Logo work for Reduce The Power

I am working on some beginning concepts for an energy company.

The company role is to help hospitals and other big organizations reduce energy consumption.

The first logo is showing a connection between solar power as it casts a shadow and the arrow is meant to show energy reduction.

The second logo is very much to the point, turn off lights and you will reduce your power consumption.

I like both of these ideas but feel they could be improved. Would love some feedback before I show them to the client.

colour is on its way, I find I like logos in greyscale to start, if they work like this they will work with colour.

Thanks guys!

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http://matthewcarleton.com

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