So their electric costs are higher, but they also don&#x27;t burn any coal or natural gas (which doesn&#x27;t price in the negative environmental effects those generation types incur).<p>Also, intermittent power can be a function of transmission network quality, not just generation type.<p>Renewables don&#x27;t do anything but help. Generating too much? Curtail your production until you can store it in a cost efficient manner. Generating too little? Add more capacity.