Abstract
This article presents basic technical and cost aspects of solar energy and surveys its planing and public policy domain. Such distinctions as direct vs. indirect, thermal vs. photovoltaic, and local VS. central solar systems are explained. Cost estimates for local thermal, central thermal, and photovoltaic applications are developed and related to conventional energy costs. Spatial aspects, including land area required for central solar utilities, are analyzed, Public policy planning issues covered include protection of solar sight lines, property tax incentives, life cycle costing, building codes and subdivision regulations, and electric utility pricing.

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