Old Gold Power Plant is a new island being added to Pokemon Sleep on October 2, 2024 and can be accessed after finding 340 Sleep Styles. Read on to learn more about this new research area, the possible Pokemon in its Area Dex, and how you can unlock this island.

All Research Areas
Greengrass Isle	Cyan Beach	Taupe Hollow
Snowdrop Tundra	Lapis Lakeside	Old Gold Power Plant

Old Gold Power Plant Details

Old Gold Power Plant
Description	Retired long ago, this vast power plant still hosts a lot of abandoned equipment—as well as many Electric-type Pokemon.
How to Unlock	Discover 340 Sleep Styles
Team RP Target	≥ 15,000
No. of Pokemon Species	54
Total Dozing Sleep Styles	Total Snoozing Sleep Styles	Total Slumbering Sleep Styles
65	78	63

Snorlax Favorite Berries

Old Gold Power Plant Favorite Berries
Grepa Berry	Bluk Berry	Belue Berry

All Snorlax at the Old Gold Power Plant, regardless of color, will have the Grepa Berry, Bluk Berry, and Belue Berry as their favorite Berries. These Berries can be found by Electric, Ghost, and Steel-type Pokemon respectively.

How to Unlock Old Gold Power Plant

Discover 340 Sleep Styles

To unlock Old Gold Power Plant as a research site, you need to have found at least 340 Sleep Styles during sleep research after your sleep sessions.

Once you unlock Old Gold Power Plant, you can wait for a new week to start research in this new area, or you can use an E-Zzz Travel Ticket to move immediately.

All Sleep Style Dex Goals, Unlocks, and Rewards

Old Gold Power Plant Area Dex

New Pokemon at Old Gold Power Plant

New Pokemon
Aron #304	Lairon #305	Aggron #306
Shinx #403	Luxio #404	Luxray #405
Grubbin #736	Charjabug #737	Vikavolt #738
Drifloon #425	Drifblim #426

Aron, Shinx, Grubbin, along with their evolution lines, are being added in Pokemon Sleep through the Old Gold Power Plant.

Drifloon and Drifblim are also available in the Old Gold Power Plant starting on October 11, 4 AM local time.

List of All Old Gold Power Plant Pokemon

No.	Pokemon	Sleep Type	Berry/Type	Snorlax Rating
10	Caterpie	Dozing	Lum Berry	Basic 1
11	Metapod	Dozing	Lum Berry	Basic 1
12	Butterfree	Dozing	Lum Berry	Great 3
23	Ekans	Dozing	Chesto Berry	Basic 1
24	Arbok	Dozing	Chesto Berry	Basic 2
25	Pikachu	Snoozing	Grepa Berry	Basic 1
26	Raichu	Snoozing	Grepa Berry	Ultra 2
35	Clefairy	Snoozing	Pecha Berry	Basic 1
36	Clefable	Snoozing	Pecha Berry	Ultra 1
50	Diglett	Snoozing	Figy Berry	Basic 1
51	Dugtrio	Snoozing	Figy Berry	Basic 3
74	Geodude	Slumbering	Sitrus Berry	Basic 1
75	Graveler	Slumbering	Sitrus Berry	Basic 1
81	Magnemite	Slumbering	Belue Berry	Basic 1
82	Magneton	Slumbering	Belue Berry	Basic 1
92	Gastly	Dozing	Bluk Berry	Basic 1
93	Haunter	Dozing	Bluk Berry	Basic 2
94	Gengar	Dozing	Bluk Berry	Great 3
122	Mr. Mime	Snoozing	Mago Berry	Basic 1
132	Ditto	Snoozing	Persim Berry	Basic 3
133	Eevee	Snoozing	Persim Berry	Basic 1
135	Jolteon	Snoozing	Grepa Berry	Ultra 3
172	Pichu	Slumbering	Grepa Berry	Basic 1
173	Cleffa	Slumbering	Pecha Berry	Basic 1
179	Mareep	Snoozing	Grepa Berry	Basic 1
180	Flaaffy	Snoozing	Grepa Berry	Basic 1
181	Ampharos	Snoozing	Grepa Berry	Great 5
194	Wooper	Slumbering	Oran Berry	Basic 1
195	Quagsire	Slumbering	Oran Berry	Great 4
208	Steelix	Slumbering	Belue Berry	Ultra 4
243	Raikou	Snoozing	Grepa Berry	Master 2
304	Aron	Slumbering	Belue Berry	Basic 1
305	Lairon	Slumbering	Belue Berry	Great 1
306	Aggron	Slumbering	Belue Berry	Master 3
353	Shuppet	Dozing	Bluk Berry	Basic 1
354	Banette	Dozing	Bluk Berry	Great 3
403	Shinx	Snoozing	Grepa Berry	Basic 1
404	Luxio	Snoozing	Grepa Berry	Great 1
405	Luxray	Snoozing	Grepa Berry	Master 1
425	Drifloon	Dozing	Bluk Berry	TBD
426	Drifblim	Dozing	Bluk Berry	TBD
439	Mime Jr.	Slumbering	Mago Berry	Basic 1
462	Magnezone	Slumbering	Belue Berry	Ultra 5
702	Dedenne	Snoozing	Grepa Berry	Basic 5
736	Grubbin	Dozing	Lum Berry	Basic 1
737	Charjabug	Dozing	Lum Berry	Great 1
738	Vikavolt	Dozing	Lum Berry	Master 4
778	Mimikyu	Dozing	Bluk Berry	TBD
906	Sprigatito	Dozing	Durin Berry	Basic 1
907	Floragato	Dozing	Durin Berry	Basic 5
908	Meowscarada	Dozing	Wiki Berry	Ultra 5
909	Fuecoco	Snoozing	Leppa Berry	Basic 1
910	Crocalor	Snoozing	Leppa Berry	Basic 5
911	Skeledirge	Dozing	Bluk Berry	Ultra 5
912	Quaxly	Slumbering	Oran Berry	Basic 1
913	Quaxwell	Slumbering	Oran Berry	Basic 5
914	Quaquaval	Slumbering	Cheri Berry	Ultra 5
921	Pawmi	Snoozing	Grepa Berry	TBD
922	Pawmo	Snoozing	Grepa Berry	TBD
923	Pawmot	Snoozing	Grepa Berry	TBD

All Pokemon in the Pokedex

Old Gold Power Plant Snorlax Ratings

Snorlax Ratings
Basic	Great	Ultra	Master

Basic

Rating	Snorlax Strength Required
Basic 1	0
Basic 2	20,142
Basic 3	46,326
Basic 4	75,531
Basic 5	110,779

Great

Rating	Snorlax Strength Required
Great 1	151,061
Great 2	203,429
Great 3	266,875
Great 4	342,406
Great 5	423,979

Ultra

Rating	Snorlax Strength Required
Ultra 1	511,595
Ultra 2	604,246
Ultra 3	704,953
Ultra 4	810,696
Ultra 5	921,725

Master

Rating	Snorlax Strength Required
Master 1	1,038,306
Master 2	1,160,717
Master 3	1,289,248
Master 4	1,431,702
Master 5	1,582,395
Master 6	1,741,777
Master 7	1,910,321
Master 8	2,088,527
Master 9	2,276,921
Master 10	2,476,059
Master 11	2,686,523
Master 12	2,908,932
Master 13	3,143,935
Master 14	3,442,846
Master 15	3,744,954
Master 16	4,086,475
Master 17	4,451,914
Master 18	4,909,073
Master 19	5,472,793
Master 20	6,674,166

Snorlax Strength and Ratings Guide

Pokemon Sleep Related Guides

List of All Research Areas

Research Area Dex

Research Area Dex
Greengrass Isle	Cyan Beach
Taupe Hollow	Snowdrop Tundra
Lapis Lakeside	Old Gold Power Plant