Thus, the than 70 percent of the electricity use2 the University of California, Berkeley, has discount rate presents the lost value of, for and almost 40 percent of greenhouse gas worked with a number of cities, initially example, $100 received a year from now emissions3 in the United States. [...] Renewable and Solar Technology) have the rates, often in the range of 25 percent to This means that retrofit efforts, such potential to help catalyze the transition to 75 percent.12 as improving energy efficiency and add- a more sustainable use of energy and also The difference between a market rate ing solar photovoltaics (PV) and solar deliver benefits beyond emissions reduc- of return and the i. [...] In November 2008, this problem by allowing individuals and before the end of the 20-year repayment Boulder used this authority to pass Measure businesses to pay over time and match period, the new owner pays the remaining 1A, which allows the county to issue up to the timing of the payments with the ben- special taxes as part of their property’s $40 million in special assessment bonds to efits rea. [...] Berkeley has committed to public ballot measure, set a target green- provide funding for the program through house gas reduction of 80 percent from To assess the impact of clean energy the issuance of a special tax bond that the 1990 baseline for the city by 2050, municipal financing on residential cus- is repaid semi-annually over 20 years consistent with the IPCC findings.15 The tomers, our rese. [...] federal climate change legislation will be base case over 25 years, the solar energy The effect of $30 per ton of CO2 is prob- enacted in the next few years, this factor system would total $10,600, the income ably the most striking of the differences; may significantly affect the economics of tax credit would be $3,900, the energy it allows the U.