Hey everyone! I'm looking into options to reduce my reliance on the grid for power, and I came across grid-tied inverters. However, I'm a bit anxious about getting into trouble with the utility company, like receiving letters or fees for exporting power back to the grid. I found that inverters with CT clamps, like the GTIL 2000W, might be a common choice, but I'm concerned they seem cheap and lack support. I want to know if there are better alternatives that can prevent export, or if there are better methods than using CT clamps. I'm considering starting with a few inexpensive solar panels in my backyard, especially since I live in the sunny Southwest USA. I'd love any thoughts on if I'm missing out on the benefits of more premium grid-tied inverters that offer zero export functionality. Thanks for any insights!
3 Answers
You have a few options to consider! One approach is to use an off-grid hybrid inverter combined with a sub-panel specifically for solar appliances. Just connect the grid to the inverter along with a battery, and set it to use solar power and battery first—only tapping into grid power when necessary. Just keep in mind that power-hungry appliances like AC units need a consistent supply, and with only 4 small panels, you might only gather enough energy to run your AC for short bursts each day. Still, it can help you save on your energy bill over time!
Don’t stress too much about the utility’s reaction if you proceed cautiously. It helps to check what’s required for your local grid-tied systems; often, it’s not complicated! Bear in mind that if you want to run air conditioning purely on PV power, you need batteries for a steady supply unless you're okay with supplementing from the grid intermittently.
Yeah, I definitely need the grid for consistency with the AC. I'm just hoping to leverage solar during the day when electricity rates are high.
It's crucial to work with your utility company when setting up a grid tie system, as you'll need their permission if you plan to export power. Many modern hybrid inverters have the option to disable grid export, too. While initially, setting up a simple solar-to-grid connection can be cheaper, adding batteries complicates things and raises costs significantly without providing much return unless you have specific plans in mind.
I hear you—batteries are pricey, and the grid rarely goes down where I am. I just want to minimize my daytime grid usage.
I’m looking to keep it cheap and avoid rewiring, though. Can I just plug the hybrid inverter into a regular outlet? I really want to reduce grid use during sunny days without needing batteries.