Energy efficiency

Quality:

Energy efficiency - ratio between the useful energy output and the input of a machine. Article “Energy efficiency” in Simple English Wikipedia has 24.5 points for quality (as of July 1, 2026). The article contains 3 references and 2 sections.

This article has the best quality in German Wikipedia. However, the most popular language version of this article is Russian.

Since the creation of article “Energy efficiency”, its content was written by 11 registered users of Simple English Wikipedia and edited by 1233 registered Wikipedia users in all languages.

The article is cited 43 times in Simple English Wikipedia and cited 4698 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Simple English): #1137 in April 2011
• Global: #648 in July 2002

The highest popularity rank from 2008:

• Local (Simple English): #3823 in October 2012
• Global: #11486 in December 2014

There are 39 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2026 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	German (de) Wirkungsgrad		77.0313
2	Italian (it) Efficienza energetica		49.66
3	English (en) Energy conversion efficiency		45.8734
4	Hindi (hi) उर्जा रूपान्तरण की दक्षता		34.8406
5	Persian (fa) بازده تبدیل انرژی		30.8908
6	Hebrew (he) נצילות		29.3084
7	French (fr) Efficacité énergétique (thermodynamique)		27.2173
8	Malay (ms) Kecekapan penukaran tenaga		26.406
9	Thai (th) ประสิทธิภาพการแปลงพลังงาน		25.6918
10	Catalan (ca) Eficiència de conversió energètica		24.6071

The following table shows the most popular language versions of the article.

#	Language	Popularity award	Relative popularity
1	German (de) Wirkungsgrad		3 521 277
2	Russian (ru) Коэффициент полезного действия		3 003 689
3	English (en) Energy conversion efficiency		1 358 374
4	Japanese (ja) エネルギー効率		738 202
5	Polish (pl) Sprawność		518 912
6	Czech (cs) Účinnost (fyzika)		418 832
7	Ukrainian (uk) Коефіцієнт корисної дії		388 438
8	Dutch (nl) Rendement (energie)		321 061
9	Romanian (ro) Randament		297 920
10	Italian (it) Efficienza energetica		281 124

The following table shows the language versions of the article with the highest popularity in the last month.

#	Language	Popularity award	Relative popularity
1	Russian (ru) Коэффициент полезного действия		2 685
2	German (de) Wirkungsgrad		2 628
3	English (en) Energy conversion efficiency		1 705
4	Japanese (ja) エネルギー効率		411
5	French (fr) Efficacité énergétique (thermodynamique)		385
6	Italian (it) Efficienza energetica		328
7	Polish (pl) Sprawność		292
8	Chinese (zh) 能量轉換效率		274
9	Ukrainian (uk) Коефіцієнт корисної дії		261
10	Czech (cs) Účinnost (fyzika)		211

The following table shows the language versions of the article with the highest Authors’ Interest.

#	Language	AI award	Relative AI
1	German (de) Wirkungsgrad		382
2	English (en) Energy conversion efficiency		134
3	French (fr) Efficacité énergétique (thermodynamique)		97
4	Italian (it) Efficienza energetica		68
5	Russian (ru) Коэффициент полезного действия		68
6	Dutch (nl) Rendement (energie)		56
7	Hebrew (he) נצילות		41
8	Hungarian (hu) Hatásfok		41
9	Polish (pl) Sprawność		33
10	Danish (da) Virkningsgrad		31

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

#	Language	AI award	Relative AI
1	Arabic (ar) كفاءة تحويل الطاقة		2
2	Bulgarian (bg) Коефициент на полезно действие		1
3	German (de) Wirkungsgrad		1
4	Belarusian (be) Каэфіцыент карыснага дзеяння		0
5	Catalan (ca) Eficiència de conversió energètica		0
6	Czech (cs) Účinnost (fyzika)		0
7	Danish (da) Virkningsgrad		0
8	English (en) Energy conversion efficiency		0
9	Esperanto (eo) Efikeco		0
10	Spanish (es) Eficacia energética		0

The following table shows the language versions of the article with the highest number of citations.

On 1 July 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2026 FIFA World Cup, Kylian Mbappé, Erling Haaland, Democratic Republic of the Congo, FIFA World Cup, Harry Kane, Romelu Lukaku, Senegal, Michael Olise, Sadio Mané.

In Simple English Wikipedia the most popular articles on that day were: List of European countries, Black, List of sex positions, 2026 Iran war, Suresh Raina, Politics of Germany, Academy Award for Best Director, 2020, DYSS-TV, 2022.

The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 50 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2026. When calculating current popularity and AI of articles data from June 2026 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2026... More information