Is solar plus equivalent battery storage cheaper? Genuinely curious how costs compare for 1TW nuclear to (1+X)TW solar + (1+Y)TWhr battery where X and Y could

Is solar plus equivalent battery storage cheaper? Genuinely curious how costs compare for 1TW nuclear to (1+X)TW solar + (1+Y)TWhr battery where X and Y could be integers depending on location for 12 + hr demand.