57 †Capital Recovery Factor = {i(1 + i)^n} / {[(1 + i)^n]-1} where “i” is the interest rate and “n” is the number of annuities received (n = 30, or the lifetime in years of each design reference system). ††Variable Operations and Maintenance covers electricity fuel sources, so NREL does not include this cost category for any renewable electricity production technology. SBSP does not use fuel as a direct input to electricity production. In applying this calculation to comparative renewable energy technologies, all variables remain the same with exception of the removal of power output (~2 GW), stemming from the SBSP design reference systems’ scaling factor. A breakdown of the inputs (all variables) is seen in Table 14.
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