KERS at Interlagos

[Green Genes]

With the race 800m above sea level, everybody's engine produces less power, but KERS output should remain the same. Does this make the extra power a bigger factor than if the same track were at sea level, or is the difference marginal?

[axle]

With the race 800m above sea level, everybody's engine produces less power, but KERS output should remain the same. Does this make the extra power a bigger factor than if the same track were at sea level, or is the difference marginal?

You are correct, and the math is in the official race thread.