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A User's Manual for DELSOL3 - prod.sandia.gov - Sandia National ...

A User's Manual for DELSOL3 - prod.sandia.gov - Sandia National ...

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TC<br />

TR<br />

FDEBT<br />

RDEBT<br />

ROE<br />

IDEP<br />

NDEP<br />

NYOP<br />

RHOM<br />

RNHOM<br />

20G<br />

Investment tax credit expressed as a fraction of the<br />

total investment.<br />

Default: TC = 0.10 (VW<br />

Income tax rate, expressed as a fraction, not %.<br />

Default: TR = 0.48 (V*B)<br />

Fraction of debt financing.<br />

Default: FDEBT = 0.5431<br />

Debt cost; i.e., appropriate interest rate <strong>for</strong> borrowed<br />

funds, expressed as a fraction, not %.<br />

Default: RDEBT = 0.11 (VW<br />

Be<strong>for</strong>e tax return on equity, expressed as a fraction,<br />

not %.<br />

Default: ROE = 0.15 (VW<br />

Parameter identifying depreciation schedule to be used:<br />

= 1, straight line method;<br />

= 2, sum-of-years digits method.<br />

Default: IDEP = 2 (W<br />

Depreciation period (in years) of solar plant equipment.<br />

Default: NDEP = 24 (V*B)<br />

Operating life (years) of a plant <strong>for</strong> investment recovery.<br />

Default: NYOP = 30 (VW<br />

Heliostat operating and maintenance charge, expressed<br />

as a fraction of field related capital costs.<br />

Default: RHOM = 0.015 (VW<br />

Balance of plant O&M charge, expressed as a fraction<br />

of non-field related capital costs.<br />

Default: RNHOM = 0.015 (Vm

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