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It's not overpriced. If it was, the grid operator would be raking in massive profits because they're selling way above cost. In reality grid operators have small margins, this indicates there is no overpricing. Do you get paid less for power fed to the grid than power sold at retail? Yes. Because they're different things. You get say 5 cents for a kWh fed back to the grid, while you pay more like 25c. But guess what? Wholesalers also get 5 cents to sell to the grid. It's just that there's an additional 20 cents in grid operation and taxes for a retail price. Taxes you can't avoid, it's not a 'scam'. It's money you pay that goes into public funds and returns to the public, and is spent by people you can vote to elect to represent you. Grid costs also aren't a scam, they're just a cost of doing business. Again, profit margins are small, so they're pricing based on cost, not based on scam. And it's all entirely optional. You can just install batteries yourself. You can do whatever you want. You don't have to use the grid. But surprise surprise, there's no reason to think that a small network is on average cheaper than a big network. The bigger the network the easier it is to share storage capacity and offload excesses from one place to another. It's the reason most states and countries try to build interconnectors to even build international grids, and why islands like Cyprus that don't interconnect and have small markets have the highest electricity prices. It's why anyone who builds a home and has the choice to connect to an available grid or not, does so. And why land and homes in locations without grid-access are valued less, because they're more expensive to set-up. |
Microgrids also have some black swan events that can result in outage; if you are reliant on solar and storage but then experience a 7-day long period of stormy weather and no production. As you note, off-grid is always an option, and when you seriously look into it, you quickly find that costs to have that 24/7/365 service are many times more than just paying to connect to the grid.