Firstly, the most basic tip - to choose the best players. In reality, most times players tend to be careless when choosing the best player for a penalty. fifa crédits This happens for them being lazy or ending up forgetting, or even because they don't know who has the best penalty stats. If that's the case, you can view this important information in the player selection box by pressing RT/R2 before your take the penalty. If you play Ultimate Team, you should go to squad settings (Y/Triangle on the active squad menu) and define your penalty kicker. This way you don't have to switch players every time you're going to take a penalty. So Make SURE you're only picking the best of the best when your line-up menu appears.
Secondly, DO PRACTICE. This may seem like a basic tip but it will actually increase your success rate on penalties. Go to the arena (play �C practice arena) and press left on the D-Pad. This way you'll have access to the penalties training ground. Activate the aim mark pressing LT/L2. Now you'll be able to see if you're giving too much fut crédits or little direction to the kick, and you can practice your shot power.
Try also changing the kicker to see what changes when you choose a bad player for penalties. You have the aim mark moving faster now and you can also see that the green area got smaller, plus the blue circle expands, which increases your chances to fail.
You don't need to practice much to get sharp on this. If you're a perfectionist, however, you can also clear the penalty skill games.
Lastly, Right aiming, power and direction. Your success when taking a penalty depends basically on three factors: aiming, power and direction. If you follow our tips, you'll rarely miss one.