Try these curated collections

Electric power. Vector.
Energy Icons. Two Tone Flat Design. Vector Illustration.
Power Icon, Lightning Power Icon
Power icon Vector Illustration on the white background.
On / Off Power vector icon. On / Off power to the computer icon. Power vector illustration. On / Off for phone icon.
Simple Set of Performance Related Vector Line Icons. 
Contains such Icons as Power, Speed, Graph, Sprint, Boost, Brain, Gain and more. 
Editable Stroke. 48x48 Pixel Perfect.
Lightning, electric power vector logo design element. Energy and thunder electricity symbol concept. Flash bolt sign in the circle. Flash vector emblem template. Power fast speed
power icon
Energy, electricity, power icons
Lightning icon vector simple design
Vector black shut down icons set on white background
Glyph energy pixel perfect vector icon
Simple Set of Fight Related Vector Line Icons. Contains such Icons as Fist Bump, Hit, Strike and more. Editable Stroke. 48x48 Pixel Perfect.
Lightning bolt vector icon
logout vector glyph flat icon
Power button icon on white background
Lightning icon vector, flat design best vector icon
The power icon. Power symbol. Flat Vector illustration. Button Set
Simple Set of Surge Protector Related Vector Line Icons. 
Contains such Icons as American/European Socket, USB Charge, Child Protection and more.
Editable Stroke. 48x48 Pixel Perfect.
simple set of agile vector line icons, contain such lcon as speed, agile, boost, process, time and more
electricity power symbol or icon vector design template, high voltage electric shock danger sign illustration
Power icon on white background.
Fist male hand, proletarian protest symbol. Power sign
Energy line icons
Power Icon, Lightning Power Icon
Set of battery charge level indicators on white
Strong icon. Vector concept illustration for design.
vector power icons
Fist male hand, proletarian protest symbol. Power sign
Lineo Editable Stroke - Power and Energy line icons
Set of 48 energy and ecology line style. 
Contains such Icons as solar panels, oil, solar power, green energy, power socket, bulb, wind power generation, wind turbine and more.
Electricity icons
Lightning Logo Template vector icon illustration design
The power icon. Power symbol. Flat Vector illustration
power Icon Vector Illustration on the white background.
Icon of muscle hand. Willpower, business, healthy lifestyle concept. Vector graphics in flat style. Shape pictograph for websites, mobile apps and other design needs
will concept line icon. Simple element illustration. will concept outline symbol design. Can be used for web and mobile UI/UX
Plug icon. Power icon.
Green energy icon set suitable for info graphics, websites and print media. Black and white flat line icons.
Simple Set of Batteries Related Vector Line Icons. 
Contains such Icons as Car Charge Station, Recycle, Phone Charging, Battery Life Time and more. 
Editable Stroke. 48x48 Pixel Perfect.
High voltage icon, danger vector symbol isolated on white background, web button
Simple Set of Performance Related Vector Icons. Contains such icons as speed, charts, improvements and more. Modern vector pictogram collection.
Lightning, electric power vector logo design element. Energy and thunder electricity symbol concept. Lightning bolt sign in the circle. Power fast speed logotype
Abstract power button icon / button for websites (UI) or applications (app) for smartphones or tablets. Pictogram
Modern thin line icons set of heavy industry, power plant, mining resources. Premium quality outline symbol collection. Simple mono linear pictogram pack. Stroke vector logo concept for web graphics.
power icon
Renewable energy vector symbol isolated on white background
Lightning Electric Icon Vector Illustration
Flash lightning logo black vector
Battery load icon, vector illustration. Flat design eps 10
Icon set related to sport supplements effects.
Flash Lightning Icon Vector. Energy and Power Illustration. Weather Logo. Thunderbolt Symbol.
Lightning, electric power vector logo design element. Energy and thunder electricity symbol concept. Lightning bolt sign in the circle. Power fast speed logotype
Flat icon of power. Vector Illustrator EPS
Simple Set of Speed Related Vector Line Icons. 
Contains such Icons as Cheetah, Snail, Express Delivery, Rocket, Race and more.  Editable Stroke. 48x48 Pixel Perfect.
Electric power. Vector.
start power icon with long shadow
Four icons with human head, brain and light bulb for creative idea, thinking, brainstorming logo concept
Power icons
Energy and Power icons set
Vector Icon Style Illustration Concept of Feminism Movement, LGBT Society, Girl Power, Female Future Protest, Isolated Symbol for Web, Mobile or T-Shirt Design
Lightning bolt
Power icon in black, gray and line art. Vector illustration, easy to edit.
Flat thin line icons modern design style vector set of power and energy symbol, natural renewable energy technologies as solar, wind, water, geothermal heat, bio fuel. Isolated on white background
Energy Icons - Vector Line Series
Energy icons grey vector illustration set
vector black industry icons set on gray
Simple set of energy related vector icons for your design
Modern thin line icons set of eco friendly green energy, clean sources of power. Premium quality outline symbol collection. Simple mono linear pictogram pack. Stroke vector logo concept, web graphics.
Black Thunder and Bolt Lighting Flash Icons Set. Flat Style
Energy and Storage // Apps Interface

Search for "power icon" in these categories

Energy icon set.  Electricity Ecology And Energy Vector symbols.
Start icon. Power icon. Power button
Brain icon, light bulb. Idea concept, vector illustration, line design
reach idea with human hand
Alternative Power Icon
Electricity icon
Flash Icon In Trendy  Design Vector Eps 10
bolt - electricity - energy icon vector
Vector flat style illustration of power icon standby symbol isolated on white background
vector black shut down icon
On / Off Power vector icon. On / Off power to the computer icon. Power vector illustration. On / Off for phone icon.
Electric Logo
Neon sign of lightning signboard on the black background. Vector illustration
abstract sustainability icon on a green background
Power Button Icon,Start Icon, Ilustration - vector
Shut down button or power on/off vector. Simple, flat design for web or mobile app icon set in modern colour design concept on isolated white background. EPS 10 vector.
Oil and energy related icon set
Power icon. Power Switch Icon. illustration
Speedometer Icon Vector flat design style
Energy Icons vector set. power illustration symbol. electricity sign or logo collection.
On/Off switch
Simple Set of Electric tower Related Vector Line Icons. Contains such Icons as electricity, grid, tower, lightning discharge, wire, electric wire and more.
electric icon
Nature elements. Water, Fire, Earth, Air. Infographic elements on dark background. Nature logo. Alternative energy sources. Fire line logo. Water line logo. Air line logo. Earth line logo. Eco logo
Electric plug sign icon. Power energy symbol. Round circle buttons with frame. Vector
lightning in a circle. linear icon. Line with editable stroke
Raised fist set black logo icon - isolated vector illustration
Energy, electricity, power icons set.
COURAGE AND ILLUSTRATION ICON CONCEPT
Performance icons. Perfect black pictogram on white background. Flat simple vector icon.
Energy Icons. Black Flat Design. Vector Illustration.
Strong icon vector
bolt - electricity - energy icon vector
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