This is the profit earned in excess of minimum returns required by contributors of capital, i.e. debt and equity. EVA concept is an extension of traditional residual income measured by incorporating adjustments to divisional performance introduced by GAAPs.
EVA = Divisional Profits +\- Accounting Adjustments – Cost of Capital
Since: Residual Income = Operating\Divisional Profit – Cost of Capital
Therefore; EVA = NOPAT but before Interest +\- Accounting Adjustments – Cost of Capital
NOPAT = Profit After Tax but before Interest