The cost of photovoltaics has long been cited as a primary barrier to widespread solar adoption. The good news is those costs have dropped dramatically in recent years, making solar more accessible to consumers and cost-competitive as a wholesale resource in many markets across the country. The latest edition of the annual "Tracking the Sun" report from the Department of Energy’s Lawrence Berkeley National Laboratory shines light on PV's changing cost dynamics, tracking national trends in installed costs as well as differences by region, system size and installation type. Join report co-author Galen Barbose as he reviews the latest findings.