If your main goal is saving energy in a kitchen, LED bulbs are usually the best choice by a wide margin. They use far less electricity than incandescent or halogen bulbs, and they also tend to last much longer, which matters in a kitchen because those lights often get switched on and off many times a day. In real terms, a good LED bulb can produce the same brightness as an old 60-watt incandescent while using around 8 to 10 watts, sometimes even less. That is a big difference over time, especially if the kitchen lights are on for several hours each day.
CFL bulbs also use less energy than traditional incandescent bulbs, but they are generally not as efficient or as convenient as LEDs. They take a little time to reach full brightness, some people do not like the light quality, and they are more fragile. In a kitchen, where you want instant light over counters, sinks, and prep areas, LEDs usually feel better in everyday use. Halogen bulbs are the least attractive choice if saving energy is the priority, because they run hotter and use much more power than LEDs for the same amount of light.
For a kitchen, brightness and color temperature matter almost as much as wattage. A bulb that saves energy but makes the room look dull is not a good trade. Many people like LEDs in the 2700K to 3000K range for a warmer, more comfortable light, while 4000K can give a cleaner, brighter look that works well for task lighting. If your kitchen has under-cabinet lights, recessed cans, or pendant fixtures, choosing the right LED shape and beam angle is important so the light lands where you actually need it.
One thing to check is lumens, not just watts. Lumens tell you how bright the bulb is, and watts tell you how much electricity it uses. If you want a bright kitchen without wasting energy, compare lumens first and then pick the lowest wattage LED that gives you the output you want. Also look for dimmable bulbs only if your switches and fixtures support dimming, because a non-compatible bulb can flicker or fail early.
If you are replacing several bulbs at once, it is usually worth choosing the same brand and color temperature so the kitchen looks uniform. I would also avoid very cheap LEDs from unknown brands, since they can have poor light quality or shorter life. In most cases, a decent LED is the clear winner for kitchen use: lowest energy use, long lifespan, instant brightness, and better overall value.