How does Sunnyplans rank parcels for solar suitability?

Each parcel gets a SunnyScore from a model trained on the geographic features that distinguish built solar farms from unbuilt land — slope, irradiance, distance to grid infrastructure, and similar signals. Parcels are then filtered to those with at least 5 contiguous flat acres outside protected areas and wetlands, and ranked by SunnyScore.

What does "qualifying parcel" mean in Douglas County, Washington?

A qualifying parcel has at least 5 contiguous flat acres (slope under 5%) and no overlap with federal protected areas or mapped wetlands. 29 of 47 parcels in Douglas County, Washington currently meet that bar.

Solar Land for Sale in Douglas County, Washington

29 of 47 solar-suitable land parcels in Douglas County, Washington. Flat 5+ acres, no protected areas, no wetlands. Ranked by SunnyScore.

Open the live map →

qualifying parcels of 47 total

0.50

top SunnyScore in Douglas County, Washington

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distillate 3 (pending model explainability)

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distillate 4 (pending model explainability)

Interactive map Explore 29 qualifying parcels in Douglas County, Washington Layer-first filtering · SunnyScore ranking · constraint overlays

Top 25 parcels by SunnyScore

#	Acres	$/acre	List price	City	ZIP	SunnyScore
1	8.3	$59,843	$495,878	East Wenatchee	98802	0.50
2	10.2	$109,866	$1,121,352	East Wenatchee	98802	0.40
3	41.9	$1,090	$45,705	Coulee City	99115	0.27
4	7.1	$11,985	$84,923	East Wenatchee	98802	0.26
5	4.5	$10,913	$48,757	Ephrata	98823	0.24
6	10.2	$348,230	$3,556,598	East Wenatchee	98802	0.23
7	6.1	$206,625	$1,255,269	East Wenatchee	98802	0.21
8	4.5	$52,241	$233,031	Brewster	98812	0.21
9	12.6	$46,713	$588,783	East Wenatchee	98802	0.20
10	4.7	$6,223	$29,218	Ephrata	98823	0.18
11	6.4	$30,366	$195,615	Brewster	98812	0.18
12	6.7	$29,729	$198,678	Brewster	98812	0.17
13	7.2	$16,073	$115,727	Palisades	98845	0.17
14	2.9	$9,912	$28,747	Ephrata	98823	0.17
15	18.0	$6,494	$116,904	Orondo	98843	0.16
16	25.1	$4,173	$104,804	East Wenatchee	98802	0.16
17	4.9	$30,674	$150,423	Brewster	98812	0.14
18	12.1	$57,171	$694,154	East Wenatchee	98802	0.13
19	14.4	$27,238	$391,860	East Wenatchee	98802	0.13
20	16.6	$12,758	$211,148	East Wenatchee	98802	0.13
21	22.7	$7,807	$177,557	Waterville	98858	0.12
22	14.7	$12,661	$185,813	Waterville	98858	0.11
23	5.2	$61,075	$319,143	East Wenatchee	98802	0.09
24	5.5	$90,334	$494,488	East Wenatchee	98802	0.09
25	5.8	$10,426	$60,184	Orondo	98843	0.09

View all 29 qualifying parcels in the live map →

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