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Discuss Tesla's Model S, Model 3, Model X, Model Y, Cybertruck, Roadster and More.


  1. S

    Integrating Existing Enphase with new panels and Powerwall

    I have a current Enphase system with S280 inverters (they are not IQ compatible), system is 30x320W and broken up into 3 arrays. I wanted to make sure that my existing PV system will be able to charge the Powerwall (being that it is upstream from the Tesla Backup Gateway 2) in addition to the...
  2. S

    Go with Tesla or Swell Energy for 2 Powerwalls?

    I have a quote from Swell Energy for 2 Powerwalls but haven't contacted Tesla yet. Here's the quote Total amount: $23,320.80 Federal tax credit: $6,063.41 Other Rebates amount: $5,279.95 Net cost: $11,977.44 My System I have a 46 panel system with Enphase IQ7+ Micro Inverters generating 15.69...
  3. D

    Enphase vs SolarEdge

    I have two proposals from the same company. One uses SolarEdge with optimizers, at $2.50 per watt, and another uses Enphase IQ7 microinverters, at $2.80 per watt. The installer says that Enphase IQ7 is more efficient and generally produces more power than SolarEdge. They also have a better...