diff --git a/tariff.go b/tariff.go
index b6be678..fc9c4c7 100644
--- a/tariff.go
+++ b/tariff.go
@@ -4,35 +4,42 @@ import (
 	"time"
 )
 
-//const dailySupplyCharge = 105.750 / 100    // 1 July 2020 - 30 June 2021
-const dailySupplyCharge = 98.234 / 100 // 1 July 2021 - 30 June 2022
-
-var (
-	//solarFeedInTariff = fixedTariff(8.471 / 100)  // 1 July 2020 - 30 June 2021
-	solarFeedInTariff = fixedTariff(6.501 / 100) // 1 July 2021 - 30 June 2022
-	tariff93          = &onOffPeakTariff{
-		// 1 July 2020 - 30 June 2021:
-		//onPeak:  32.137 / 100,
-		//offPeak: 14.963 / 100,
-		// 1 July 2021 - 30 June 2022:
-		onPeak:  29.852 / 100,
-		offPeak: 13.9 / 100,
-		isPeak: (&weekdayHours{
-			zone: time.FixedZone("UTC+10", +10*60*60),
-			on: [24]bool{
-				7:  true,
-				8:  true,
-				9:  true,
-				16: true,
-				17: true,
-				18: true,
-				19: true,
-				20: true,
-			},
-		}).isPeak,
-	}
+const (
+	//dailySupplyCharge = 105.750 / 100    // 1 July 2020 - 30 June 2021
+	//dailySupplyCharge = 98.234 / 100 // 1 July 2021 - 30 June 2022
+ 	//dailySupplyCharge = 98.234 / 100 // 1 July 2021 - 30 June 2022
+	dailySupplyCharge = 1.099030 // 1 July 2021 - 30 June 2022
+ 	
+ 	//solarFeedInTariff = fixedTariff(8.471 / 100)  // 1 July 2020 - 30 June 2021
+ 	//solarFeedInTariff = fixedTariff(6.501 / 100) // 1 July 2021 - 30 June 2022
+ 	solarFeedInTariff = fixedTariff(0.088830) // 1 July 2022 - 30 June 2023
 )
 
+var tariff93 = &onOffPeakTariff{
+	// 1 July 2020 - 30 June 2021:
+	//onPeak:  32.137 / 100,
+	//offPeak: 14.963 / 100,
+	// 1 July 2021 - 30 June 2022:
+	//onPeak:  29.852 / 100,
+	//offPeak: 13.9 / 100,
+	// 1 July 2022 - 30 June 2023:
+	onPeak: 0.333990,
+	offPeak: 0.155510,
+	isPeak: (&weekdayHours{
+		zone: time.FixedZone("UTC+10", +10*60*60),
+		on: [24]bool{
+			7:  true,
+			8:  true,
+			9:  true,
+			16: true,
+			17: true,
+			18: true,
+			19: true,
+			20: true,
+		},
+	}).isPeak,
+}
+
 type tariff interface {
 	pricePerKWh(time.Time) float64
 }