In Victoria, the feed-in tariff for solar energy is less than 5 cents per kilowatt-hour, while retail prices reach around 28 cents. Research shows that selling surplus solar energy to neighbors at an agreed price benefits both parties financially. Models indicate that peer-to-peer energy sharing with a 10 kWh battery could yield AU$4,929 in profit for solar owners over 20 years, contrasting sharply with negative returns from peer-to-grid scenarios. This system allows direct consumer-to-consumer energy trading, bypassing the much lower rates offered by energy companies for surplus energy.
"Under current conditions in Victoria, the feed-in tariff is less than 5 cents per kilowatt hour, while the retail price is around 28 cents. Selling surplus PV energy directly to neighbors at a mutually agreed price in between can be more profitable for solar householders and still cheaper for buyer."
"Our modelling revealed that under current conditions, P2P energy sharing coupled with a 10 kWh battery could deliver the highest return - AU$4,929 over 20 years."
"The trick is that while energy suppliers are eager to charge high prices per kilowatt-hour, they're reluctant to spend the same amount - so any excess energy generated by a solar harvesting system is sold back for a fraction of what the energy companies claim it to be worth."
"A peer-to-peer distribution system between neighbors balances this out, allowing excess energy to be priced above the feed-in tariff rate but below the retail price, facilitating additional income for the generator."
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