obliged to purchase and transmit the generated "green" electricity and pay the producer the fixed tariff. The grid operator will then pass the related costs on to the next entity along the line until it "reaches" the final electricity consumer, as shown in the diagram.

The major political advantage of this financing method is that it is separate from the national budget. Moreover, conflicts with state-aid provisions in regional electricity market such as the EU can be avoided.
An alternative to a cost sharing mechanism is to set up a fund. This is particularly important where additional costs to the end consumer are deemed politically or morally unacceptable.
The legislator should make sure that sufficient money is available and that the fund's income sources are reliable and sustainable. The fund's income can come, for example, from taxing conventional energies, a share that all electricity consumers have to pay as a proportion of their electricity bill (e.g. 2%), or other sources that might be specific for your region or country.
For example: the Green Energy Fund enacted in Maharashtra, India, in 2004; and the Energy Fund announced in Sri Lanka in 2007.
Resolution No. Pawan 2004/P. No. 1274/Urja - 7, point 3 provides that:
National Energy Policies and Strategies of Sri Lanka 2006 provides that: