KDP categories · Top KDP authors
Hydroelectric: Amazon KDP category data
Amazon Books Best Sellers data for Hydroelectric, updated Nov 2, 2026: median price $40.95, median 3 reviews, average rating 4.2 and a KDPTop opportunity score of 23/100 (highly competitive).
| Price range (middle 50%) | $22.37 – $91.75 |
|---|---|
| Average rating | 4.2 |
| New releases (90 days) | 8% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 4% of the parent category Alternative & Renewable (83), one of the easier corners under it.
- Its review barrier is lower than in 94% of Books categories: the median best seller has only 3 reviews, so new books can chart with few.
- At $40.95 its median price beats 94% of Books categories, leaving more margin per copy.
Top 10 Hydroelectric best sellers
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The All-in-One Off-Grid Survival Manual: [10-in-1] How to Live Anywhere, Protect Your Family, and Stay Off the Radar | 300+ DIY Projects for Power, Water, Food, Home Defense, and Radio Communication
- List rank#1
- Price$29.97
- Rating4.5
- Reviews213
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The Off-Grid Survival Manual: Step-by-Step DIY Projects for Water, Food, Power, Shelter & Security to Keep Your Family Self-Sufficient in Any Crisis (The Hunter Ashford Preparedness Library)
- List rank#2
- Price$21.99
- Rating4.8
- Reviews18
-
Off-Grid Family Survival Handbook: Step-by-Step DIY Solutions to Protect Your Family, Ensure Essential Supplies, and Thrive in Any Crisis - Without Expensive Gear or Complicated Projects
by James A. Shepherd
- List rank#3
- Price$29.87
- Rating4.1
- Reviews86
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The Off-Grid Survival Projects Handbook: 74 Step-by-Step DIY Projects with Measurements, Diagrams, and Materials Lists to Secure Water, Power, Food, Heat, and Shelter Off the Grid
by Mark Farrell
- List rank#4
- Price$24.99
- Rating4.8
- Reviews43
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SURVIVAL CODE: The Ultimate DIY Projects Guide to Total Self-Sufficiency & Crisis Preparedness - Set Up a Self-Sustaining Homestead That Provides Everything You Need
by Michael Thompson
- List rank#5
- Price$31.97
- Rating4.7
- Reviews84
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The Prepper’s Survival Bible: 20 in 1: The Long-Term Survival Guide to Face Any Scenario with Life-Saving Strategies, Stockpiling, Water Filtration, Off-Grid Living, and Self-Defense
by Jason McGuire
- List rank#6
- Price$12.99
- Rating3.6
- Reviews160
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Off Grid Home Building Essentials: A Comprehensive Planning Handbook for House Options, Solar, Wind, Water, Heating and Cooling--Self-Sufficiency Projects for Off Grid Living! (Off Grid Essentials)
by John Utterback
- List rank#7
- Price$17
- Rating4.4
- Reviews142
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The Off-Grid Survival Projects Handbook, Volume 2: 69 Step-by-Step Projects for Cold Nights, Dead Taps, Empty Shelves, and Everything in Between
by Mark Farrell
- List rank#8
- Price$23.99
- Rating4.9
- Reviews10
-
Electric Transmission of Water Power: Revolutionizing Hydroelectric Power Transmission Technology
by Alton D. Adams
- List rank#9
- Price$1.99
- Reviews-
-
The Prepper's Water Survival Guide: A Complete Set of Life-Saving Methods You Can Depend On in Any Emergency. Discover How to Find, Collect, Filter, Purify and Store Water to Survive Living Off-Grid
by Raymond L. Hillman
- List rank#10
- Price$16.97
- Rating4.2
- Reviews264
FAQ
Is Hydroelectric a good niche for Amazon KDP?
Its KDPTop opportunity score is 23/100, which makes it highly competitive. The median best seller has 3 reviews and sells for $40.95.
How many reviews do you need to rank in Hydroelectric?
The median best seller has 3 reviews, and 92% of them have fewer than 100.
What do Hydroelectric best sellers cost?
The median price is $40.95; half of the best sellers are priced between $22.37 and $91.75.
Can new books break into Hydroelectric?
8% of the current best sellers were released in the last 90 days.
About this data
Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.