This chapter discusses how a comparative philosophical model can contribute to both substantive and procedural values in energy policy. We discuss the substantive values in the mainstream light-emitting diodes (LEDs) debate and Taylor Stone's alternative plea for darkness. We also explore Value Sensitive Design as a procedural approach. We conclude that the comparative philosophical model of Ulrich Libbrecht can appropriately broaden the set of substantive values used in VSD. We discuss the values of 'by-itself-so' and 'alter-intentionality', which come with the unforeseen necessity of accepting elements from other worldviews and of normativity in the procedural VSD approach. ... Read more