Skip to content
Rules3 min read

Power Surge in Cricket — The Big Bash Rule Explained

The Power Surge is a fielding restriction used in Australia's Big Bash League (BBL): 2 overs of reduced fielders chosen by the batting team between overs 11–16. Learn how it works and why it changes T20 strategy.

Written by GeoCric EditorialUpdated Jun 26, 2026
ShareShareWhatsAppFacebook

The Power Surge is a unique fielding restriction rule introduced by Australia's Big Bash League (BBL). Unlike the standard powerplay (which occurs at the start of an innings with no choice), the Power Surge gives the batting team the option to trigger 2 overs of reduced fielding restrictions at any point between overs 11 and 16. During a Power Surge over, only two fielders may be positioned outside the 30-yard circle — making it easier to score big.

How the Power Surge Works

  • The batting team may call for the Power Surge at any point between overs 11 and 16
  • The Power Surge lasts exactly 2 overs
  • During those 2 overs, only 2 fielders can be outside the 30-yard fielding circle
  • If the batting team hasn't called the Power Surge before over 16 begins, it is automatically applied to overs 17 and 18
  • The batting captain signals to the umpire when they want the Power Surge to start

Why It Changes Strategy

The Power Surge creates a strategic tension not found in standard powerplays. If a batting team has set batters at the crease who are in good form at overs 11–12, triggering the Power Surge early maximises their advantage against a packed infield. But if wickets have fallen and the tail is near, a captain might delay the Power Surge hoping their set batter survives to use it. Fielding captains must plan their bowling rotations around whether or not the Power Surge has been called.

The Power Surge is specific to the BBL. Other T20 leagues (IPL, The Hundred, CPL) use different fielding restriction rules. The ICC has not mandated it for international T20Is.

Power Surge vs Standard Powerplay

FeatureStandard PowerplayPower Surge (BBL)
WhenFirst 6 overs of the inningsOvers 11–16 (captain's choice)
Duration6 overs2 overs
Initiated byAutomaticBatting captain's request
Fielders inside circle5 (only 2 outside)8 (only 2 outside)
Strategic elementFixed — no choiceVariable — timing is the tactic

Timing the Power Surge

Melbourne Stars vs Sydney Sixers, BBL 2023: Stars hold their Power Surge until over 14 when Glenn Maxwell comes to the crease. With Maxwell in full flow and only 2 fielders on the boundary, he hits 24 off 2 overs — the strategic delay (waiting for their best batter) added 8+ runs compared to using it earlier while partnerships were still being built.

Frequently asked questions

Does the Power Surge apply in international T20 cricket?

No. The Power Surge is a BBL-specific rule. International T20Is use the standard powerplay (mandatory first 6 overs) without any mid-innings optional fielding restrictions.

What happens if the batting team never calls the Power Surge?

If the batting team hasn't triggered the Power Surge before over 16 ends, it is automatically applied to overs 17 and 18 — the batting team loses the choice of timing and it defaults to late in the innings.

Does The Hundred or IPL have a similar rule?

No. The Hundred uses a 'Power Play' of 5 balls/overs at the start with reduced fielding restrictions, and the IPL/standard T20 has a 6-over powerplay. None use a batter-triggered mid-innings surge like the BBL Power Surge.