As renewable energy deployment accelerates across the world, pioneering regions like Europe are already seeing more negative prices in wholesale power markets. As renewable penetration continues to rise, this downward price trend is putting pressure on not just renewable generators but also gas, coal, nuclear and other technologies operating in and relying on revenues from organized markets. How will power market players make money in a market with depressed wholesale prices? Is the deregulated power market construct compatible with a decarbonized grid dominated by zero marginal cost resources? What market reforms have been proposed to meet these new challenges?