{"id":60185,"date":"2026-10-29T15:22:09","date_gmt":"2026-10-29T05:22:09","guid":{"rendered":"https:\/\/flowpower.com.au\/residential\/tips-and-insights\/wholesale-electricity-plans-for-your-home-explained\/"},"modified":"2026-11-02T14:15:11","modified_gmt":"2026-11-02T04:15:11","slug":"two-way-tariffs-explained","status":"publish","type":"post","link":"https:\/\/flowpower.com.au\/residential\/tips-and-insights\/two-way-tariffs-explained\/","title":{"rendered":"Two-way tariffs explained: solar, the sun tax and batteries"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"author":20,"featured_media":39934,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"categories":[9,3],"tags":[],"class_list":["post-60185","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-energy-knowledge","category-industry-news"],"acf":{"page_builder":[{"acf_fc_layout":"blog_hero","title":"

Two-way tariffs explained<\/h1>","blurb":"Two-way tariffs add a small midday export charge and an evening export reward for solar homes. How they work, which networks have them, and why a battery pays.","read_length":"8 mins","background_colour":"dark-blue"},{"acf_fc_layout":"blog_article","sections":[{"acf_fc_layout":"content","content":"

Two-way tariffs explained: what the change means for your solar and battery<\/h2>\r\n \r\n\r\nIf you have solar, the way your electricity is priced is starting to change, and it begins with your network tariff. It is a term that trips people up, because it sounds like it might be the rate your energy retailer charges you. It is not. So, before we get to what is changing, here's a quick overview on what a network tariff actually is.<\/span>\u00a0<\/span>\r\n

<\/h3>\r\n

What is a network tariff?<\/span><\/b>\u00a0<\/span><\/h3>\r\n \r\n\r\nYour network tariff is a pass-through charge from your local network (the distributor that owns the poles and wires in your area) to carry electricity to and from your property. It is one part of your bill, separate from your retailer's energy rate.<\/span>\u00a0<\/span>\r\n\r\nEveryone is on a network tariff, whether they realise it or not. What is changing is the type of network tariff some networks now offer: a growing number are moving to a two-way tariff structure.\u00a0<\/span>\u00a0<\/span>\r\n\r\n\u00a0<\/span>\r\n

What is a two-way tariff?<\/span><\/b>\u00a0<\/span><\/h3>\r\n \r\n\r\nA traditional network tariff only prices one direction: the power you use from the grid. Sending your solar back to the grid was free, and you earned a feed-in tariff for it from your retailer.<\/span>\u00a0<\/span>\r\n\r\nA two-way tariff adds a price on the export side too. It does two things:<\/span>\u00a0<\/span>\r\n
    \r\n \t
  • It charges a small amount to export during the middle of the day, when the grid is flooded with solar (often called the \"solar soak\" period, and sometimes the \"sun tax\").<\/span>\u00a0<\/span><\/li>\r\n<\/ul>\r\n
      \r\n \t
    • It pays you a reward to export in the evening, when the grid actually needs the energy.<\/span>\u00a0<\/span><\/li>\r\n<\/ul>\r\n\u00a0<\/span>\r\n\r\nSo instead of every exported kilowatt-hour being worth the same, <\/span>when <\/span><\/b>you export now matters.<\/span>\u00a0<\/span>\r\n\r\n \r\n

      Why is this happening?<\/span><\/b>\u00a0<\/span><\/h3>\r\n \r\n\r\nThere is a lot of rooftop solar, and most of it exports at the same time, in the middle of a sunny day. For some networks that midday flood is now more than the local grid can comfortably take. Rather than spend heavily on new infrastructure, networks are using price signals to nudge some of that export out of the midday peak and into the evening, when demand is high and solar has dropped off. A two-way tariff is that price signal.<\/span>\u00a0<\/span>\r\n\r\n \r\n\r\nHow it works: the two parts<\/span><\/b>\u00a0<\/span>\r\n\r\nThe exact windows and rates vary by network, but the shape is the same everywhere:<\/span>\u00a0<\/span>\r\n
        \r\n \t
      • Midday export charge: roughly 10am to 3pm, usually around 1 to 3 cents per kWh, and usually only on what you export above a free daily allowance (commonly 7 to 9 kWh a day). Export a normal amount and most households pay little or nothing.<\/span>\u00a0<\/span><\/li>\r\n<\/ul>\r\n
          \r\n \t
        • Evening export reward: roughly 4pm to 9pm, around 7 to 15 cents per kWh depending on the network, paid on top of your feed-in tariff. This is the valuable part.<\/span>\u00a0<\/span><\/li>\r\n<\/ul>\r\n \r\n

          Which networks have a two-way tariff?<\/span><\/b>\u00a0<\/span><\/h3>\r\n \r\n\r\nAvailability depends on your distribution network (the poles-and-wires company for your area, not your retailer). The table below shows where things stand across the National Electricity Market. Rows shaded red are networks that do not yet offer a residential two-way tariff.<\/span>\u00a0<\/span>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
          State<\/span><\/b>\u00a0<\/span><\/td>\r\nNetwork (DNSP)<\/span><\/b>\u00a0<\/span><\/td>\r\nStatus<\/span><\/b>\u00a0<\/span><\/td>\r\nEvening export reward<\/span><\/b>\u00a0<\/span><\/td>\r\nMidday export charge<\/span><\/b>\u00a0<\/span><\/td>\r\nFree daily export allowance<\/span><\/b>\u00a0<\/span><\/td>\r\n<\/tr>\r\n
          VIC<\/span>\u00a0<\/span><\/td>\r\nAusNet<\/span>\u00a0<\/span><\/td>\r\nAvailable<\/span>\u00a0<\/span><\/td>\r\n10c\/kWh, 4-9pm, all year<\/span>\u00a0<\/span><\/td>\r\n1c\/kWh, ~10am-3pm<\/span>\u00a0<\/span><\/td>\r\n-<\/span>\u00a0<\/span><\/td>\r\n<\/tr>\r\n
          VIC<\/span>\u00a0<\/span><\/td>\r\nJemena<\/span>\u00a0<\/span><\/td>\r\nAvailable<\/span>\u00a0<\/span><\/td>\r\n15c\/kWh, 4-9pm, all year<\/span>\u00a0<\/span><\/td>\r\n3c\/kWh, ~10am-3pm<\/span>\u00a0<\/span><\/td>\r\n-<\/span>\u00a0<\/span><\/td>\r\n<\/tr>\r\n
          VIC<\/span>\u00a0<\/span><\/td>\r\nCitiPower<\/span>\u00a0<\/span><\/td>\r\nAvailable<\/span>\u00a0<\/span><\/td>\r\n7c\/kWh, 4-9pm (summer & winter)<\/span>\u00a0<\/span><\/td>\r\n1c\/kWh, ~10am-3pm<\/span>\u00a0<\/span><\/td>\r\n-<\/span>\u00a0<\/span><\/td>\r\n<\/tr>\r\n
          VIC<\/span>\u00a0<\/span><\/td>\r\nPowercor<\/span>\u00a0<\/span><\/td>\r\nAvailable<\/span>\u00a0<\/span><\/td>\r\n7c\/kWh, 4-9pm (summer & winter)<\/span>\u00a0<\/span><\/td>\r\n1c\/kWh, ~10am-3pm<\/span>\u00a0<\/span><\/td>\r\n-<\/span>\u00a0<\/span><\/td>\r\n<\/tr>\r\n
          VIC<\/span>\u00a0<\/span><\/td>\r\nUnited Energy<\/span>\u00a0<\/span><\/td>\r\nAvailable<\/span>\u00a0<\/span><\/td>\r\n7c\/kWh, 4-9pm (summer & winter)<\/span>\u00a0<\/span><\/td>\r\n1c\/kWh, ~10am-3pm<\/span>\u00a0<\/span><\/td>\r\n-<\/span>\u00a0<\/span><\/td>\r\n<\/tr>\r\n
          NSW<\/span>\u00a0<\/span><\/td>\r\nAusgrid<\/span>\u00a0<\/span><\/td>\r\nAvailable (mandatory)<\/span>\u00a0<\/span><\/td>\r\n~3.9c\/kWh, evening<\/span>\u00a0<\/span><\/td>\r\n~1.2c\/kWh, midday<\/span>\u00a0<\/span><\/td>\r\ncheck tariff (EA029)<\/span>\u00a0<\/span><\/td>\r\n<\/tr>\r\n
          NSW<\/span>\u00a0<\/span><\/td>\r\nEndeavour Energy<\/span>\u00a0<\/span><\/td>\r\nAvailable<\/span>\u00a0<\/span><\/td>\r\nup to 11.7c\/kWh, evening, business days<\/span>\u00a0<\/span><\/td>\r\n1.86c\/kWh, midday<\/span>\u00a0<\/span><\/td>\r\nyes (check amount)<\/span>\u00a0<\/span><\/td>\r\n<\/tr>\r\n
          NSW<\/span>\u00a0<\/span><\/td>\r\nEssential Energy<\/span>\u00a0<\/span><\/td>\r\nAvailable<\/span>\u00a0<\/span><\/td>\r\n11.72c\/kWh, 5-8pm, daily<\/span>\u00a0<\/span><\/td>\r\n0.83c\/kWh, 10am-3pm<\/span>\u00a0<\/span><\/td>\r\n7.5 kWh\/day<\/span>\u00a0<\/span><\/td>\r\n<\/tr>\r\n
          QLD<\/span>\u00a0<\/span><\/td>\r\nEnergex (SE Qld)<\/span>\u00a0<\/span><\/td>\r\nTrial<\/span>\u00a0<\/span><\/td>\r\n12.20c\/kWh, 5-8pm (Nov-Mar)<\/span>\u00a0<\/span><\/td>\r\n2.43c\/kWh, 10am-1pm (Apr-Oct)<\/span>\u00a0<\/span><\/td>\r\nfree 10-11am<\/span>\u00a0<\/span><\/td>\r\n<\/tr>\r\n
          QLD<\/span>\u00a0<\/span><\/td>\r\nErgon (regional Qld)<\/span>\u00a0<\/span><\/td>\r\nNone<\/span>\u00a0<\/span><\/td>\r\n- (flat QCA feed-in only, ~6c)<\/span>\u00a0<\/span><\/td>\r\n-<\/span>\u00a0<\/span><\/td>\r\n-<\/span>\u00a0<\/span><\/td>\r\n<\/tr>\r\n
          SA<\/span>\u00a0<\/span><\/td>\r\nSA Power Networks<\/span>\u00a0<\/span><\/td>\r\nAvailable<\/span>\u00a0<\/span><\/td>\r\n13.22c\/kWh, 5-9pm (Nov-Mar)<\/span>\u00a0<\/span><\/td>\r\n1.1c\/kWh, 10am-4pm<\/span>\u00a0<\/span><\/td>\r\n9 kWh\/day<\/span>\u00a0<\/span><\/td>\r\n<\/tr>\r\n
          TAS<\/span>\u00a0<\/span><\/td>\r\nTasNetworks<\/span>\u00a0<\/span><\/td>\r\nNone (residential)<\/span>\u00a0<\/span><\/td>\r\n- (storage\/farm trials only so far)<\/span>\u00a0<\/span><\/td>\r\n-<\/span>\u00a0<\/span><\/td>\r\n-<\/span>\u00a0<\/span><\/td>\r\n<\/tr>\r\n
          ACT<\/span>\u00a0<\/span><\/td>\r\nEvoenergy<\/span>\u00a0<\/span><\/td>\r\nNone<\/span>\u00a0<\/span><\/td>\r\n- (not yet offered)<\/span>\u00a0<\/span><\/td>\r\n-<\/span>\u00a0<\/span><\/td>\r\n-<\/span>\u00a0<\/span><\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n\u00a0<\/span>\r\n

          How it compares to a single-rate tariff<\/span><\/b>\u00a0<\/span><\/h3>\r\n \r\n\r\nMost households are on a single-rate plan today: one flat import rate all day, and a flat feed-in tariff for whatever solar you export, whenever you export it. Here is how that stacks up against a two-way tariff for a solar household.<\/span>\u00a0<\/span>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
          \u00a0<\/span><\/td>\r\nSingle-rate tariff\u00a0<\/span><\/b>\u00a0<\/span><\/td>\r\nTwo-way tariff<\/span><\/b>\u00a0<\/span><\/td>\r\n<\/tr>\r\n
          Import price<\/span>\u00a0<\/span><\/td>\r\nFlat, same all day<\/span>\u00a0<\/span><\/td>\r\nOften time-of-use: cheaper midday, dearer in the evening peak<\/span>\u00a0<\/span><\/td>\r\n<\/tr>\r\n
          Export midday<\/span>\u00a0<\/span><\/td>\r\nFree, earns your flat feed-in tariff<\/span>\u00a0<\/span><\/td>\r\nSmall network charge above the free allowance, plus your feed-in tariff<\/span>\u00a0<\/span><\/td>\r\n<\/tr>\r\n
          Export 4-9pm<\/span>\u00a0<\/span><\/td>\r\nJust your flat feed-in tariff<\/span>\u00a0<\/span><\/td>\r\nYour feed-in tariff PLUS a network reward (around 10-15c\/kWh)<\/span>\u00a0<\/span><\/td>\r\n<\/tr>\r\n
          Best suited to<\/span>\u00a0<\/span><\/td>\r\nHomes that export whenever the sun is out<\/span>\u00a0<\/span><\/td>\r\nHomes that can shift export to the evening, i.e. battery owners<\/span>\u00a0<\/span><\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n\u00a0<\/span>\r\n\r\nA worked example (illustrative): say you can move 15 kWh of export from the middle of the day into the evening window.<\/span>\u00a0<\/span>\r\n
            \r\n \t
          • On a single-rate plan, that 15 kWh earns only your flat feed-in tariff. At ~8c\/kWh that is about $1.20.<\/span>\u00a0<\/span><\/li>\r\n<\/ul>\r\n
              \r\n \t
            • On a two-way tariff, the same 15 kWh exported in the evening earns your feed-in tariff plus the network reward. At ~8c + ~12c that is about $3.00, before a small midday charge that a battery household largely avoids anyway.<\/span>\u00a0<\/span><\/li>\r\n<\/ul>\r\nSame energy, roughly 2 to 3 times the value, purely from exporting it at a different time. The catch is that you need to be able to shift it, which is exactly what a battery does: hold your solar through the midday charge window, then discharge and export in the evening reward window. Without a battery you export whenever the sun is shining, so you miss most of the evening upside and can be exposed to the midday charge.<\/span>\u00a0<\/span>"},{"acf_fc_layout":"pull_out","content":"

              <\/h3>\r\n

              Should you switch?<\/h3>\r\n \r\n\r\nIf you have solar and a battery, a two-way tariff is usually worth it, because you can time your export to catch the evening reward and sidestep the midday charge. If you have solar but no battery, it is more of a wash and depends on your usage and network. And in some states there is nothing to switch to yet.\r\n\r\nThe figures move around by network and change over time, so the real answer depends on your distribution network, your plan, and how you use power."},{"acf_fc_layout":"spacer"},{"acf_fc_layout":"content","content":"

              Frequently Asked Questions<\/h3>"},{"acf_fc_layout":"accordion","accordion":[{"title":"I'm in Queensland, does a two-way tariff apply to me? ","content":"Not for most Queensland homes yet. In regional Queensland (Ergon) there's no residential two-way tariff at all. In south-east Queensland, Energex is trialing one, but spots are limited and the trial is currently full, so most SEQ solar homes can't opt in right now. If it reopens or expands, it's worth another look. Either way, a battery still earns its keep by shifting your own power use into the pricey evening hours."},{"title":"Is the two-way tariff a Flow Power charge? ","content":"No. It is set by your local network, the distributor that owns the poles and wires in your area, not by Flow Power. It applies to the electricity you export and sits separately from your retailer's rates."},{"title":"Is the 'sun tax' going to cost me money? ","content":"Usually very little, if anything. The midday export charge only applies to what you export above a free daily allowance (commonly 7 to 9 kWh a day), and it is only around 1 to 3 cents per kWh. Most households export a normal amount and pay little or nothing."},{"title":"Do I need a battery to benefit? ","content":"A battery is what lets you benefit most. It holds your solar through the midday charge window and exports it in the <\/span>evening, when<\/span> the network pays a reward (around 7 to 15 cents per kWh on top of your feed-in tariff). Without a battery you export whenever the sun is out, so you miss most of the evening upside.<\/span><\/span>\u00a0<\/span>"},{"title":"Does every network have a two-way tariff? ","content":"No. It depends on your distribution network. Most Victorian, NSW and South Australian networks have one; the ACT, Tasmania and regional Queensland do not offer a residential two-way tariff yet, and South-East Queensland (Energex) runs one as a trial. Western Australia is a separate system.<\/span><\/span>\u00a0<\/span>"},{"title":"Will I be forced onto a two-way tariff? ","content":"It varies by network. Some are opt-in, and at least one (Ausgrid in NSW) applies it by default. Check your distribution network's current tariffs, or ask your retailer.<\/span>\u00a0<\/span>"}]}],"background_colour":""}],"summary":"Two-way tariffs add a small midday export charge and an evening export reward for solar homes. How they work, which networks have them, and why a battery pays.","show_ci_banner":false,"hide_headermenu":false},"yoast_head":"\nTwo-way tariffs explained: solar, the sun tax and batteries - Flow Power<\/title>\n<meta name=\"description\" content=\"Two-way tariffs add a small midday export charge and an evening export reward for solar homes. 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