Thermosolar plant
The stronger power plant: it delivers considerably more energy per level than fusion, but burns spice every hour.

The Thermosolar plant is built from metal, kryptonite and spice and requires Energy technology level 4 and your Spice mine at level 6. Per level it delivers noticeably more energy than the Fusion plant, and it's cheap to build. The catch is in the column next to it: it consumes spice continuously, and the consumption grows with every level.
It pays off most on cold planets with strong spice production: there your Spice mine easily covers the consumption, and you save yourself expensive fusion plant levels. If you have energy to spare, lower its slider on the Economy page to save spice.
Background
In the Thermosolar plant the energy content of Spice is utilised. In the plants confined space a little sun is generated, from which energy is harvested in close proximity. Maintenance of the size of this sun requires a constant supply of spice.
Levels at a glance
| Level | Metal | Kryptonite | Spice | Build time | Spice used / hour | Energy |
|---|---|---|---|---|---|---|
| 1 | 120 | 25 | 80 | 13 s | 2 | +16 |
| 2 | 182 | 38 | 121 | 19 s | 5 | +37 |
| 3 | 274 | 58 | 183 | 29 s | 9 | +63 |
| 4 | 414 | 87 | 276 | 44 s | 13 | +97 |
| 5 | 624 | 130 | 416 | 1 min 6 s | 20 | +140 |
| 6 | 943 | 197 | 629 | 1 min 41 s | 27 | +194 |
| 7 | 1,423 | 297 | 949 | 2 min 32 s | 37 | +260 |
| 8 | 2,148 | 448 | 1,432 | 3 min 49 s | 48 | +342 |
| 9 | 3,244 | 676 | 2,163 | 5 min 45 s | 63 | +443 |
| 10 | 4,898 | 1,021 | 3,265 | 8 min 42 s | 80 | +566 |
| 11 | 7,396 | 1,541 | 4,931 | 13 min 8 s | 102 | +716 |
| 12 | 11,167 | 2,327 | 7,445 | 19 min 49 s | 128 | +898 |
| 13 | 16,862 | 3,513 | 11,242 | 29 min 56 s | 159 | +1,119 |
| 14 | 25,462 | 5,305 | 16,975 | 45 min 11 s | 198 | +1,386 |
| 15 | 38,447 | 8,010 | 25,632 | 1 h 8 min | 244 | +1,708 |
| 16 | 58,055 | 12,095 | 38,703 | 1 h 43 min | 299 | +2,096 |
| 17 | 87,663 | 18,263 | 58,442 | 2 h 35 min | 365 | +2,561 |
| 18 | 132,370 | 27,578 | 88,247 | 3 h 54 min | 445 | +3,118 |
| 19 | 199,879 | 41,642 | 133,253 | 5 h 54 min | 540 | +3,785 |
| 20 | 301,817 | 62,879 | 201,212 | 8 h 55 min | 654 | +4,582 |
| 21 | 455,744 | 94,947 | 303,829 | 13 h 28 min | 790 | +5,533 |
| 22 | 688,173 | 143,370 | 458,782 | 20 h 21 min | 952 | +6,666 |
| 23 | 1,039,141 | 216,488 | 692,761 | 1 d 6 h 44 min | 1,145 | +8,015 |
| 24 | 1,569,102 | 326,897 | 1,046,068 | 1 d 22 h 24 min | 1,374 | +9,618 |
| 25 | 2,369,344 | 493,614 | 1,579,563 | 2 d 22 h 4 min | 1,645 | +11,521 |
| 26 | 3,577,709 | 745,356 | 2,385,139 | 4 d 9 h 49 min | 1,968 | +13,779 |
| 27 | 5,402,340 | 1,125,488 | 3,601,560 | 6 d 15 h 47 min | 2,350 | +16,456 |
| 28 | 8,157,533 | 1,699,486 | 5,438,356 | 10 d 1 h | 2,803 | +19,625 |
| 29 | 12,317,875 | 2,566,224 | 8,211,917 | 15 d 4 h | 3,339 | +23,375 |
| 30 | 18,599,991 | 3,874,998 | 12,399,994 | 22 d 22 h | 3,972 | +27,808 |
| 31 | 28,085,986 | 5,851,247 | 18,723,991 | 34 d 14 h | 4,720 | +33,046 |
| 32 | 42,409,838 | 8,835,383 | 28,273,226 | 52 d 6 h | 5,604 | +39,229 |
| 33 | 64,038,856 | 13,341,429 | 42,692,571 | 78 d 22 h | 6,646 | +46,523 |
| 34 | 96,698,672 | 20,145,557 | 64,465,781 | 119 d 4 h | 7,874 | +55,123 |
| 35 | 146,014,994 | 30,419,791 | 97,343,330 | 179 d 22 h | 9,322 | +65,256 |
| 36 | 220,482,641 | 45,933,884 | 146,988,427 | 271 d 17 h | 11,026 | +77,188 |
| 37 | 332,928,788 | 69,360,164 | 221,952,525 | 410 d 7 h | 13,033 | +91,232 |
| 38 | 502,722,469 | 104,733,848 | 335,148,313 | 619 d 13 h | 15,393 | +107,753 |
| 39 | 759,110,928 | 158,148,110 | 506,073,952 | 935 d 13 h | 18,168 | +127,176 |
| 40 | 1.15 B | 238,803,646 | 764,171,668 | 1,412 d 16 h | 21,429 | +150,003 |
| 41 | 1.73 B | 360,593,506 | 1.15 B | 2,133 d 3 h | 25,259 | +176,816 |
| 42 | 2.61 B | 544,496,194 | 1.74 B | 3,221 d 1 h | 29,756 | +208,298 |
| 43 | 3.95 B | 822,189,252 | 2.63 B | 4,863 d 18 h | 35,035 | +245,246 |
| 44 | 5.96 B | 1.24 B | 3.97 B | 7,344 d 7 h | 41,227 | +288,592 |
| 45 | 9.00 B | 1.87 B | 6.00 B | 11,089 d 21 h | 48,489 | +339,424 |
| 46 | 13.59 B | 2.83 B | 9.06 B | 16,745 d 17 h | 57,001 | +399,012 |
| 47 | 20.52 B | 4.27 B | 13.68 B | 25,286 d 1 h | 66,977 | +468,839 |
| 48 | 30.98 B | 6.45 B | 20.65 B | 38,181 d 22 h | 78,662 | +550,637 |
| 49 | 46.78 B | 9.75 B | 31.19 B | 57,654 d 17 h | 92,346 | +646,425 |
| 50 | 70.64 B | 14.72 B | 47.09 B | 87,058 d 15 h | 108,365 | +758,560 |
| 51 | 106.67 B | 22.22 B | 71.11 B | 131,458 d 14 h | 127,113 | +889,791 |
| 52 | 161.07 B | 33.56 B | 107.38 B | 198,502 d 11 h | 149,046 | +1,043,323 |
| 53 | 243.21 B | 50.67 B | 162.14 B | 299,738 d 17 h | 174,699 | +1,222,895 |
| 54 | 367.25 B | 76.51 B | 244.83 B | 452,605 d 11 h | 204,694 | +1,432,864 |
| 55 | 554.54 B | 115.53 B | 369.70 B | 683,434 d 6 h | 239,758 | +1,678,309 |
| 56 | 837.36 B | 174.45 B | 558.24 B | 1,031,985 d 17 h | 280,735 | +1,965,147 |
| 57 | 1.26 T | 263.42 B | 842.94 B | 1,558,298 d 10 h | 328,610 | +2,300,275 |
| 58 | 1.91 T | 397.76 B | 1.27 T | 2,353,030 d 15 h | 384,532 | +2,691,725 |
| 59 | 2.88 T | 600.62 B | 1.92 T | 3,553,076 d 6 h | 449,836 | +3,148,854 |
| 60 | 4.35 T | 906.94 B | 2.90 T | 5,365,145 d 4 h | 526,079 | +3,682,558 |
| 61 | 6.57 T | 1.37 T | 4.38 T | 8,101,369 d 5 h | 615,075 | +4,305,525 |
| 62 | 9.93 T | 2.07 T | 6.62 T | 12,233,067 d 12 h | 718,931 | +5,032,523 |
| 63 | 14.99 T | 3.12 T | 9.99 T | 18,471,931 d 23 h | 840,106 | +5,880,747 |
| 64 | 22.63 T | 4.72 T | 15.09 T | 27,892,617 d 6 h | 981,458 | +6,870,206 |
| 65 | 34.17 T | 7.12 T | 22.78 T | 42,117,852 d 2 h | 1,146,312 | +8,024,186 |
| 66 | 51.60 T | 10.75 T | 34.40 T | 63,597,956 d 16 h | 1,338,540 | +9,369,780 |
| 67 | 77.92 T | 16.23 T | 51.95 T | 96,032,914 d 13 h | 1,562,644 | +10,938,509 |
| 68 | 117.66 T | 24.51 T | 78.44 T | 145,009,701 d | 1,823,862 | +12,767,036 |
| 69 | 177.67 T | 37.01 T | 118.45 T | 218,964,648 d 12 h | 2,128,286 | +14,898,004 |
| 70 | 268.28 T | 55.89 T | 178.85 T | 330,636,619 d 6 h | 2,483,000 | +17,381,005 |
| 71 | 405.10 T | 84.40 T | 270.07 T | 499,261,295 d 2 h | 2,896,243 | +20,273,701 |
| 72 | 611.71 T | 127.44 T | 407.81 T | 753,884,555 d 13 h | 3,377,590 | +23,643,133 |
| 73 | 923.68 T | 192.43 T | 615.79 T | 1,138,365,678 d 22 h | 3,938,176 | +27,567,237 |
| 74 | 1.39 Qa | 290.57 T | 929.84 T | 1,718,932,175 d 4 h | 4,590,943 | +32,136,601 |
| 75 | 2.11 Qa | 438.77 T | 1.40 Qa | 2,595,587,584 d 12 h | 5,350,930 | +37,456,511 |
| 76 | 3.18 Qa | 662.54 T | 2.12 Qa | 3,919,337,252 d 15 h | 6,235,617 | +43,649,321 |
| 77 | 4.80 Qa | 1.00 Qa | 3.20 Qa | 5,918,199,251 d 11 h | 7,265,314 | +50,857,202 |
| 78 | 7.25 Qa | 1.51 Qa | 4.83 Qa | 8,936,480,869 d 17 h | 8,463,619 | +59,245,338 |
| 79 | 10.95 Qa | 2.28 Qa | 7.30 Qa | 13,494,086,113 d 6 h | 9,857,946 | +69,005,628 |
| 80 | 16.53 Qa | 3.44 Qa | 11.02 Qa | 20,376,070,031 d | 11,480,140 | +80,360,984 |
Values without speed-up and assistants. Costs are for upgrading to the given level. Set your development center and microsystem accelerator above and the build times adjust.