Raising vibrations to help humanity
Will save about $10/mo, but might cost a retrofit to install. In addition, you would save space. The downside I see with this is you would no longer have that emergency 40-50 gallons of water stored.
Arcadia Power is a company with a novel concept. It works to get non-coal energy to your home and, using electricity purchased from wind energy, is said to save you money on your electric bill. There are good reviews, but quite a few not-so-good reviews with the Better Business Bureau (BBB). Two mentions of an A and an A+ rating on the BBB search index, but I couldn't find the rating on the actual page.
Also, note the comment below from the Reddit article. The source link the comment refers to at green-e.org is no longer available. You'll have to research to see if Arcadia Power got its certification back:
Just a note. Arcadia Power lost certification for their RECs. See here: https://www.green-e.org/news/arcadia
Therefore, the "products" they are selling you no longer pass major certifications.