Oxygen Not Included >. A LOT of steel for bunker doors, some more steel for machinery like robo-miners, some glass for solar panels and a lot of metal ores for mesh tiles and wires. Rule of thumb, select a building and then select an item in it (i. They aren't a short term solution. [Oxygen Not Included] - General Discussion ; Power grid layout Theme **Hot Lava** **Mark of the Ninja** **Invisible, Inc. However feel free to search for mods that will. The vent sits in the middle of a large box with two chimneys. This is bad, because every other day they miss the morale boost from the food and the mess hall/great hall. Solar panels are just "use it or lose it" and leaving generators on is for when you have the literal problem of needing to delete fuel as fast as you can produce it. Date Posted: Aug 15, 2021 @ 12:37pm. It's not *that* much to. . Inside the spacefarer module: connect the gas pipe to your rocket's gas input port - the white one. So, lone segment of radiant pipe is really helped, because radiant pipe cooling steam. #4 < > Showing 1-4 of 4 comments . All you need is a decent supply of polluted water or something else that can provide polluted oxygen. Solar Panel Modules now partially block light while grounded. Oxygen Not Included [Oxygen Not Included] - Suggestions and Feedback [Oxygen Not Included: Spaced Out!] - Suggestions and Feedback. Currently they are 7x3, so increasing the width to 9 or 11 would make it so you can fit less of them (And of course reduce the Lux per tile required for full power since. Oxygen Not Included > General Discussions > Topic Details. If positive signal received, then meteror shower is in minimum (200-X) and. The door takes 44 seconds to open and 39 seconds. I’ve found the problem. 20Ts of oxylite lasts forever. HerbertisBestBert • 2 yr. That initial supply of air runs out fast, especially if you have any Mouth Breathers among your duplicants. If no microchips are available, duplicants will use the station to manufacture one. While playing around with the solar panels I noticed that the animations don't always represent the current state of the machine. Duplicants will release some amount of rads when using the toilet. Oxygen Not Included > General Discussions > Topic Details. A look at 3 different implementations of dirty bricks. Contaminated materials will release Radiation at the rate of 1 Rad per Cycle per 1000 Contaminants. And this is now already coupled with the reduce of rock meteor mass to 50%, ultimately resulting in 12,5% of before the update. ago. out a solar panel (unlike vanilla, where sunlight is twice as bright and does max. They don't bock light, telescope view or scanner reception. Oxygen Not Included - Language PacksAbout the GameIn the space-colony simulation game Oxygen Not Included you’ll find that scarcities of oxygen, warmth and sustenance are constant threats to your colony's survival. Or a hot debris was. A Screenshot of Oxygen Not Included. 3. On 7/1/2018 at 7:27 AM, SamLogan said: Because Klei don't want we use massive Shine Bug population to light the Solar Panel. Then you connect the battery to the generators, signalling it to activate only when power is needed. Conduction panel. Disabling the transformers will. Solar pannels are weak. Use simple conective wires to connect the Solar panels to a Large Transformer (4 panels for Transformer, so I don´t overload the wires), and then conect the transfomers to the Heavy watt wires. On his build, each 120w robo miner will take care of any regolith within their 8 tile range. Like Bunker Tiles, it does not take any damage from meteors, so it can be used to protect the surface against Meteor Showers using a Meteor Scanner. Yes, I checked that, but it is not quite up to date anymore - and I did not see a hint about door to scanner distance AFIK doors are not considered machinery. Jun 8, 2018 @ 6:17am Originally posted by St_Minorto: this. To conclude:. If you disable generator when battery is 100% it might still produce some power in a same game frame - but there is nowhere to put that power, because battery is already full. I had spaced the scanners out slightly more than necessary just to neatly fit 2 panels between each but seems that wasn't necessary then. I find myself thinking about in a nuanced way, clearly we could. - Auto dig the regolith montain above the solar panel that are protect by windows tiles. Both approaches to dealing with meteor showers will require cooling. By optimal I mean it should: Maximise uptime of the solar panels. A mechanical filter is a type of designs allowing to filter out gases and liquids via their mechanical behavior instead of specialized buildings. 1). Only Bunker Door, Bunker Tile, and Rockets will not take damage. Yes max efficiency is above what the solar panel can produce, so partially exposed solar panels stacked on top of each other are best. Additionally, to decrease the regolith even more: Loose Regolth will merge with. The door takes 44 seconds to open and 39 seconds. I prefer a gap of 4 tiles cuz it might be sometimes buggy, when you close and open the steel door, and it looks more spacious you can later build something on it easily (compactors. Originally posted by ewpayne: Oxygen Not Included. Thankfully, cooling in the vacuum of space has been made much easier with something called the conduction panel. Reason for this is, that door-compression moves a percentage of the stored gas, so the higher the pressure the. Glass is one of the material options for the Window Tile and Aero Pot. You don't need 100% to be 100% safe from incoming things. It seems they have been currently removed (but this could be changed in another update. The Original SPOM (MK II) There are a few key moments in any Oxygen Not Included gamer's life. I think structures in space don't exchange heat with ground tiles. is a nice compact example where you can dump eggs into and let them power 3 solar panels for free infinitely. 113 is the normal temp for a solar panel that's running. This mod changes existing solar panels, it does not add a new type of solar panel. instead of summing the total power produced then capping it to 380 watts, instead cap the power per tile to (380/7. It was last updated for RP-381414. If you cue up a wire to be built in it and the materials get placed but not built it can exchange heat with surroundings. This thread is archived New comments cannot be posted and votes cannot be cast Related Topics Oxygen. Glass: 200 Kg. For the coal generator that's middle bottom tile, for the loader it's the tile with the rail output. By: Clonefarmer. Looks like a fix to glass cooling down while still inside the glass forge. How it should look: The middle part of the panel is supposed to overlap the background building it is meant to exchange heat with. All you need is a decent supply of polluted water or something else that can provide polluted oxygen. While sweeper and miner are not heavy machinery solar panels are, so make sure you have 14 tiles from scanner center to closest panel. Cracking crude into Nat Gas. The second is variable sunlight intensity per world. Oxygen Not Included [Oxygen Not Included] - General Discussion [Oxygen Not Included: Spaced Out!] - General Discussion. The first is a third Classic Cluster option: a large-sized Swamp Start so you can now play with the new biomes and critters on a larger world. 1) Bunkers don’t really have Auto, since dupes don’t walk through them. Ethanol distiller takes 1000g/s lumber to process 500g/s ethanol. combining smart batteries with coal/gas/petroleum generators. Oxygen Not Included. yeah, im a little bummed out about this i guess, i just started doing a lot of work. Oxygen Not Included [Oxygen Not Included] - General Discussion ;. 67 kLux then it does better because not only does the top one get peak production, lower modules and even the solar panel below might. Solar intensity will be lower on your inner start than at the outer edges. Attributes of this base: 12 dupes (0 deaths) 50+ morale 24/7 Infinite food (burgers, surf & turf, berry sludge, you name it) Infinite oxygen Infinite power (through solar and backup power) Precise temperature controlsConnect the Coal Generator and Smart Battery with power wires and automation wires. Very easy, productive, "set and forget" pacu farm I made. Rockets in the Spaced Out DLC are multi-component constructs used to explore starmap, and send duplicants and cargo to different planetoids. To conclude:. Light, which may cause stress increase and Sunburns after prolonged intensive exposure, but can be harvested with Solar Panels. Solar panel foundations will no longer by destroyed by Duplicant Breath or off gassing tiles like Oxylite Fixed random solid tile destruction (Mafic rock in. Using this approach we were able to fit 10 full power solar panels in a space only 47 tiles wide. Use mesh tiles instead. 1 / 4. solar panel is 4 tiles high and bottom of it is considered a tile since dupes can run on it, that would leave you 3 tiles of space, just dumping the eggs in there will be more than enough to reach max power imo. (For point of reference, this screen cap was taken at the time of day when the panels reach 380W. When Solar Panel Modules are grounded, they’ll partially block light. Come learn how to play Oxygen Not Included's new DLC with me!If you want to follow along and help me out, my map seed is: SWMP-C-1139677957-0Check out the pl. That being said, there are many sustainable methods, from Steam power to Natural gas, solar, hydrogen, etc. The light panel background tile is insane for decor and huge for rocketry since they don’t take up space. Changes and Improvements All versions Changed idle diagnostic to display quicker after a Duplicant becomes idle. Getting a proper space setup is not easy, I will answer your questions and later point to good video for additional input. Join. Conduction panel is a building that exchanges heat with overlapping buildings even in a vacuum. 3. ago. Part 1: Capacity: how much weight can be stored inside the building. 1 / 6. Oxygen Not Included. Hope you enjoy. Low efficiency of solar panel. Coal Generator produces power when supplied with Coal. e. CryptoOxygen Not Included [Oxygen Not Included] - Suggestions and Feedback ; Disconnect Pipes, Vents and Wires Disconnect Pipes, Vents and Wires. Nobody is forcing to use all that. 2. Idk as either way is bad, but option 1 seems much simpler without much loss in battery capacity. Surprisingly power generation above 2kw won't break the wires, only the draw, and I don't think. Glass is one of the material options for the Window Tile and Aero Pot. When I was testing, a completely unblocked panel reached 380W only 10 seconds or so before a panel with 1 tile blocked. On 12/6/2018 at 6:47 AM, chemie said: yes, store petroleum, nat gas, and even coal vs storing energy in batteries. Oil is available on second planet. This is by design in Spaced Out, different planetoids now have different levels of sunlight. Jumbos are also good for localized power sources when you need to drain water pits or for. I only ran the electrolyzers when solar power was high and then stored the hydrogen in tanks (which has around 15 times the storage capacity of Smart Batteries per tile) for power on demand. For steam power, it depends on how consistent my heat generation is. 3) Make the Solar Panels wider. "Truth and honesty" is our administration ideal for Oxygen Not Included Solar Panel, 20kw Pure Sine Wave Inverter , Lead Sulfuric Acid Battery , Lead Acid Battery Lithium Ion , 2kva Pure Sine Wave Inverter . By: monotrom. I started on desolands, and am currently exposed to space. No. You need to build them in pressurized area or come up with some kind of cooling technique. I think your transformers are limiting your battery recharging speed because they are positioned on the low side. • 1 yr. 10 It's Getting Hard To Breathe! Appropriately enough, one of the first problems players face in Oxygen Not Included is. Features. #1. One for each power source, except for solar. 20Ts of oxylite lasts forever. Oxygen Not Included. Coal you can sometimes get further out from the start towards the edges. Meteors damage any building they pass through until they hit a solid tile. Map seeds. ago. With 20,000 peak lux, which is I believe the standard on most starting asteroids, one solar panel will provide enough power to make oxygen for 1. It looks kinda inefficiency, can the solar panel. For solar, I usually do 20-30 batteries. Sorry but I will not respond to you in any way as I will only call you an idiot for not reading anything I said. All Activity. Want more guides? ️Playlist: Voles are a garbage dump for your Regolith, as we. not sure how long it would take tho. Space, Solar Panels & Meteor Protection! | Oxygen Not Included LAUNCH UPGRADE #32 [Let's Play] with GamingOnCaffeine★Subscribe for daily gaming videos: The Power Control Station consumes no power but requires duplicant operation. Glass is required to build the Sun Lamp and. They are also generally superior to Metal Tiles - only Cobalt, Aluminum, and Thermium offer greater Thermal Conductivity,. 1. Per page: 15 30 50. **I explore how to set up Solar Panels, Radars, Telescopes, and just about anything that needs to have light from space in Oxygen Not Included. 5 - 1. Here's what it does : - Open / close the bunker door according to the meteor rain status. if you ranch shine bugs with 2 ranches, it shouldnt take. Surprisingly power generation above 2kw won't break the wires, only the draw, and I don't think. this video I show you the TOP 5 Mistakes that a new player makes when playing. Mar 11, 2019 @ 9:49am Thanks for the ideas, I'll try it out. My guess is a hot wire. Don't know if solar was buffed but I am using pyramid and it works as advertised. Combined with a bunch of autosweepers, robominers and bunkerdoors you should be pretty ok. Community content is available under CC-BY-SA unless otherwise noted. Oxygen Not Included. . Each panel deconstructs for 400Kg, enough for 2 solar panels. Hope you enjoy!:)Oxygen Not Included is a space colony. Por página: 15 30 50. Coal. All Activity. Per page: 15 30 50. Other people, not me. 0:00 - Intro0:32 - Meteor Types - Du. . (both Panels and Modules cost 200 kg, and modules. ETA: Okay so, the best solution I've found is to install bunker doors to protect the solar panels, then manually dig out the mess after the shower is over before opening the doors. The Power Control Station consumes no power but requires duplicant operation. This tutorial bite for Oxygen Not Included covers everything about meteor showers and how to protect your base from them. what's the trick to these things?The solar panels just need to be exposed to light and protected from rocket exhaust. Building Material. Space Cooling. Producing light, however, can increase Duplicant workspeed at certain workstations, improve the decor of wherever it shines, and cause specific plants to grow. 1,000 kg of glass produced the same amount of power as 1,600 kg of glass, a huge difference considering the amount of extra metal it takes to wire the extra panels. Oxygen Not Included [Oxygen Not Included] - General Discussion ; ONI Meteorology ONI Meteorology. I hope it's clear that this isn't necessarily an optimal solar power setup. Solar panel efficiency is determined by two main factors; Total Panel Efficiency: Total panel efficiency, based on the cell layout, configuration and panel size. A power spin should be used in this case. Space exposure, which removes 100 kg of liquid per second and 100 g of gas per second, creating Vacuum. coal generator -> contents -> coal), a pointer will pop up. To do this, you have to provide. Posted May 16, 2018. This article is a stub. Oxygen Not Included HowTo - setup your solar panels for maximum power. Once the shower is over, the doors open again, and the regolith and other junk that came down falls onto the airflow/window tiles, gets mined by the. If you have more lux hitting the solar panel then the light is wasted. The doors are replaced with critter feeders to add all my corridors to the "open room". . If there isn't the left door opens. All Meteors falling also produce a lot of Carbon Dioxide, it can be harvested, but practicality is dubious. This video tutorial covers most of it and the mechanics involved. 480 W for 4 scanners (2 meteors, 2 rockets) 120 W for the telescope. Basic buildings only require the appropriate resources to be built. A vole takes 4 cycles to incubate, 5 cycles to mature, and 6 cycles to produce an egg. Heat is mitigated by a drop of petrol (for heat exchange) on a drywall and a cooling loop. I usually have 3 atmo docks, and a regular gas pump to power in the space farer module so the 120W from the solar panel modules won't be able. I have a term I use a lot in this game that I call "The Thermium Problem" to describe the resource gatekeeping paradox this game throws up a lot. By lurkinglurker, May 16, 2018 in [Oxygen Not Included] - Suggestions and Feedback. This thread is archived New comments cannot be posted and votes cannot be cast Related Topics Oxygen. It uses 5 kg of Refined Metal per microchip. I explore how to set up Solar Panels, Radars, Telescopes, and just about anything that needs to have light from space in Oxygen Not Included. So it is just wasted. Absolutely . ago. Except for carbon dioxide and radbolt engines, rocket engines produce power while in flight, meaning they don't need solar panels. . #8. The input and output fittings from the rocketry tab go inside the rocket capsule interior to access the storage/power of the rocket there. ago Have bunker doors at the top, a layer of mesh tiles a few tiles below, and solar panels. Members Online. Battery box tutorial below. in my setup i used 5 layer solar panels, 9 off them, it was able pump in with 1 cycle the 36. I have it built across the whole map with only a small gap for my rocket and observatory. Errands will only be queued for the station if at least one eligible generator in the Power Plant lacks the Engie's Tune-Up boost. Solar cells are the part of the 500 watt solar panel that turns sunlight to electricity. Using algae in Terrariums or Deoxydizers makes for one of the best early. . This article is a stub. Every lux can convert to 0. After the shower ends the doors will reopen and drop the regolith on the mesh tiles, where it can be dug up either manually or with auto-miners. A Screenshot of Oxygen Not Included. Shine Bugs give off light, solar panels turn light into power. Oxygen not Included: Solar Strom Anleitung | Solar Power Tutorial/Guide ONI mit SlyfoX (German / Deutsch)Oni Anleitungen - Oxygen not Included Tutorial/Guide. Moments that will forever change how you play the game. You need to. And the reason the other two are cold is the vent cools them off. All Discussions Screenshots Artwork Broadcasts Videos Workshop News Guides Reviews. Early game you can build endless solar panels if you have one weezeworth and a large enough pool of water. lurkinglurker. Showing 1 - 8 of 8 comments. That means in an atmosphere, especially a liquid layer, a radiant pipe is still more effective than a conduction panel, since the pipe type doubles the conductivity of the material used. Learn how to obtain or transform a specific material. The airflow at to keep the hot regolith from burning the panels. Solar panels do not heat up by being in sunlight last time I checked. Window Tile is made from Transparent materials. Not sure if automatic doors can be used for same 'telescope-basing' purpose, but if they can, they will be faster. In the screenshot below the panels are. Here's what it does : - Open / close the bunker door according to the meteor rain status. To avoid the 380W power limit you want "245000 / 80000 = no more than 3. < >. If you are using those as a primary power source, then you want a lot of batteries. plus with upcoming update, will be some generated resources with meteor showers, and solar. When the Smart Battery charge falls below 50%, it will send out a Green Signal to enable the Coal Generator. Second, I never said there were 30 in the room. . But yeah I feel since they added the meteors Solars cells are kindof no-goThe purpose of the doors is to delete regolith, which otherwise will block light from your solar panels. I built the solar panel module on it hoping to replace manual generator to power an oxygen diffuser during flight. This is due to each solar panel generates power based on the number of lux it absorbs up to the maximum 380W, and since peak sunlight is a lot more intense than a fully exposed solar panel needs,. The conduction panel is not meant to replace radiant pipes where they already work, but can instead be used in situations where radiant pipes would do nothing. How it should look: The middle part of the panel is supposed to overlap the background building it is meant to exchange heat with. It is a dumb mechanism though, especially considering the "shadow effect" on real life solar arrays that destroys efficiency when partially shaded, a solar panel at very least should have the peak power calculated per tile, i. (both Panels and Modules cost 200 kg, and modules. This hotfix is focused on fixing some issues in the Packed Snacks update. Third: a storage bin with Oxylite that placed on the floor of your rocket. Oxygen Not. 1 / 4. I thought there for a second that they added a power sources that would actually be usefull, but after messing around with it for hours I've come to the conclusion that its just another useless object. Properties. 2400 W for 20 bunker doors (16 scanner/solar, 4 rocket silos) 960 W for 8 autominers. Glass is a Manufactured Material. Spaced Out - Even post-nerf, Solar is overpowered! Quite a bit more expensive to build than before, but each solar tower produces 1680w max, with about a 60% overall power production over the cycle, on he starting system, post nerf. The sweeper/dupe must be able to reach the tile the pointer is in. Been active for more than a thousand cycles. as Solar Panel does not seem to set Sim. Use the 2kw conductive wire across all the solar panels and connect the single wire to multiple transformers, which output into the main grid with the large wire. With the additi. monotrom Dec 9, 2021 @ 4:30am. As little as 10 g/s seems to be effective. The batteries (and solar panels and/or hamster wheels) are on the high side and the low side is connected to your power grid. Modules are added in its menu once they have been researched. The conduction panel got some upgrades in the last update!Mods:music: When Johnny. Jumbo batteries can store more, but will not because of that you need a smart battery to control the energy waste. . . 8 kg (can't remember exactly) the vent is overpressurized and stops working until the pressure outside is dropping again. You may notice a skippable. It doesn't get loaded when automation grid is off. So it is just wasted. Have the devs changed something or is the current version bugged? I placed the out in vacuum where the lux. Part 2 of the industrial brick tutorials. You need to control open and close via automation. Maybe). But I cannot figure out how to connect the solar module output to the diffuser in the nosecone. Solar panels. Building Material. One battery per fuel type until you start messing with solar and, to a lesser extent, steam power. I've still never figured out how to generate a whole bunch of power on the tundra asteroid aside from space-lifting 20 tonnes of coal at a time. Moreover, It depends on your criteria: If your criteria is to harvest maximum - using tracker is the best. When grounded, the module acts similarly to a Solar Panel, with its power output depending. 1 / 4. It's not truly sustainable, but it will last for quite a while, especially with some exploits. 2400 W for 20 bunker doors (16 scanner/solar, 4 rocket silos) 960 W for 8 autominers. I tried to build 4 solar panel + a power control station in a room (it is indeed recognized as power plant room. If your glass takes 3KW/cycles to make, that one panel will pay back it's energy requirements in 30 cycles -- and it really shouldn't take a full cycle to make the glass for a single solar panel. From there, it is up to you to ensure their survival. Hello everyone!Today, we're making our first glass with a forge in order to set up some solar panels. Shame Apr 28, 2021 @ 6:27am. Solar panel still produce 380W even if only 5 tiles have light. A tip in a different category: that you might not know, hydrogen generator is not disallowed for the super sustainable, so you can make quite a bit of power by making oxygen via a SPOM. **Community for the space-colony simulation game Oxygen Not Included, developed by Klei. This article has not been revised for the current version ( U47-562984 ). Explore all the Oni element, building, plant, seed, critter, egg and food. Unreflected changes in the discussed game mechanics are detailed here: EX1-455425 • U38-486708. Use a space scanner to close the doors when a meteor shower is detected. Unlike normal tiles, they allow Light and Decor to pass through. There’s a lot of goals to take pleasure in from this point, some include:. Interesting note: None of the tiles block exactly 10% of. Instead of chanelling the 1500 or so. #4. I just setup a quick test. Window Tiles block ~10% of the Lux that passes through them. My previous 1500+ cycle base was consuming ~4000kJ per cycle. You would want only 1 smart battery per each of those energy sources (meaning that if you only have gas you should just have 1 battery). Diamond Window Tiles are one of the best ways to transfer heat, and 8 times more resource-efficient than Tempshift Plates. Youll get an average of around 200 watts per solar panel, but it's highly intermittent between night and Meteor showers. Magma volcanos, hydrogen vents, excess power from passively-cooled metal volcanos, high-heat steam vents, solar, etc. g. The "Basics" Series is a group of tutorial videos for beginner concepts in Oxygen Not. These special types of cells can be bought. Tame fish will also maintain their population. You'd put batteries on the solar panel side of the transformer and they'll only accept solar power. make sure the pipes occupy the same tile. or one of everything. Contaminates can only be created by a Research Reactor, the Radbolt Engine, or a Radbolts passing through a medium. Community for the space-colony simulation game Oxygen Not Included, developed by Klei. Nat Gas @60%. On my seed all I had was a 30 degree polluted water geyser (at about 2300 g/s considering all dormacy). Contaminants. Originally posted by caseyas435943: Getting 100% is kind of a waste of time. 480 W for 4 scanners (2 meteors, 2 rockets) 120 W for the telescope. You can partially stack solar panels to get more power, only 5 of the 7 tiles need to receive light for the full output #10 < > Mostrando 1-10 de 10 comentarios . The grooming station is rarely used, because the priority is set so low that my duplicants will just groom if everything except "casual storage tasks. A Screenshot of Oxygen Not Included. You shouldn't still be on coal if you've reached space. It's all about the water. Oxygen Not Included ; Solar panel animations Followers 0. Here's another solar panel setup that I've created. I use the vented gas to cool the autominers. With 20 solar panels that gives you a maximum of 7600w. 548 upvotes · 71 comments. "Solar panels convert high intensity sunlight into power and produce zero waste. I would suggest: Door, 4+ tiles, glass, detector, some gap, solar. The more light it receives, the more power it generates. It will more than likely overload this circuit. Those patterns tend to work passively, rely on no power at all, but their efficiency might vary depending on situation. Oxygen Not Included Survival game Gaming 72 comments Best MaySeemelater • 1 yr. • 18 days ago. you may need about 200 bugs maybe idk. Kinda new to the game but I was proud of this. ago You don't really need to use much or even any power power while the rocket is in flight. Building the module stack taller is an exercise in diminishing returns, as each module slightly shadows the one beneath. 2. . MoarVespenegas • 4 yr. It can be paired with the Beach Chair to improve the morale bonus from the beach chair. The 2 solar panels are for when landing on other asteroids. Oxygen Not Included. Has anyone ever tried to connect solar panels to the main grid to get some extra power out of them? it doesnt seem to work even though the main grid is idle and little power consumed while the solar panels at maximum capacity. Critters have very little space to move (Improving FPS) , and new critters are added to the ranch using my 'Mechanical Incubation and Delivery System'. It may contain inaccuracies. thanks for the replied guys. The Green automation signal will persist through the entirety of a meteor shower (or until the rocket has fully landed), even if the Space Scanner loses line of sight to the. Learn how to obtain or transform a specific material. But it's worth noting that modules are strictly worse in terms of W/glass, and get progressively worse as you stack more. You'd put batteries on the solar panel side of the transformer and they'll only accept solar power.